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Wang J, Zhu YF, Su Y, Guo JX, Chen S, Liu HK, Dou SX, Chou SL, Xiao Y. Routes to high-performance layered oxide cathodes for sodium-ion batteries. Chem Soc Rev 2024; 53:4230-4301. [PMID: 38477330 DOI: 10.1039/d3cs00929g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Sodium-ion batteries (SIBs) are experiencing a large-scale renaissance to supplement or replace expensive lithium-ion batteries (LIBs) and low energy density lead-acid batteries in electrical energy storage systems and other applications. In this case, layered oxide materials have become one of the most popular cathode candidates for SIBs because of their low cost and comparatively facile synthesis method. However, the intrinsic shortcomings of layered oxide cathodes, which severely limit their commercialization process, urgently need to be addressed. In this review, inherent challenges associated with layered oxide cathodes for SIBs, such as their irreversible multiphase transition, poor air stability, and low energy density, are systematically summarized and discussed, together with strategies to overcome these dilemmas through bulk phase modulation, surface/interface modification, functional structure manipulation, and cationic and anionic redox optimization. Emphasis is placed on investigating variations in the chemical composition and structural configuration of layered oxide cathodes and how they affect the electrochemical behavior of the cathodes to illustrate how these issues can be addressed. The summary of failure mechanisms and corresponding modification strategies of layered oxide cathodes presented herein provides a valuable reference for scientific and practical issues related to the development of SIBs.
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Affiliation(s)
- Jingqiang Wang
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Wenzhou Key Laboratory of Sodium-Ion Batteries, Wenzhou University Technology Innovation Institute for Carbon Neutralization, Wenzhou 325035, China
| | - Yan-Fang Zhu
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Wenzhou Key Laboratory of Sodium-Ion Batteries, Wenzhou University Technology Innovation Institute for Carbon Neutralization, Wenzhou 325035, China
| | - Yu Su
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Wenzhou Key Laboratory of Sodium-Ion Batteries, Wenzhou University Technology Innovation Institute for Carbon Neutralization, Wenzhou 325035, China
| | - Jun-Xu Guo
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Wenzhou Key Laboratory of Sodium-Ion Batteries, Wenzhou University Technology Innovation Institute for Carbon Neutralization, Wenzhou 325035, China
| | - Shuangqiang Chen
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Wenzhou Key Laboratory of Sodium-Ion Batteries, Wenzhou University Technology Innovation Institute for Carbon Neutralization, Wenzhou 325035, China
| | - Hua-Kun Liu
- Institute of Energy Materials Science (IEMS), University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Shi-Xue Dou
- Institute of Energy Materials Science (IEMS), University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Shu-Lei Chou
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Wenzhou Key Laboratory of Sodium-Ion Batteries, Wenzhou University Technology Innovation Institute for Carbon Neutralization, Wenzhou 325035, China
| | - Yao Xiao
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Wenzhou Key Laboratory of Sodium-Ion Batteries, Wenzhou University Technology Innovation Institute for Carbon Neutralization, Wenzhou 325035, China
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Butt A, Jamil S, Fasehullah M, Ahmad H, Tufail MK, Sharif R, Ali G. An effective tellurium surface modification strategy to enhance the capacity and rate capability of Ni-rich LiNi 0.8Co 0.1Mn 0.1O 2 cathode material. Heliyon 2024; 10:e28039. [PMID: 38560109 PMCID: PMC10979152 DOI: 10.1016/j.heliyon.2024.e28039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 02/15/2024] [Accepted: 03/11/2024] [Indexed: 04/04/2024] Open
Abstract
LiNi0.8Co0.1Mn0.1O2 (NCM) layered oxide is contemplated as an auspicious cathode candidate for commercialized lithium-ion batteries. Regardless, the successful commercial utilization of these materials is impeded by technical issues like structural degradation and poor cyclability. Elemental doping is among the most viable strategies for enhancing electrochemical performance. Herein, the preparation of surface tellurium-doped NCM is done by utilizing the methodology solid-state route at high temperatures. Surface doping of the Te ions leads to structural stability owing to the inactivation of oxygen at the surface via the binding of slabs of transition metal-oxygen. Remarkably, 1 wt% of Te doping in NCM exhibits enhanced electrochemical characteristics with an excellent discharge capacity, i.e., 225.8 mAh/g (0.1C), improved rate-capability of 156 mAh/g (5C) with 82.2% retention in capacity (0.5C) over 100 cycles within 2.7-4.3V as compared to all other prepared electrodes. Hence, the optimal doping of Te is favorable for enhancing capacity, cyclability along with rate capability of NCM.
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Affiliation(s)
- Annam Butt
- Department of Physics, University of Engineering and Technology, Lahore, 54890, Pakistan
| | - Sidra Jamil
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Materials and Energy, Southwest University, Chongqing, 400715, PR China
| | - Muhammad Fasehullah
- State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing, 400044, PR China
| | - Haseeb Ahmad
- U.S.-Pakistan Center for Advanced Studies in Energy (USPCAS-E), National University of Science and Technology (NUST), Sector H-12, Islamabad, 44000, Pakistan
| | - Muhammad Khurram Tufail
- College of Materials Science and Engineering, College of Physics, Qingdao University, Qingdao, 266071, PR China
| | - Rehana Sharif
- Department of Physics, University of Engineering and Technology, Lahore, 54890, Pakistan
| | - Ghulam Ali
- U.S.-Pakistan Center for Advanced Studies in Energy (USPCAS-E), National University of Science and Technology (NUST), Sector H-12, Islamabad, 44000, Pakistan
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Jia Y, Zhang R, Fang C, Zheng J. Interpretable Machine Learning To Accelerate the Analysis of Doping Effect on Li/Ni Exchange in Ni-Rich Layered Oxide Cathodes. J Phys Chem Lett 2024; 15:1765-1773. [PMID: 38329073 DOI: 10.1021/acs.jpclett.3c03294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
In Ni-rich layered oxide cathodes, one effective way to adjust the performance is by introducing dopants to change the degree of Li/Ni exchange. We calculated the formation energy of Li/Ni exchange defects in LiNi0.8Mn0.1X0.1O2 with different doping elements X, using first-principles calculations. We then proposed an interpretable machine learning method combining the Random Forest (RF) model and the Shapley Additive Explanation (SHAP) analysis to accelerate identification of the key factors influencing the formation energy among the complex variables introduced by doping. The valence state of the doping element effectively regulates Li/Ni exchange defects through changing the valence state of Ni and the strength of the superexchange interaction, and COOPSU-SD and MagO were proposed as two indicators to assess superexchange interaction. The volume change also affects the Li/Ni exchange defects, with a larger volume reduction corresponding to fewer Li/Ni exchange defects.
