1
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Lei Y, Wang S, Zhao L, Li C, Wang G, Qiu J. Entropy Engineering Constrain Phase Transitions Enable Ultralong-life Prussian Blue Analogs Cathodes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2402340. [PMID: 38666424 PMCID: PMC11267327 DOI: 10.1002/advs.202402340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/06/2024] [Indexed: 07/25/2024]
Abstract
Prussian blue analogs (PBAs) are considered as one of the most potential electrode materials in capacitive deionization (CDI) due to their unique 3D framework structure. However, their practical applications suffer from low desalination capacity and poor cyclic stability. Here, an entropy engineering strategy is proposed that incorporates high-entropy (HE) concept into PBAs to address the unfavorable multistage phase transitions during CDI desalination. By introducing five or more metals, which share N coordination site, high-entropy hexacyanoferrate (HE-HCF) is constructed, thereby increasing the configurational entropy of the system to above 1.5R and placing it into the high-entropy category. As a result, the developed HE-HCF demonstrates remarkable cycling performance, with a capacity retention rate of over 97% after undergoing 350 ultralong-life cycles of adsorption/desorption. Additionally, it exhibits a high desalination capacity of 77.24 mg g-1 at 1.2 V. Structural characterization and theoretical calculation reveal that high configurational entropy not only helps to restrain phase transition and strengthen structural stability, but also optimizes Na+ ions diffusion path and energy barrier, accelerates reaction kinetics and thus improves performance. This research introduces a new approach for designing electrodes with high performance, low cost, and long-lasting durability for capacitive deionization applications.
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Affiliation(s)
- Yuhao Lei
- School of Environment and Civil EngineeringResearch Center for Eco‐environmental EngineeringDongguan University of TechnologyDongguanGuangdong523106P. R. China
| | - Shiyong Wang
- School of Environment and Civil EngineeringResearch Center for Eco‐environmental EngineeringDongguan University of TechnologyDongguanGuangdong523106P. R. China
| | - Lin Zhao
- School of Environment and Civil EngineeringResearch Center for Eco‐environmental EngineeringDongguan University of TechnologyDongguanGuangdong523106P. R. China
- College of Chemical EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Changping Li
- School of Environment and Civil EngineeringResearch Center for Eco‐environmental EngineeringDongguan University of TechnologyDongguanGuangdong523106P. R. China
| | - Gang Wang
- School of Environment and Civil EngineeringResearch Center for Eco‐environmental EngineeringDongguan University of TechnologyDongguanGuangdong523106P. R. China
| | - Jieshan Qiu
- College of Chemical EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
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2
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Jang GG, Zhang Y, Keum JK, Bootwala YZ, Hatzell MC, Jassby D, Tsouris C. Neutron tomography of porous aluminum electrodes used in electrocoagulation of groundwater. FRONTIERS IN CHEMICAL ENGINEERING 2022. [DOI: 10.3389/fceng.2022.1046627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
In this work, neutron computed tomography (CT) is employed to investigate the dissolution of porous aluminum electrodes during electrocoagulation (EC). Porous electrodes were chosen in efforts to reduce electric power requirements by using larger surface-area electrodes, having both inner and outer surface, for the EC process. Neutron CT allowed 3D reconstruction of the porous electrodes, and image analysis provided the volume of each electrode vs. thickness, which can indicate whether the inner surface is effectively involved in EC reactions. For the anode, the volume decreased uniformly throughout the thickness of the electrode, indicating that both the outer and inner surface participated in electrochemical dissolution, while the volume of the cathode increased uniformly vs. thickness, indicating deposition of material on both the outer and inner surface. The attenuation coefficient vs. thickness, increased for both anode and cathode, indicating surface chemistry changes. For the anode, the attenuation coefficient increased slightly but uniformly, probably due to aluminum oxide formation on the surface of the anode. For the cathode, the attenuation coefficient increased more than for the anode and nonuniformly. The higher increase in the attenuation coefficient for the cathode is due to precipitation of aluminum hydroxide on the electrode surface, which added hydrogen. Image analysis also showed that, although the attenuation coefficient increased throughout the thickness of the electrode, most of the hydroxide deposition occurred on the outer surface. Energy analysis showed that porous electrodes can be used to reduce process energy requirements by as much as 4 times compared to solid electrodes.
