1
|
You B, Sun J, Jing Y, Yan G, Guo H, Wang Z, Wang D, Peng W, Li Q, Wang J. A Fresh One-Step Spray Pyrolysis Approach to Prepare Nickel-Rich Cathode Material for Lithium-Ion Batteries. ACS Appl Mater Interfaces 2023. [PMID: 36881818 DOI: 10.1021/acsami.3c00607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The Ni-rich layered cathode material LiNi0.8Co0.1Mn0.1O2 (NCM811) with high specific capacity and acceptable rate performance is one of the key cathode materials for high-energy-density lithium-ion batteries. Coprecipitation, the widely utilized method in the precursor synthesis of NCM811 materials, however, suffers long synthetic processes and challenges in uniform element distribution. The spray pyrolysis method is able to prepare oxide precursors in seconds where all transition-metal elements are well distributed, but the difficulty of lithium distribution will also arise when the lithium salts are added in the subsequent sintering process. Herein, a fresh one-step spray pyrolysis approach is proposed for preparing high-performance NCM811 cathode materials by synthesizing lithium-contained precursors in which all elements are well distributed at a molecular level. The precursors with folded morphology and exceptional uniformity are successfully obtained at a low pyrolysis temperature of 300 °C by an acetate system. Furthermore, the final products commendably inherit the folded morphology of the precursors and exhibit excellent cyclic retentions of 94.6% and 88.8% after 100 and 200 cycles at 1 C (1 C = 200 mA g-1), respectively.
Collapse
Affiliation(s)
- Bianzheng You
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
| | - Jiping Sun
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
| | - Yu Jing
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
| | - Guochun Yan
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Hunan Provincial Key Laboratory of Nonferrous Value-Added Metallurgy, Central South University, Changsha 410083, P. R. China
| | - Huajun Guo
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Hunan Provincial Key Laboratory of Nonferrous Value-Added Metallurgy, Central South University, Changsha 410083, P. R. China
| | - Zhixing Wang
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Hunan Provincial Key Laboratory of Nonferrous Value-Added Metallurgy, Central South University, Changsha 410083, P. R. China
| | - Ding Wang
- National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology, Key Laboratory of Advanced Battery Materials of Yunnan Province, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
| | - Wenjie Peng
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Hunan Provincial Key Laboratory of Nonferrous Value-Added Metallurgy, Central South University, Changsha 410083, P. R. China
| | - Qihou Li
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
| | - Jiexi Wang
- School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
- Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Hunan Provincial Key Laboratory of Nonferrous Value-Added Metallurgy, Central South University, Changsha 410083, P. R. China
| |
Collapse
|
2
|
Huang W, Li W, Wang L, Zhu H, Gao M, Zhao H, Zhao J, Shen X, Wang X, Wang Z, Qi C, Xiao W, Yao L, Wang J, Zhuang W, Sun X. Structure and Charge Regulation Strategy Enabling Superior Cyclability for Ni-Rich Layered Cathode Materials. Small 2021; 17:e2104282. [PMID: 34623019 DOI: 10.1002/smll.202104282] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/05/2021] [Indexed: 06/13/2023]
Abstract
Ni-rich layered oxides are significantly promising cathode materials for commercial high-energy-density lithium-ion batteries. However, their major bottlenecks limiting their widespread applications are capacity fading and safety concerns caused by their inherently unstable crystal structure and highly reactive surface. Herein, surface structure and bulk charge regulation are concurrently achieved by introducing high-valence Ta5+ ions in Ni-rich cathodes, which exhibit superior electrochemical properties and thermal stability, especially a remarkable cyclic stability with a capacity retention of 80% for up to 768 cycles at a 1C rate versus Li/Li+ . Due to the partial Ta enrichment on surface, the regulated surface enables high reversibility of Li+ insertion/extraction by preventing surface Ni reduction in deep charging. Moreover, bulk charge regulation that boosts charge density and its localization on oxygen remarkably suppresses microcracks and oxygen loss, which in turn prevents the fragmentation of the regulated surface and structural degradation associated with oxygen skeleton. This study highlights the significance of an integrated optimization strategy for Ni-rich cathodes and, as a case study, provides a novel and deep insights into the underlying mechanisms of high-valence ions substitution of Ni-rich layered cathodes.
Collapse
Affiliation(s)
- Wei Huang
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- China Automotive Battery Research Institute Co. Ltd, Beijing, 101407, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- General Research Institute for Nonferrous Metals, Beijing, 100088, China
| | - Wenjin Li
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Lve Wang
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - He Zhu
- Department of Physics, City University of Hong Kong, Hong Kong, 999077, China
| | - Min Gao
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Huan Zhao
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
| | - Jinling Zhao
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xueling Shen
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xiaodan Wang
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Ze Wang
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Chuanlei Qi
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Wei Xiao
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
| | - Lei Yao
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jiantao Wang
- National Power Battery Innovation Center, Grinm Group Corporation Limited, Beijing, 100088, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- General Research Institute for Nonferrous Metals, Beijing, 100088, China
| | - Weidong Zhuang
- China Automotive Battery Research Institute Co. Ltd, Beijing, 101407, China
- General Research Institute for Nonferrous Metals, Beijing, 100088, China
- Beijing Key Laboratory of Green Recovery and Extraction of Rare and Precious Metals, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xueliang Sun
- Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario, N6A 5B9, Canada
| |
Collapse
|
3
|
Lee W, Yun S, Li H, Kim J, Lee H, Kwon K, Lee JY, Choi YM, Yoon WS. Anionic Redox Chemistry as a Clue for Understanding the Structural Behavior in Layered Cathode Materials. Small 2020; 16:e1905875. [PMID: 31943743 DOI: 10.1002/smll.201905875] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 12/15/2019] [Indexed: 06/10/2023]
Abstract
The anionic redox chemistries of layered cathode materials have been in focus recently due to an intriguing phenomenon that cannot be described by the number of electrons of transition metal ions. However, even though several studies have investigated the anionic redox chemistry of layered materials in terms of the charge compensation, the relationship between the origin of the structural behavior and anionic redox chemistry in layered materials remains poorly understood. In addition, a simultaneous redox process of transition metal ions could occur through the d bands interaction. Here, it is demonstrated that the anionic redox chemistry is associated with the anisotropic structural behavior of the layered cathode materials albeit without providing additional capacities exceeding the theoretical values. These findings will provide a foundation of a new chapter in the understanding of the properties of materials.
Collapse
Affiliation(s)
- Wontae Lee
- Department of Energy Science, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Soyeong Yun
- Department of Energy Science, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Hao Li
- Department of Chemistry, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Jaeyoung Kim
- Department of Energy Science, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Hayeon Lee
- Department of Energy Science, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Kyeongkeun Kwon
- Department of Energy Science, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Jin Yong Lee
- Department of Chemistry, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Young-Min Choi
- Advanced Materials R&D, LG Chem, Daejeon, 34122, South Korea
| | - Won-Sub Yoon
- Department of Energy Science, Sungkyunkwan University, Suwon, 16419, South Korea
| |
Collapse
|