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Affiliation(s)
- Yining Jia
- School of Advanced Materials, Peking University, Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Ruiqi Zhang
- School of Advanced Materials, Peking University, Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Chi Fang
- School of Advanced Materials, Peking University, Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Jiaxin Zheng
- School of Advanced Materials, Peking University, Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
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Reducing Ni/Li disorder and boosting electrochemical performance of LiNi0.8Co0.067Fe0.033Mn0.1O2 cathode material. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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5
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Lu SJ, Tang LB, Wei HX, Huang YD, Yan C, He ZJ, Li YJ, Mao J, Dai K, Zheng JC. Single-Crystal Nickel-Based Cathodes: Fundamentals and Recent Advances. ELECTROCHEM ENERGY R 2022. [DOI: 10.1007/s41918-022-00166-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractLithium-ion batteries (LIBs) represent the most promising choice for meeting the ever-growing demand of society for various electric applications, such as electric transportation, portable electronics, and grid storage. Nickel-rich layered oxides have largely replaced LiCoO2 in commercial batteries because of their low cost, high energy density, and good reliability. Traditional nickel-based oxide particles, usually called polycrystal materials, are composed of microsized primary particles. However, polycrystal particles tend to suffer from pulverization and severe side reactions along grain boundaries during cycling. These phenomena accelerate cell degradation. Single-crystal materials, which exhibit robust mechanical strength and a high surface area, have great potential to address the challenges that hinder their polycrystal counterparts. A comprehensive understanding of the growing body of research related to single-crystal materials is imperative to improve the performance of cathodes in LIBs. This review highlights origins, recent developments, challenges, and opportunities for single-crystal layered oxide cathodes. The synthesis science behind single-crystal materials and comparative studies between single-crystal and polycrystal materials are discussed in detail. Industrial techniques and facilities are also reviewed in combination with our group’s experiences in single-crystal research. Future development should focus on facile production with strong control of the particle size and distribution, structural defects, and impurities to fully reap the benefits of single-crystal materials.
Graphical abstract
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6
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Addressing cation mixing in layered structured cathodes for lithium-ion batteries: A critical review. NANO MATERIALS SCIENCE 2022. [DOI: 10.1016/j.nanoms.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Hu W, kou H, Chen Y, Wang Y, Zhu H, Li G, Li H. Unraveling the roles of Al, Mn and Co in the Ni-rich cathode material for Li-ion batteries. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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F-Doped Ni-Rich Layered Cathode Material with Improved Rate Performance for Lithium-Ion Batteries. Processes (Basel) 2022. [DOI: 10.3390/pr10081573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Ni-rich layered cathode materials for lithium-ion batteries have received widespread attention due to their large capacity and low cost; however, the structural stability of the material needs to be improved. Herein, F-doped and undoped cathode materials prepared with an advanced co-precipitation method were used to measure the effect of F doping on the material. Compared to the undoped sample, the F-doped cathode materials exhibited an improved rate performance, because the porous structure of F-doped cathode materials is favorable for the infiltration of the electrolyte and the material, and the F-doped cathode material has a larger (003) crystal plane and a smaller Li+ migration barrier energy. This simple F-doping treatment strategy provides a promising way to improve the performance of Ni-rich layered cathode materials for lithium-ion batteries.
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Chen J, Su B, Fan J, Chu B, Li G, Huang T, Yu A. A low-temperature coating method with H3BO3 for enhanced electrochemical performance of Ni-rich LiNi0.82Co0.12Mn0.06O2 cathode. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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Xiao P, Li W, Chen S, Li G, Dai Z, Feng M, Chen X, Yang W. Effects of Oxygen Pressurization on Li +/Ni 2+ Cation Mixing and the Oxygen Vacancies of LiNi 0.8Co 0.15Al 0.05O 2 Cathode Materials. ACS APPLIED MATERIALS & INTERFACES 2022; 14:31851-31861. [PMID: 35799357 DOI: 10.1021/acsami.2c05136] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Ni-rich cathode materials are a low-cost and high-energy density solution for high-power lithium-ion batteries. However, Li+/Ni2+ cation mixing and oxygen vacancies are inevitably formed during the high-temperature calcination process, resulting in a poor crystal structure that adversely affects the electrochemical performance. In this work, the LiNi0.8Co0.15Al0.05O2 cathode material with a regular crystal structure was prepared through oxygen pressurization during lithiation-calcination, which effectively solved the problems caused by the high calcination temperature, such as oxygen loss and a reduction of Ni3+. The co-effect of oxygen pressure and calcination temperature on the properties of Ni-rich materials was systematically explored. Oxygen pressurization increased the redox conversion temperature, thus promoting the oxidation of Ni2+ and reducing Li+/Ni2+ cation mixing. Moreover, due to the strong oxidizing environment provided by the elevated calcination temperature and oxygen pressurization, the LiNi0.8Co0.15Al0.05O2 material synthesized under 0.4 MPa oxygen pressure and a calcination temperature of 775 °C exhibited few oxygen vacancies, which in turn suppressed the formation of microcracks during the electrochemical cycling. An additional feature of the LiNi0.8Co0.15Al0.05O2 material was the small specific surface area of the particles, which reduced both the contact area with the electrolyte and side reactions. As a result, the LiNi0.8Co0.15Al0.05O2 material exhibited remarkable electrochemical performance, with an initial discharge capacity of 191.6 mA h·g-1 at 0.1 C and a capacity retention of 94.5% at 0.2 C after 100 cycles.
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Affiliation(s)
- Peng Xiao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Wenhao Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Shuai Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Gang Li
- Sinopec Research Institute of Petroleum Processing, Beijing 100083, PR China
| | - Zhongjia Dai
- Sinopec Research Institute of Petroleum Processing, Beijing 100083, PR China
| | - Mengdan Feng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
- New Oriental Academy, Beijing 102206, PR China
| | - Xu Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Wensheng Yang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
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11
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Wrinkled and flexible N-doped MXene additive for improving the mechanical and electrochemical properties of the nickel-rich LiNi0.8Co0.1Mn0.1O2 cathode. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.139989] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Zhang H, Zhang Y, Du T, Cheng X, Zhao B, Qiang W. Enhanced cycle stability of Ni-rich LiNi0.83Co0.12Mn0.05O2 with Mg and La co-modification. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05150-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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13
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Park HG, Min K, Park K. A Synergistic Effect of Na + and Al 3+ Dual Doping on Electrochemical Performance and Structural Stability of LiNi 0.88Co 0.08Mn 0.04O 2 Cathodes for Li-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:5168-5176. [PMID: 35041400 DOI: 10.1021/acsami.1c16042] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The synergistic effect of Na+/Al3+ dual doping is investigated to improve the structural stability and electrochemical performance of LiNi0.88Co0.08Mn0.04O2 cathodes for Li-ion batteries. Rietveld refinement and density functional theory calculations confirm that Na+/Al3+ dual doping changes the lattice parameters of LiNi0.88Co0.08Mn0.04O2. The changes in the lattice parameters and degree of cation mixing can be alleviated by maintaining the thickness of the LiO6 slab because the energy of Al-O bonds is higher than that of transition metal (TM)-O bonds. Moreover, Na is an abundant and inexpensive metal, and unlike Al3+, Na+ can be doped into the Li slab. The ionic radius of Na+ (1.02 Å) is larger than that of Li+ (0.76 Å); therefore, when Na+ is inserted into Li sites, the Li slab expands, indicating that Na+ serves as a pillar ion for the Li diffusion pathway. Upon dual doping of the Li and TM sites of Ni-rich Ni0.88Co0.08Mn0.04O2 (NCM) with Na+ and Al3+, respectively, the lattice structure of the obtained NNCMA is more ideal than those of bare NCM and Li+- and Na+-doped NCM (NNCM and NCMA, respectively). This suggests that NNCMA with an ideal lattice structure presents several advantages, namely, excellent structural stability, a low degree of cation mixing, and favorable Li-ion diffusion. Consequently, the rate capability of NNCMA (83.67%, 3 C/0.2 C), which presents favorable Li-ion diffusion because of the expanded Li sites, is higher than those of bare NCM (78.68%), NNCM (81.15%), and NCMA (83.18%). The Rietveld refinement, differential capacity analysis, and galvanostatic intermittent titration technique results indicate that NNCMA exhibits low polarization, favorable Li-ion diffusion, and a low degree of cation mixing; moreover, its phase transition is hindered. Consequently, NNCMA demonstrates a higher capacity retention (84%) than bare NCM (79%), NNCM (82%), and NCMA (82%) after 50 cycles at 1 C. This study provides insight into the fabrication of Ni-rich NCMs with excellent electrochemical performance.