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3
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Xiong J, Zhu Z, Ye W, Mu L, Lu X, Zhu J. Regulating Surface Wettability and Charge Density of Porous Carbon Particles by In Situ Growth of Polyaniline for Constructing an Efficient Electrical Percolation Network in Flow-Electrode Capacitive Deionization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:12263-12272. [PMID: 36177722 DOI: 10.1021/acs.langmuir.2c01885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Both electrical conductivity and surface wettability are required for the selection of active carbon materials in flow-electrode capacitive deionization, while a trade-off exists between these two properties. In this work, a hybrid material with a thin layer of polyaniline (PANI) coating on activated carbon (AC/PANI) was successfully developed to retain excellent electrical conductivity and acquire good surface wettability. By adjusting the dosage of initiator, AC/PANI composites with different loading fractions of PANI were obtained. The electrochemical testing demonstrated that the AC/PANI composites have higher specific capacitance and lower ion diffusion resistance compared to pure AC, resulting in better desalinization performance. Specifically, with a feed concentration of 1600 mg/L, excellent adsorption capacity and high charge efficiency can be simultaneously achieved at 13.51 mg/g and 92.21%, respectively. Benefiting from the formation of a continuous electrical percolation network and reduced solid/liquid interfacial transport resistance, a 39% enhancement of average salt adsorption rate (from 0.54 to 0.75 μmol/min/cm2) was obtained.
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Affiliation(s)
- Jingjing Xiong
- State key Laboratory of Materials-oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing211816, China
| | - Zetao Zhu
- State key Laboratory of Materials-oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing211816, China
| | - Wenkai Ye
- State key Laboratory of Materials-oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing211816, China
| | - Liwen Mu
- State key Laboratory of Materials-oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing211816, China
| | - Xiaohua Lu
- State key Laboratory of Materials-oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing211816, China
| | - Jiahua Zhu
- State key Laboratory of Materials-oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing211816, China
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4
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Enhanced capacitive removal of hardness ions by hierarchical porous carbon cathode with high mesoporosity and negative surface charges. J Colloid Interface Sci 2022; 612:277-286. [PMID: 34995864 DOI: 10.1016/j.jcis.2021.12.156] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 11/21/2022]
Abstract
Capacitive deionization (CDI), as a promising desalination technology, has been widely applied for water purification, heavy metal removal and water softening. In this study, the hierarchical porous carbon (HPC) with extremely large specific surface area (∼1636 m2 g-1), high mesoporosity and negative surface charges, was successfully prepared by one-step carbonization of magnesium citrate and acid etching. HPC carbonized at 800 ℃ exhibited an excellent specific capacitance (207.2 F g-1). The negative surface charge characteristic of HPC was demonstrated by potential of zero charge test. With HPC-800 as a CDI cathode, the super high adsorption capacity of hardness ions (Mg2+: 472 μmol g-1, Ca2+: 425 μmol g-1) with ultrafast adsorption rate was realized, attributed to its abundant mesoporous structure and negative surface charges. The priority order of ion adsorption on HPC in the multi-component salt solution was Mg2+ > Ca2+ > K+ ≈ Na+. The desalination and softening of the actual brackish water have been simultaneously achieved by three-cell CDI stack after four times of adsorption, with 63% decrease of total dissolved solids and 76% reduction of hardness. The current HPC material with outstanding adsorption performance for hardness ions shows great potential in brackish water purification.
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5
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Li Q, Xu X, Guo J, Hill JP, Xu H, Xiang L, Li C, Yamauchi Y, Mai Y. Two‐Dimensional MXene‐Polymer Heterostructure with Ordered In‐Plane Mesochannels for High‐Performance Capacitive Deionization. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202111823] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Qian Li
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Xingtao Xu
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Jingru Guo
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Jonathan P. Hill
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Haishan Xu
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Luoxing Xiang
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Chen Li
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Yusuke Yamauchi
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
- Australian Institute for Bioengineering and Nanotechnology (AIBN) and School of Chemical Engineering The University of Queensland Brisbane QLD 4072 Australia
| | - Yiyong Mai
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
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6
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Li Q, Xu X, Guo J, Hill JP, Xu H, Xiang L, Li C, Yamauchi Y, Mai Y. Two-Dimensional MXene-Polymer Heterostructure with Ordered In-Plane Mesochannels for High-Performance Capacitive Deionization. Angew Chem Int Ed Engl 2021; 60:26528-26534. [PMID: 34748252 DOI: 10.1002/anie.202111823] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Indexed: 11/11/2022]
Abstract
The application of traditional electrode materials for high-performance capacitive deionization (CDI) has been persistently limited by their low charge-storage capacities, excessive co-ion expulsion and slow salt removal rates. Here we report a bottom-up approach to the preparation of a two-dimensional (2D) Ti3 C2 Tx MXene-polydopamine heterostructure having ordered in-plane mesochannels (denoted as mPDA/MXene). Interfacial self-assembly of mesoporous polydopamine (mPDA) monolayers on MXene nanosheets leads to the mPDA/MXene heterostructure, which exhibits several unique features: (1) MXene undergoes reversible ion intercalation/deintercalation and possesses high conductivity; (2) mPDA layers establish redox capacitive characteristics and Na+ selectivity, and also help to prevent self-stacking and oxidation of MXene; (3) in-plane mesochannels enable the smooth transport of ions at the internal spaces of this stacked 2D material. When applied as an electrode material for CDI, mPDA/MXene nanosheets exhibit top-level CDI performance and cycling stability compared to those of the so far reported 2D materials. Our study opens an avenue for the rational construction of MXene-organic hybrid heterostructures, and further motivates the development of high-performance CDI electrode materials.