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Affiliation(s)
- Hyun Gyu Park
- Department of Mechanical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Kyoungmin Min
- School of Mechanical Engineering, Soongsil University, 369 Sangdo-ro, Dongjak-gu, Seoul 06978, Republic of Korea
| | - Kwangjin Park
- Department of Mechanical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
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Windisch-Kern S, Gerold E, Nigl T, Jandric A, Altendorfer M, Rutrecht B, Scherhaufer S, Raupenstrauch H, Pomberger R, Antrekowitsch H, Part F. Recycling chains for lithium-ion batteries: A critical examination of current challenges, opportunities and process dependencies. WASTE MANAGEMENT (NEW YORK, N.Y.) 2022; 138:125-139. [PMID: 34875455 DOI: 10.1016/j.wasman.2021.11.038] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/15/2021] [Accepted: 11/23/2021] [Indexed: 06/13/2023]
Abstract
Lithium-ion batteries (LIBs) show high energy densities and are therefore used in a wide range of applications: from portable electronics to stationary energy storage systems and traction batteries used for e-mobility. Considering the projected increase in global demand for this energy storage technology, driven primarily by growth in e-vehicles, and looking at the criticality of some raw materials used in LIBs, the need for an efficient recycling strategy emerges. In this study, current state-of-the-art technologies for LIB recycling are reviewed and future opportunities and challenges, in particular to recover critical raw materials such as lithium or cobalt, are derived. Special attention is paid to the interrelationships between mechanical or thermal pre-treatment and hydro- or pyrometallurgical post-treatment processes. Thus, the unique approach of the article is to link processes beyond individual stages within the recycling chain. It was shown that influencing the physicochemical properties of intermediate products can lead to reduced recycling rates or even the exclusion of certain process options at the end of the recycling chain. More efforts are needed to improve information and data sharing on the exact composition of feedstock for recycling as well as on the processing history of intermediates to enable closed loop LIB recycling. The technical understanding of the interrelationships between different process combinations, such as pyrolytic or mechanical pre-treatment for LIB deactivation and metal separation, respectively, followed by hydrometallurgical treatment, is of crucial importance to increase recovery rates of cathodic metals such as cobalt, nickel, and lithium, but also of other battery components.
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Affiliation(s)
- Stefan Windisch-Kern
- Montanuniversitaet Leoben, Department of Environmental and Energy Process Engineering, Chair of Thermal Processing Technology, Franz Josef Strasse 18, 8700 Leoben, Austria
| | - Eva Gerold
- Montanuniversitaet Leoben, Department Metallurgy, Chair of Nonferrous Metallurgy, Franz Josef Strasse 18, 8700 Leoben, Austria.
| | - Thomas Nigl
- Montanuniversitaet Leoben, Department of Environmental and Energy Process Engineering, Chair of Waste Processing Technology and Waste Management, Franz Josef Strasse 18, 8700 Leoben, Austria
| | - Aleksander Jandric
- University of Natural Resources and Life Sciences, Department of Water-Atmosphere-Environment, Institute of Waste Management, Muthgasse 107, 1190 Vienna, Austria
| | - Michael Altendorfer
- Montanuniversitaet Leoben, Department of Environmental and Energy Process Engineering, Chair of Waste Processing Technology and Waste Management, Franz Josef Strasse 18, 8700 Leoben, Austria
| | - Bettina Rutrecht
- Montanuniversitaet Leoben, Department of Environmental and Energy Process Engineering, Chair of Waste Processing Technology and Waste Management, Franz Josef Strasse 18, 8700 Leoben, Austria
| | - Silvia Scherhaufer
- University of Natural Resources and Life Sciences, Department of Water-Atmosphere-Environment, Institute of Waste Management, Muthgasse 107, 1190 Vienna, Austria
| | - Harald Raupenstrauch
- Montanuniversitaet Leoben, Department of Environmental and Energy Process Engineering, Chair of Thermal Processing Technology, Franz Josef Strasse 18, 8700 Leoben, Austria
| | - Roland Pomberger
- Montanuniversitaet Leoben, Department of Environmental and Energy Process Engineering, Chair of Waste Processing Technology and Waste Management, Franz Josef Strasse 18, 8700 Leoben, Austria
| | - Helmut Antrekowitsch
- Montanuniversitaet Leoben, Department Metallurgy, Chair of Nonferrous Metallurgy, Franz Josef Strasse 18, 8700 Leoben, Austria
| | - Florian Part
- University of Natural Resources and Life Sciences, Department of Water-Atmosphere-Environment, Institute of Waste Management, Muthgasse 107, 1190 Vienna, Austria
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Li Z, Yu X, Lv Y, Qi L, Ma Y, zhang H, Song D, Shi X, Zhang L. Investigation on the structure and electrochemical performance of LiNi0.8Co0.1Mn0.1O2 modified with Sn. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.139468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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16
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Lee EG, Park H, Ji S, Seong SJ, Wu M, Lee SS, Kim Y, Choi S. Understanding the Chemical Composition with Doping Aliovalent Ions, Followed by the Electrochemical Behavior for Surface-Modified Ni-Rich NMC Cathode Materials. Inorg Chem 2021; 60:16294-16302. [PMID: 34623801 DOI: 10.1021/acs.inorgchem.1c02114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A comparative study of doping aliovalent ions, Zr- or Al-, into Ni-rich Li(Ni,Co,Mn)O2 cathode materials is conducted in terms of the electrochemical properties and chemical analysis, especially on the surface region. The solubility and chemical composition for the given sol-gel treatment matches well with the computational results with which the infinitesimal Zr-coating is identified as exhibiting increased charge capacity with prolonged cycle life. Specifically, the whole process can be understood by the suppressed lithium-ion charge transfer resistance (RCT) during the cycles, which can be facilitated by the decreased NiO formation during the cyclic reactions.
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Affiliation(s)
- Eun Gyu Lee
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Dajeon 34114, Republic of Korea
| | - Hyemin Park
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Dajeon 34114, Republic of Korea
| | - Seulki Ji
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Dajeon 34114, Republic of Korea
| | - Si Jin Seong
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Dajeon 34114, Republic of Korea
| | - Mihye Wu
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Dajeon 34114, Republic of Korea
| | - Sun Sook Lee
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Dajeon 34114, Republic of Korea
| | - Yongseon Kim
- Department of Materials Science and Engineering, Inha University, 100 Inharo, Nam-gu, Incheon 22212, Republic of Korea
| | - Sungho Choi
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Dajeon 34114, Republic of Korea
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17
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Zha G, Ouyang C, Yin S, Yao K, Agarwal S, Hu N, Hou H. High Cycling Stability of the LiNi 0.8 Co 0.1 Mn 0.1 O 2 Cathode via Surface Modification with Polyimide/Multi-Walled Carbon Nanotubes Composite Coating. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2102981. [PMID: 34585828 DOI: 10.1002/smll.202102981] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/21/2021] [Indexed: 06/13/2023]
Abstract
The Ni-rich LiNi0.8 Co0.10 Mn0.1 O2 (NCM811) cathode coated by combining with multi-walled carbon nanotubes (MWCNTs) and polyimide (PI) produces a PI3-NCM811 cathode, which markedly improves cycling stability and suppresses secondary crystal cracking. The initial discharge capacity of the PI3-NCM811 cathode is 199.6 mAh g-1 between 2.8 and 4.3 V at 0.1 C @ 25 °C, which is slightly lower than that of NCM811 (201.1 mAh g-1 ). The PI3-NCM811 and NCM811 cathodes keep 90.6% and 64.8% of their initial discharge capacity at 1 C between 2.8 and 4.3 V after 500 cycles, respectively. Furthermore, the difference (21.1%) in capacity retention rate between PI3-NCM811 and NCM811 under the condition of 2.8-4.5 V became smaller compared with the difference (25.8%) under the condition of 2.8-4.3 V. This better cyclic stability is mainly attributed to the toughness and elasticity of PI, which inhibits the secondary cracking, maintains the structural integrity of the cathode particles, and protects the particles from electrolyte damage during long-term cycling.
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Affiliation(s)
- Guojun Zha
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
- School of New Energy Science and Engineering, Xinyu University, Xinyu, China
| | - Chuying Ouyang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Shungao Yin
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Kaiqing Yao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Seema Agarwal
- Macromolecular Chemistry 2 and Bavarian Centre for Battery Technology, University of Bayreuth, Universitätsstrasse 30, 95440, Bayreuth, Germany
| | - Naigen Hu
- School of New Energy Science and Engineering, Xinyu University, Xinyu, China
| | - Haoqing Hou
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
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18
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Zhang C, Song C, He Z, Zhao Y, He Y, Bakenov Z. Rational design of a cobalt sulfide nanoparticle-embedded flexible carbon nanofiber membrane electrocatalyst for advanced lithium-sulfur batteries. NANOTECHNOLOGY 2021; 32:455703. [PMID: 34320472 DOI: 10.1088/1361-6528/ac18a2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Both the sluggish redox kinetics and severe polysulfide shuttling behavior hinders the commercialization of lithium-sulfur (Li-S) battery. To solve these obstacles, we design a cobalt sulfide nanoparticle-embedded flexible carbon nanofiber membrane (denoted as CoS2@NCF) as sulfiphilic functional interlayer materials. The hierarchically porous structure of carbon nanofiber is conducive to immobilizing sulfur species and facilitating lithium-ion penetration. Moreover, electrocatalytic CoS2nanoparticles can significantly enhance the catalytic effect, achieving favorable adsorption-diffusion-conversion interface of polysulfide. Combined with these synergistic features, the assembled Li-S cell with CoS2@NCF interlayer exhibited a great discharge capacity of 950.9 mAh g-1with prolonged cycle lifespan at 1 C (maintained 648.1 mAh g-1over 500 cycles). This multifunctional interlayer material used in this contribution provides an advanced route for developing high-energy-density Li-S battery.
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Affiliation(s)
- Chenfeng Zhang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Cailing Song
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Zongke He
- Hebei Provincial Key Laboratory of Green Chemical Technology and High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Yan Zhao
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Yusen He
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Zhumabay Bakenov
- Department of Chemical and Materials Engineering, National Laboratory Astana, Nazarbayev University, Institute of Batteries LLP, Nur-Sultan, 010000, Kazakhstan
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19
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Hao H, Xu S, Jing N, Wang M, Wang Z, Yang L, Chen J, Wang G, Wang G. Negative Thermal Expansion Material: Promising for Improving Electrochemical Performance and Safety of Lithium-Ion Batteries. J Phys Chem Lett 2021; 12:6134-6142. [PMID: 34181427 DOI: 10.1021/acs.jpclett.1c01332] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Heat and deformation are responsible for poor performance and safety of batteries, but they cannot always be avoided. To address these two issues, ZrW2O8, a negative thermal expansion (NTE) material, was adopted to modify LiNi0.8Co0.1Mn0.1O2 (NCM811) to decline deformation via in situ absorption of the generated heat. The reversible capacity of NCM811 modified with 5 wt % of ZrW2O8 can remain at 180.6 mAh/g after 100 cycles at 60 °C and 1.0 C current rate, which increases the retention ratio of NCM811 by 14.8%, while the voltage difference between main redox peaks, Rct, strain after cycles, and heat from DSC of NCM811 are reduced about 47.8%, 81.0%, 28.2%, and 76.0%, respectively. According to various analysis results, the side reactions are also suppressed, and the enhancing mechanisms of ZrW2O8 for NCM811 were discussed. A general strategy is developed for the management of deformation using heat to improve performance and safety of batteries.
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Affiliation(s)
- Huming Hao
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Sheng Xu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Nana Jing
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Mengyao Wang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Zhiqiang Wang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Liangxuan Yang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Jianyue Chen
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Guan Wang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Guixin Wang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
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20
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Chu B, You L, Li G, Huang T, Yu A. Revealing the Role of W-Doping in Enhancing the Electrochemical Performance of the LiNi 0.6Co 0.2Mn 0.2O 2 Cathode at 4.5 V. ACS APPLIED MATERIALS & INTERFACES 2021; 13:7308-7316. [PMID: 33528989 DOI: 10.1021/acsami.0c21501] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
More and more attention has been focused on Ni-rich ternary materials due to their superior specific capacity, but they still suffer inherent structural irreversibility and rapid capacity degradation under a high voltage. Oxidation of unstable oxygen will lead to the irreversible transformation of the structure. Taking into account the strong W-O bond, an appropriate amount of W-doping is studied to reinforce the thermal stability and electrochemical performance of LiNi0.6Co0.2Mn0.2O2 (NCM622) at 4.5 V. Combining experiments and theoretical calculations, it can be found that W-doping is most preferred at Co sites, and the average charge around O in the NiO6 octahedron becomes more negative after W-doping, which can successfully restrain the release of oxygen, thereby improving the stability of the crystal structure during deep delithiation. In addition, W-doping decreases the energy barrier of the Li+ migration slightly and boosts the kinetic diffusion of lithium ions. As a result, NCM622 doped with 0.5% W boasts an outstanding capacity retention of 96.7% at 1 C after 100 cycles and a discharge specific capacity of up to 152.8 mA h g-1 at 5 C between 3.0 and 4.5 V. Furthermore, analysis of the cycled electrodes indicates that the lattice expansion and the formation of microcracks during long cycling are suppressed after W-doping, thereby elevating the structure and interface stability. Therefore, doping an appropriate amount of W via simple methods is helpful to obtain Ni-rich cathode materials with admirable performance.