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Affiliation(s)
- Qian Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Xingtao Xu
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Jingru Guo
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Jonathan P Hill
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Haishan Xu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Luoxing Xiang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Chen Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Yusuke Yamauchi
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.,Australian Institute for Bioengineering and Nanotechnology (AIBN) and School of Chemical Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Yiyong Mai
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
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7
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Butcher TA, Prendeville L, Rafferty A, Trtik P, Boillat P, Coey JMD. Neutron Imaging of Paramagnetic Ions: Electrosorption by Carbon Aerogels and Macroscopic Magnetic Forces. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2021; 125:21831-21839. [PMID: 34676016 PMCID: PMC8521529 DOI: 10.1021/acs.jpcc.1c06031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/20/2021] [Indexed: 06/13/2023]
Abstract
The electrosorption of Gd3+ ions from an aqueous 70 mM Gd(NO3)3 solution in monolithic carbon aerogel electrodes was recorded by dynamic neutron imaging. The aerogels have a bimodal pore size distribution consisting of macropores and mesopores centered at 115 and 15 nm, respectively. After the uptake of Gd3+ ions by the negatively charged surface of the porous structure, an inhomogeneous magnetic field was applied to the system of discharging electrodes. This led to a convective flow and confinement of Gd(NO3)3 solution in the magnetic field gradient. Thus, a way to desalt and capture paramagnetic ions from an initially homogeneous solution is established.
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Affiliation(s)
- Tim A. Butcher
- School
of Physics and CRANN, Trinity College, Dublin 2, Ireland
| | | | - Aran Rafferty
- AMBER
Centre and School of Chemistry, Trinity
College, Dublin 2, Ireland
| | - Pavel Trtik
- Laboratory
for Neutron Scattering and Imaging, Paul
Scherrer Institut, Villigen CH-5232, Switzerland
| | - Pierre Boillat
- Laboratory
for Neutron Scattering and Imaging, Paul
Scherrer Institut, Villigen CH-5232, Switzerland
- Electrochemistry
Laboratory, Paul Scherrer Institut, Villigen CH-5232, Switzerland
| | - J. M. D. Coey
- School
of Physics and CRANN, Trinity College, Dublin 2, Ireland
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8
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Shi W, Liu X, Deng T, Huang S, Ding M, Miao X, Zhu C, Zhu Y, Liu W, Wu F, Gao C, Yang SW, Yang HY, Shen J, Cao X. Enabling Superior Sodium Capture for Efficient Water Desalination by a Tubular Polyaniline Decorated with Prussian Blue Nanocrystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1907404. [PMID: 32656808 DOI: 10.1002/adma.201907404] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 05/26/2020] [Indexed: 06/11/2023]
Abstract
The application of electrochemical energy storage materials to capacitive deionization (CDI), a low-cost and energy-efficient technology for brackish water desalination, has recently been proven effective in solving problems of traditional CDI electrodes, i.e., low desalination capacity and incompatibility in high salinity water. However, Faradaic electrode materials suffer from slow salt removal rate and short lifetime, which restrict their practical usage. Herein, a simple strategy is demonstrated for a novel tubular-structured electrode, i.e., polyaniline (PANI)-tube-decorated with Prussian blue (PB) nanocrystals (PB/PANI composite). This composite successfully combines characteristics of two traditional Faradaic materials, and achieves high performance for CDI. Benefiting from unique structure and rationally designed composition, the obtained PB/PANI exhibits superior performance with a large desalination capacity (133.3 mg g-1 at 100 mA g-1 ), and ultrahigh salt-removal rate (0.49 mg g-1 s-1 at 2 A g-1 ). The synergistic effect, interfacial enhancement, and desalination mechanism of PB/PANI are also revealed through in situ characterization and theoretical calculations. Particularly, a concept for recovery of the energy applied to CDI process is demonstrated. This work provides a facile strategy for design of PB-based composites, which motivates the development of advanced materials toward high-performance CDI applications.