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Affiliation(s)
- Binbin Chu
- Department of Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, Fudan University, Shanghai 200438, China
| | - Longzhen You
- Department of Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, Fudan University, Shanghai 200438, China
| | - Guangxin Li
- Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Tao Huang
- Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Aishui Yu
- Department of Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, Fudan University, Shanghai 200438, China
- Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
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21
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Enhanced interfacial reaction interface stability of Ni-rich cathode materials by fabricating dual-modified layer coating for lithium-ion batteries. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137476] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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22
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Feng Z, Rajagopalan R, Zhang S, Sun D, Tang Y, Ren Y, Wang H. A Three in One Strategy to Achieve Zirconium Doping, Boron Doping, and Interfacial Coating for Stable LiNi 0.8Co 0.1Mn 0.1O 2 Cathode. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2001809. [PMID: 33510998 PMCID: PMC7816706 DOI: 10.1002/advs.202001809] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/06/2020] [Indexed: 06/01/2023]
Abstract
LiNi0.8Co0.1Mn0.1O2 cathodes suffer from severe bulk structural and interfacial degradation during battery operation. To address these issues, a three in one strategy using ZrB2 as the dopant is proposed for constructing a stable Ni-rich cathode. In this strategy, Zr and B are doped into the bulk of LiNi0.8Co0.1Mn0.1O2, respectively, which is beneficial to stabilize the crystal structure and mitigate the microcracks. Meanwhile, during the high-temperature calcination, some of the remaining Zr at the surface combined with the surface lithium source to form lithium zirconium coatings, which physically protect the surface and suppress the interfacial phase transition upon cycling. Thus, the 0.2 mol% ZrB2-LiNi0.8Co0.1Mn0.1O2 cathode delivers a discharge capacity of 183.1 mAh g-1 after 100 cycles at 50 °C (1C, 3.0-4.3 V), with an outstanding capacity retention of 88.1%. The cycling stability improvement is more obvious when the cut-off voltage increased to 4.4 V. Density functional theory confirms that the superior structural stability and excellent thermal stability are attributed to the higher exchange energy of Li/Ni exchange and the higher formation energy of oxygen vacancies by ZrB2 doping. The present work offers a three in one strategy to simultaneously stabilize the crystal structure and surface for the Ni-rich cathode via a facile preparation process.
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Affiliation(s)
- Ze Feng
- Hunan Provincial Key Laboratory of Chemical Power SourcesHunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese ResourcesCollege of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083P. R. China
| | - Ranjusha Rajagopalan
- Hunan Provincial Key Laboratory of Chemical Power SourcesHunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese ResourcesCollege of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083P. R. China
| | - Shan Zhang
- Hunan Provincial Key Laboratory of Chemical Power SourcesHunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese ResourcesCollege of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083P. R. China
| | - Dan Sun
- Hunan Provincial Key Laboratory of Chemical Power SourcesHunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese ResourcesCollege of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083P. R. China
| | - Yougen Tang
- Hunan Provincial Key Laboratory of Chemical Power SourcesHunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese ResourcesCollege of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083P. R. China
| | - Yu Ren
- TEC Materials Development TeamTianmu Lake Institute of Advanced Energy Storage TechnologiesChangzhou213300P. R. China
| | - Haiyan Wang
- Hunan Provincial Key Laboratory of Chemical Power SourcesHunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese ResourcesCollege of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083P. R. China
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23
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Su Y, Li L, Chen G, Chen L, Li N, Lu Y, Bao L, Chen S, Wu F. Strategies of Removing Residual Lithium Compounds on the Surface of
Ni‐Rich
Cathode Materials
†. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.202000386] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yuefeng Su
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
- Beijing Institute of Technology Chongqing Innovation Center Chongqing 401120 China
| | - Linwei Li
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Gang Chen
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
- Beijing Institute of Technology Chongqing Innovation Center Chongqing 401120 China
| | - Lai Chen
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
- Beijing Institute of Technology Chongqing Innovation Center Chongqing 401120 China
| | - Ning Li
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
- Beijing Institute of Technology Chongqing Innovation Center Chongqing 401120 China
| | - Yun Lu
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
- Beijing Institute of Technology Chongqing Innovation Center Chongqing 401120 China
| | - Liying Bao
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Shi Chen
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Feng Wu
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
- Beijing Institute of Technology Chongqing Innovation Center Chongqing 401120 China
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24
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Sun HH, Dolocan A, Weeks JA, Heller A, Mullins CB. Stabilization of a Highly Ni-Rich Layered Oxide Cathode through Flower-Petal Grain Arrays. ACS NANO 2020; 14:17142-17150. [PMID: 33284576 DOI: 10.1021/acsnano.0c06910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nickel adds to the capacity of layered oxide cathodes of lithium-ion batteries but comprises their stability. We report a petal-grained Li[Ni0.89Co0.10Sb0.01]O2 cathode that is, nevertheless, stable. The stability originates from the ordering of the nanosized grains in a dense, flower-petal-like array, where the elongated and nearly parallel grains radiate from the center to the surface. The ordering of the grains prevents microcrack generation from abrupt lattice changes of the stressful H2-H3 phase transition. The tight packing of the nanograins is conserved upon cycling, preventing destructive seepage of the electrolytic solution into the particles. The half-cell, cycling between 2.7-4.3 V versus Li/Li+ at a 0.5 C rate retains 95.0% of its initial capacity of 220 mAh g-1 after 100 cycles. The full-cell, cycling with a graphite anode and between 3.0-4.2 V at a 1 C rate, retains 83.9% of its initial capacity after 1000 cycles.
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Affiliation(s)
- H Hohyun Sun
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712-1589, United States
| | - Andrei Dolocan
- Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712-1224, United States
| | - Jason A Weeks
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712-1224, United States
| | - Adam Heller
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712-1589, United States
| | - C Buddie Mullins
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712-1589, United States
- Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712-1224, United States
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712-1224, United States
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25
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Cheng L, Zhang B, Su SL, Ming L, Zhao Y, Tan XX. Al-doping enables high stability of single-crystalline LiNi 0.7Co 0.1Mn 0.2O 2 lithium-ion cathodes at high voltage. RSC Adv 2020; 11:124-128. [PMID: 35423022 PMCID: PMC8690336 DOI: 10.1039/d0ra09813b] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 12/09/2020] [Indexed: 12/03/2022] Open
Abstract
LiNi0.7Co0.1Mn0.2O2 (NCM) is a kind of promising cathode material for lithium ion batteries because of its high capacities. However, the further commercialization of this material has been seriously hindered by the unstable structure at a deep de-lithiation state. Herein, it is identified that this drawback can be diminished by Al-doping, which is inherently stable in the lattice framework to restrain the structural collapse of LiNi0.7Co0.1Mn0.2O2 at a high cut-off voltage (4.4 V). As expected, the Al-doped NCM (NCM-0.2Al) material obtains the highest reversible capacity and capacity retention (144.69 mA h g-1, 80.26%) after 90 cycles at 1C. The excellent performance demonstrates that Al-doping can effectively enhance the Li+-ion diffusion kinetic and structural stability of NCM, providing a feasible strategy for the further industrialization of Ni-rich materials.
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Affiliation(s)
- Lei Cheng
- School of Metallurgy and Environment, Central South University Changsha 410083 P. R. China
| | - Bao Zhang
- School of Metallurgy and Environment, Central South University Changsha 410083 P. R. China
| | - Shi-Lin Su
- School of Metallurgy and Environment, Central South University Changsha 410083 P. R. China
| | - Lei Ming
- School of Metallurgy and Environment, Central South University Changsha 410083 P. R. China
| | - Yi Zhao
- School of Metallurgy and Environment, Central South University Changsha 410083 P. R. China
| | - Xin-Xin Tan
- School of Metallurgy and Environment, Central South University Changsha 410083 P. R. China
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26
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Xu C, Yang W, Xiang W, Wu Z, Song Y, Wang G, Liu Y, Yan H, Zhang B, Zhong B, Guo X. Key Parameter Optimization for the Continuous Synthesis of Ni-Rich Ni–Co–Al Cathode Materials for Lithium-Ion Batteries. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c05415] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chunliu Xu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Wen Yang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Wei Xiang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, P. R. China
| | - Zhenguo Wu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Yang Song
- School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Gongke Wang
- School of Materials Science and Engineering, Henan Normal University, Xinxiang 453007, PR China
| | - Yuxia Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, PR China
| | - Hua Yan
- Yibin LIBODE New Material Co., Ltd., Yibin 644000, PR China
| | - Bin Zhang
- Yibin LIBODE New Material Co., Ltd., Yibin 644000, PR China
| | - Benhe Zhong
- School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Xiaodong Guo
- School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
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27
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Abstract
The aim of this article is to examine the progress achieved in the recent years on two advanced cathode materials for EV Li-ion batteries, namely Ni-rich layered oxides LiNi0.8Co0.15Al0.05O2 (NCA) and LiNi0.8Co0.1Mn0.1O2 (NCM811). Both materials have the common layered (two-dimensional) crystal network isostructural with LiCoO2. The performance of these electrode materials are examined, the mitigation of their drawbacks (i.e., antisite defects, microcracks, surface side reactions) are discussed, together with the prospect on a next generation of Li-ion batteries with Co-free Ni-rich Li-ion batteries.
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28
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Liu H, Xiang W, Bai C, Qiu L, Wu C, Wang G, Liu Y, Song Y, Wu ZG, Guo X. Enabling Superior Electrochemical Performance of Lithium-Rich Li1.2Ni0.2Mn0.6O2 Cathode Materials by Surface Integration. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c04374] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Hao Liu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Wei Xiang
- School of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, PR China
| | - Changjiang Bai
- School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Lang Qiu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Chen Wu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Gongke Wang
- School of Materials Science and Engineering, Henan Normal University, Xinxiang 453007, PR China
| | - Yuxia Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China
| | - Yang Song
- School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Zhen-Guo Wu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Xiaodong Guo
- School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
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29
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Zha G, Luo Y, Hu N, Ouyang C, Hou H. Surface Modification of the LiNi 0.8Co 0.1Mn 0.1O 2 Cathode Material by Coating with FePO 4 with a Yolk-Shell Structure for Improved Electrochemical Performance. ACS APPLIED MATERIALS & INTERFACES 2020; 12:36046-36053. [PMID: 32672442 DOI: 10.1021/acsami.0c07931] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Coating with FePO4 with the size of 20-30 nm on the surface of a LiNi0.8Co0.10Mn0.1O2 (NCM811) cathode produces an LFP3@NCM811 cathode via a sol-gel method, which markedly reduces secondary crystal cracking. A stable particle structure greatly improves the cycling stability of the LFP3@NCM811cathode, which retains 97% of its initial discharge capacity compared to NCM811 (78%) after 100 cycles at 2.7-4.5 V. Furthermore, it retains 86 and 63% of its initial discharge capacity after 400 cycles for LFP3@NCM811 and NCM811, respectively. The initial discharge capacity of the LFP3@NCM811 cathode is 218.8 mAh g-1 at 0.1 C, and the discharge capacity of the LFP3@NCM811 cathode is achieved to be 151.4 mAh g-1 at 5 C, which is 15 mAh g-1 higher than that of the NCM811 cathode. These are due to the reduction of cation mixing for a certain amount of Fe2+/Fe3+ or PO43- doped into the NCM811 surface, and the yolk-shell structure formed by coating with FePO4 helps improve the electronic conductivity and accelerate the Li+ transport. The cycling stability is mainly due to the secondary cleavage inhibition, which maintains the structural integrity of the cathode particles during the long cycle process and protects the inside of the particle from harmful electrolytes.
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Affiliation(s)
- Guojun Zha
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
- School of New Energy Science and Engineering, Xinyu University, Xinyu 338004, China
| | - Yongping Luo
- School of New Energy Science and Engineering, Xinyu University, Xinyu 338004, China
| | - Naigen Hu
- School of New Energy Science and Engineering, Xinyu University, Xinyu 338004, China
| | - Chuying Ouyang
- Laboratory of Computational Materials Physics, Department of Physics, Jiangxi Normal University, Nanchang, Jiangxi 338004, China
| | - Haoqing Hou
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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30
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Ming Y, Xiang W, Qiu L, Hua WB, Li R, Wu ZG, Xu CL, Li YC, Wang D, Chen YX, Zhong BH, He FR, Guo XD. Dual Elements Coupling Effect Induced Modification from the Surface into the Bulk Lattice for Ni-Rich Cathodes with Suppressed Capacity and Voltage Decay. ACS APPLIED MATERIALS & INTERFACES 2020; 12:8146-8156. [PMID: 31916744 DOI: 10.1021/acsami.9b18946] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Injection of phase transition from a layered to rock-salt phase into the bulk lattice and side reactions on the interfacial usually causes structure degradation, quick capacity/voltage decay, and even thermal instability. Here, a self-formed interfacial protective layer coupled with lattice tuning was constructed for Ni-rich cathodes by simultaneous incorporation of Zr and Al in a one-step calcination. The migration energy between Zr and Al from the surface into the bulk lattice induces dual modifications from the surface into the bulk lattice, which effectively decrease the formation of cation mixing, the degree of anisotropic lattice change, and the generation of microcracks. With the stabilization role provided by the doped Zr-Al ions and protective function endowed by the surface layer, the modified cathode material exhibits significantly enhanced capacity and voltage retention. Specifically, the capacity retention for the modified cathode material reaches 99% after 100 cycles at 1 C and 25 °C in a voltage range of 3.0-4.3 V, which outperformed that for the pristine cathode (70%). The declination values of the average voltage for the modified cathode are only 0.025 and 0.097 V after 100 cycles at 1 C in voltage ranges of 3.0-4.3 and 2.8-4.5 V, respectively, which are much lower than those for the pristine cathode (0.230 and 0.405 V). The synchronous accomplishment of modification from the surface into the bulk lattice for Ni-rich materials with multiple elements in a one-step calcination process would provide some referenced value for the preparation of other cathode materials.
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Affiliation(s)
- Yong Ming
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Wei Xiang
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
- College of Materials and Chemistry & Chemical Engineering , Chengdu University of Technology , Chengdu 610059 , PR China
- Post-doctoral Mobile Research Center of Ruyuan Hec Technology Corporation , Ruyuan , Guangdong 512000 , PR China
| | - Lang Qiu
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Wei-Bo Hua
- Institute for Applied Materials (IAM) , Karlsruhe Institute of Technology (KIT) , Eggenstein-Leopoldshafen 76344 , Germany
| | - Rong Li
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Zhen-Guo Wu
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Chun-Liu Xu
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Yong-Chun Li
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Dong Wang
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Yan-Xiao Chen
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Ben-He Zhong
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
| | - Feng-Rong He
- Post-doctoral Mobile Research Center of Ruyuan Hec Technology Corporation , Ruyuan , Guangdong 512000 , PR China
| | - Xiao-Dong Guo
- College of Chemical Engineering , Sichuan University , Chengdu 610065 , PR China
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Gu W, Dong Q, Zheng L, Liu Y, Mao Y, Zhao Y, Duan W, Lin H, Shen Y, Chen L. Ambient Air Stable Ni-Rich Layered Oxides Enabled by Hydrophobic Self-Assembled Monolayer. ACS APPLIED MATERIALS & INTERFACES 2020; 12:1937-1943. [PMID: 31815413 DOI: 10.1021/acsami.9b20030] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Ni-rich layered oxides, such as LiNi0.8Co0.1Mn0.1O2 (NCM811), are considered as promising cathode materials for lithium-ion batteries due to their high energy density. However, Ni-rich layered oxides are prone to react with water and carbon dioxide in ambient air forming residual lithium compounds, resulting in deterioration of electrochemical performance and bringing a challenge to the cathode electrode preparation. In this work, we have, for the first time, demonstrated that the chemical stability of the NCM811 material in ambient air can be significantly enhanced by passivating the surface with a hydrophobic self-assembled monolayer (SAM) of octadecyl phosphate (OPA). As a result, the degradation reaction between the NCM811 material and ambient air and thus the electrochemical performance deterioration were significantly suppressed during ambient air exposure. Specifically, the 5C-rate capacity retention deterioration of the NCM811 sample during 14-day ambient air exposure has been decreased from 12 to 2% by OPA passivation. Furthermore, the 200-cycle capacity retention deterioration of the NCM811 sample after 7-day ambient air exposure has been improved from 23 to 0.7% by OPA passivation. These results are very important for the practical application of Ni-rich oxide since no need for controlling of humidity is required on the cathode manufacture; thus, the cost can be reduced. The concept of molecular self-assembly on the NCM811 material also open vast possibilities to design reagents for surface passivation of Ni-rich layered oxides.
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Affiliation(s)
- Wei Gu
- School of Physical Science and Technology , ShanghaiTech University , Shanghai 201210 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | | | | | | | | | | | | | | | | | - Liwei Chen
- School of Physical Science and Technology , ShanghaiTech University , Shanghai 201210 , China
- School of Chemistry and Chemical Engineering , Shanghai Jiao Tong University , Shanghai 200240 , China
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32
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Han Y, Shan X, Zhu G, Wang Y, Qu Q, Zheng H. Hierarchically assembled LiNi0.8Co0.1Mn0.1O2 secondary particles with high exposure of {010} plane synthesized via co-precipitation method. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135057] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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33
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Zhao M, Xu Y, Ren P, Zuo Y, Su W, Tang Y. Enhanced electrochemical performance of LiNi0.8Co0.1Mn0.1O2 with a 3D-SiO2 framework by a new negative pressure immersion method. Dalton Trans 2020; 49:2933-2940. [DOI: 10.1039/d0dt00054j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By an original negative pressure treatment method, a 3D-SiO2 framework is formed inside LiNi0.8Co0.1Mn0.1O2, which can significantly improve its electrochemical performance.
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Affiliation(s)
- Meng Zhao
- National Laboratory of Solid State Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- College of Engineering and Applied Sciences
- Nanjing University
- Nanjing
| | - Yue Xu
- National Laboratory of Solid State Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- College of Engineering and Applied Sciences
- Nanjing University
- Nanjing
| | - Peijia Ren
- National Laboratory of Solid State Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- College of Engineering and Applied Sciences
- Nanjing University
- Nanjing
| | - Yinze Zuo
- National Laboratory of Solid State Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- College of Engineering and Applied Sciences
- Nanjing University
- Nanjing
| | - Weiming Su
- National Laboratory of Solid State Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- College of Engineering and Applied Sciences
- Nanjing University
- Nanjing
| | - YueFeng Tang
- National Laboratory of Solid State Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- College of Engineering and Applied Sciences
- Nanjing University
- Nanjing
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34
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Huang J, Du K, Peng Z, Cao Y, Xue Z, Duan J, Wang F, Liu Y, Hu G. Enhanced High‐Temperature Electrochemical Performance of Layered Nickel‐Rich Cathodes for Lithium‐Ion Batteries after LiF Surface Modification. ChemElectroChem 2019. [DOI: 10.1002/celc.201901505] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jinlong Huang
- School of Metallurgy and EnvironmentCentral South University Changsha 410083 China
| | - Ke Du
- School of Metallurgy and EnvironmentCentral South University Changsha 410083 China
| | - Zhongdong Peng
- School of Metallurgy and EnvironmentCentral South University Changsha 410083 China
| | - Yanbing Cao
- School of Metallurgy and EnvironmentCentral South University Changsha 410083 China
| | - Zhichen Xue
- School of Metallurgy and EnvironmentCentral South University Changsha 410083 China
| | - Jianguo Duan
- Faculty of Metallurgical and Energy EngineeringKunming University of Science and Technology Kunming 650093 China
| | - Fei Wang
- School of Materials Science and EngineeringHenan University of Science and Technology Luoyang 471023 P. R. China
| | - Yong Liu
- School of Materials Science and EngineeringHenan University of Science and Technology Luoyang 471023 P. R. China
| | - Guorong Hu
- School of Metallurgy and EnvironmentCentral South University Changsha 410083 China
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35
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Chandan P, Chang CC, Yeh KW, Chiu CC, Wu DZ, Huang TW, Wu PM, Chi PW, Hsu WF, Su KH, Lee YW, Chang HS, Wang MJ, Wu HL, Tang HY, Wu MK. Voltage fade mitigation in the cationic dominant lithium-rich NCM cathode. Commun Chem 2019. [DOI: 10.1038/s42004-019-0223-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Abstract
In the archetypal lithium-rich cathode compound Li1.2Ni0.13Co0.13Mn0.54O2, a major part of the capacity is contributed from the anionic (O2−/−) reversible redox couple and is accompanied by the transition metal ions migration with a detrimental voltage fade. A better understanding of these mutual interactions demands for a new model that helps to unfold the occurrences of voltage fade in lithium-rich system. Here we present an alternative approach, a cationic reaction dominated lithium-rich material Li1.083Ni0.333Co0.083Mn0.5O2, with reduced lithium content to modify the initial band structure, hence ~80% and ~20% of capacity are contributed by cationic and anionic redox couples, individually. A 400 cycle test with 85% capacity retention depicts the capacity loss mainly arises from the metal ions dissolution. The voltage fade usually from Mn4+/Mn3+ and/or On−/O2− reduction at around 2.5/3.0 V seen in the typical lithium-rich materials is completely eliminated in the cationic dominated cathode material.
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36
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Su Y, Chen G, Chen L, Lu Y, Zhang Q, Lv Z, Li C, Li L, Liu N, Tan G, Bao L, Chen S, Wu F. High-Rate Structure-Gradient Ni-Rich Cathode Material for Lithium-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2019; 11:36697-36704. [PMID: 31525905 DOI: 10.1021/acsami.9b12113] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
To simultaneously achieve high compaction density and superior rate performance, a structure-gradient LiNi0.8Co0.1Mn0.1O2 cathode material composed by a compacted core and an active-plane-exposing shell was designed and synthesized via a secondary co-precipitation method successfully. The tight stacking of primary particles in the core part ensures high compaction density of the material, whereas the exposed active planes, resulting from the stacking of primary nanosheets along the [001] crystal axis predominantly, in the shell region afford enhanced Li+ transport. Thus, this structure-gradient Ni-rich cathode material shows a high compaction density with excellent electrochemical performances, especially the rate performance, exhibiting excellent rate capability (160 mA h g-1 at 10 C), which is 62% larger than that of the pristine material within 2.75-4.3 V (vs Li+/Li). Our work proposes a possible strategy for designing and synthesizing layered cathode materials with the required hierarchical structure to meet different application requirements.
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Zhang N, Ai L, Mao L, Feng Y, Xie Y, Wang S, Liang Y, Cui X, Li S. Understanding the role of Mg-doped on core-shell structured layered oxide LiNi0.6Co0.2Mn0.2O2. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.07.048] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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38
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Yang X, Tang Y, Shang G, Wu J, Lai Y, Li J, Qu Y, Zhang Z. Enhanced Cyclability and High-Rate Capability of LiNi 0.88Co 0.095Mn 0.025O 2 Cathodes by Homogeneous Al 3+ Doping. ACS APPLIED MATERIALS & INTERFACES 2019; 11:32015-32024. [PMID: 31407883 DOI: 10.1021/acsami.9b10558] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
To suppress capacity fading of nickel-rich materials for lithium-ion batteries, a homogeneous Al3+ doping strategy is realized through tailoring the Al3+ diffusion path from the bulk surface to interior. Specifically, the layered LiNi0.88Co0.095Mn0.025O2 cathode with the radial arrangement of primary grains is successfully synthesized through optimization design of precursors. The Al3+ follows the radially oriented primary grains into the bulk by introduction of nano-Al2O3 during the sintering process, realizing the homogeneous Al3+ distribution in the whole material. Particularly, a series of nano-Al2O3-modified LiNi0.88Co0.095Mn0.025O2 are investigated. With the 2% molar weight of Al3+ doping, the capacity retention ratio of the cathode is tremendously improved from 52.26 to 91.57% at 1 C rate after 150 cycles. Even at a heavy current density of 5 (&10) C for the LiNi0.88Co0.095Mn0.025O2-Al2% cathode, a high reversible capacity of 172.3 (&165.7) mA h g-1 can be acquired, which amount to the 84.46 (&81.25) % capacity retention at 0.2 C. Moreover, voltage deterioration is significantly suppressed by homogeneous Al3+ doping from the results of median voltage and dQ/dV curves. Therefore, homogeneous Al3+ doping benefited from the radial arrangement of primary grains provides an effective and practical way to prolong lifespan, as well as improves rate performance and voltage stability of nickel-rich ternary materials.
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Affiliation(s)
- Xing Yang
- School of Metallurgy and Environment , Central South University , Changsha , Hunan 410083 , China
| | - Yiwei Tang
- School of Metallurgy and Environment , Central South University , Changsha , Hunan 410083 , China
| | - Guozhi Shang
- School of Metallurgy and Environment , Central South University , Changsha , Hunan 410083 , China
| | - Jian Wu
- School of Metallurgy and Environment , Central South University , Changsha , Hunan 410083 , China
| | - Yanqing Lai
- School of Metallurgy and Environment , Central South University , Changsha , Hunan 410083 , China
| | - Jie Li
- School of Metallurgy and Environment , Central South University , Changsha , Hunan 410083 , China
| | - Yaohui Qu
- School of Physics, Communication and Electronics , Jiangxi Normal University , Nanchang , Jiangxi 330022 , China
| | - Zhian Zhang
- School of Metallurgy and Environment , Central South University , Changsha , Hunan 410083 , China
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39
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Wang L, Ma J, Wang C, Yu X, Liu R, Jiang F, Sun X, Du A, Zhou X, Cui G. A Novel Bifunctional Self-Stabilized Strategy Enabling 4.6 V LiCoO 2 with Excellent Long-Term Cyclability and High-Rate Capability. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1900355. [PMID: 31380171 PMCID: PMC6662074 DOI: 10.1002/advs.201900355] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/24/2019] [Indexed: 05/08/2023]
Abstract
Although the theoretical specific capacity of LiCoO2 is as high as 274 mAh g-1, the superior electrochemical performances of LiCoO2 can be barely achieved due to the issues of severe structure destruction and LiCoO2/electrolyte interface side reactions when the upper cutoff voltage exceeds 4.5 V. Here, a bifunctional self-stabilized strategy involving Al+Ti bulk codoping and gradient surface Mg doping is first proposed to synchronously enhance the high-voltage (4.6 V) performances of LiCoO2. The comodified LiCoO2 (CMLCO) shows an initial discharge capacity of 224.9 mAh g-1 and 78% capacity retention after 200 cycles between 3.0 and 4.6 V. Excitingly, the CMLCO also exhibits a specific capacity of up to 142 mAh g-1 even at 10 C. Moreover, the long-term cyclability of CMLCO/mesocarbon microbeads full cells is also enhanced significantly even at high temperature of 60 °C. The synergistic effects of this bifunctional self-stabilized strategy on structural reversibility and interfacial stability are demonstrated by investigating the phase transitions and interface characteristics of cycled LiCoO2. This work will be a milestone breakthrough in the development of high-voltage LiCoO2. It will also present an instructive contribution for resolving the big structural and interfacial challenges in other high-energy-density rechargeable batteries.
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Affiliation(s)
- Longlong Wang
- Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101P. R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Jun Ma
- Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101P. R. China
| | - Chen Wang
- Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101P. R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Xinrun Yu
- College of Materials Science and EngineeringQingdao UniversityQingdao266071P. R. China
| | - Ru Liu
- Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101P. R. China
| | - Feng Jiang
- College of Chemistry and Molecular EngineeringQingdao University of Science & TechnologyQingdao266042P. R. China
| | - Xingwei Sun
- College of Chemistry and Molecular EngineeringQingdao University of Science & TechnologyQingdao266042P. R. China
| | - Aobing Du
- Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101P. R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Xinhong Zhou
- College of Chemistry and Molecular EngineeringQingdao University of Science & TechnologyQingdao266042P. R. China
| | - Guanglei Cui
- Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101P. R. China
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40
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Li R, Ming Y, Xiang W, Xu C, Feng G, Li Y, Chen Y, Wu Z, Zhong B, Guo X. Structure and electrochemical performance modulation of a LiNi0.8Co0.1Mn0.1O2 cathode material by anion and cation co-doping for lithium ion batteries. RSC Adv 2019; 9:36849-36857. [PMID: 35539034 PMCID: PMC9075131 DOI: 10.1039/c9ra07873h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/05/2019] [Indexed: 11/21/2022] Open
Abstract
Ni-rich layered transition metal oxides show great energy density but suffer poor thermal stability and inferior cycling performance, which limit their practical application. In this work, a minor content of Co and B were co-doped into the crystal of a Ni-rich cathode (LiNi0.8Co0.1Mn0.1O2) using cobalt acetate and boric acid as dopants. The results analyzed by XRD, TEM, XPS and SEM reveal that the modified sample shows a reduced energy barrier for Li+ insertion/extraction and alleviated Li+/Ni2+ cation mixing. With the doping of B and Co, corresponding enhanced cycle stability was achieved with a high capacity retention of 86.1% at 1.0C after 300 cycles in the range of 2.7 and 4.3 V at 25 °C, which obviously outperformed the pristine cathode (52.9%). When cycled after 300 cycles at 5C, the material exhibits significantly enhanced cycle stability with a capacity retention of 81.9%. This strategy for the enhancement of the electrochemical performance may provide some guiding significance for the practical application of high nickel content cathodes. Ni-rich layered transition metal oxides show great energy density but suffer poor thermal stability and inferior cycling performance, which limit their practical application.![]()
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Affiliation(s)
- Rong Li
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Yong Ming
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Wei Xiang
- College of Materials and Chemistry & Chemical Engineering
- Chengdu University of Technology
- Chengdu
- P. R. China
| | - Chunliu Xu
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Guilin Feng
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Yongchun Li
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Yanxiao Chen
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Zhenguo Wu
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
- State Key Laboratory of Physical Chemistry of Solid Surfaces
| | - Benhe Zhong
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
| | - Xiaodong Guo
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- P. R. China
- Institute for Superconducting and Electronic Materials
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