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Affiliation(s)
- Wenhui Shi
- Center for Membrane Separation and Water Science & Technology, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Xiaoyue Liu
- Center for Membrane Separation and Water Science & Technology, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Tianqi Deng
- Institute of High Performance Computing, Agency for Science Technology and Research, 1 Fusionopolis Way, #16-16 Connexis, Singapore, 138632, Singapore
| | - Shaozhuan Huang
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372, Singapore
| | - Meng Ding
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372, Singapore
| | - Xiaohe Miao
- Instrumentation and Service Center for Physical Sciences, Westlake University, 18 Shilongshan Road, Cloud Town, Hangzhou, 310024, China
| | - Chongzhi Zhu
- Center for Electron Microscopy, State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology and College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Yihan Zhu
- Center for Electron Microscopy, State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology and College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Wenxian Liu
- College of Materials Science and Engineering, and State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Fangfang Wu
- College of Materials Science and Engineering, and State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Congjie Gao
- Center for Membrane Separation and Water Science & Technology, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Shuo-Wang Yang
- Institute of High Performance Computing, Agency for Science Technology and Research, 1 Fusionopolis Way, #16-16 Connexis, Singapore, 138632, Singapore
| | - Hui Ying Yang
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372, Singapore
| | - Jiangnan Shen
- Center for Membrane Separation and Water Science & Technology, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
| | - Xiehong Cao
- College of Materials Science and Engineering, and State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou, 310014, China
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9
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Xie J, Ma J, Wu L, Xu M, Ni W, Yan YM. Carbon nanotubes in-situ cross-linking the activated carbon electrode for high-performance capacitive deionization. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116593] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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10
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Kim YH, Tang K, Chang J, Sharma K, Yiacoumi S, Mayes R, Bilheux H, Santodonato L, Tsouris C. Potential limits of capacitive deionization and membrane capacitive deionization for water electrolysis. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1608243] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Y.-H. Kim
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Department of Environmental Sciences, Louisiana State University, Baton Rouge, LA, USA
| | - K. Tang
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China
- Institute of Process Engineering, Division of Environment Technology and Engineering, Beijing Engineering Research Center of Process Pollution Control, Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, PR China
| | - J. Chang
- Institute of Process Engineering, Division of Environment Technology and Engineering, Beijing Engineering Research Center of Process Pollution Control, Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, PR China
| | - K. Sharma
- Civil Engineering, Indian Institute of Technology Gandhinagar, Gandhinagar, Gujarat, India
| | - S. Yiacoumi
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - R.T. Mayes
- Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - H.Z. Bilheux
- Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | | | - C. Tsouris
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Oak Ridge National Laboratory, Oak Ridge, TN, USA
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11
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Efficient regeneration of activated carbon electrode by half-wave rectified alternating fields in capacitive deionization system. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.12.098] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Shi W, Ye C, Xu X, Liu X, Ding M, Liu W, Cao X, Shen J, Yang HY, Gao C. High-Performance Membrane Capacitive Deionization Based on Metal-Organic Framework-Derived Hierarchical Carbon Structures. ACS OMEGA 2018; 3:8506-8513. [PMID: 31458979 PMCID: PMC6644619 DOI: 10.1021/acsomega.8b01356] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 07/20/2018] [Indexed: 05/26/2023]
Abstract
Membrane capacitive deionization (MCDI) is a simple and highly energy efficient method to convert brackish water to clean water. In this work, a high-performance MCDI electrode architecture, which is composed of three-dimensional graphene networks and metal-organic frameworks (MOFs)-derived porous carbon rods, was prepared by a facile method. The obtained electrode material possesses not only the conducting networks for rapid electron transport but also the short diffusion length of ions, which exhibits excellent desalination performance with a high salt removal capacity, i.e., 37.6 mg g-1 at 1.2 V in 1000 mg L-1 NaCl solution. This strategy can be extended to other MOF-derived MCDI electrodes.
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Affiliation(s)
- Wenhui Shi
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
- Huzhou
Institute of Collaborative Innovation Center for Membrane Separation
and Water Treatment, Zhejiang University
of Technology, 1366 Hongfeng Road, 313000 Huzhou, Zhejiang, China
| | - Chenzeng Ye
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
| | - Xilian Xu
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
| | - Xiaoyue Liu
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
| | - Meng Ding
- Pillar
of Engineering Product Development, Singapore
University of Technology and Design, 8 Somapah Road, 487372 Singapore
| | - Wenxian Liu
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
| | - Xiehong Cao
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
| | - Jiangnan Shen
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
- Huzhou
Institute of Collaborative Innovation Center for Membrane Separation
and Water Treatment, Zhejiang University
of Technology, 1366 Hongfeng Road, 313000 Huzhou, Zhejiang, China
| | - Hui Ying Yang
- Pillar
of Engineering Product Development, Singapore
University of Technology and Design, 8 Somapah Road, 487372 Singapore
| | - Congjie Gao
- Center for Membrane and Water Science and Technology,
Ocean College and College of Materials
Science and Engineering, Zhejiang University
of Technology, 18 Chaowang Road, 310014 Hangzhou, China
- Huzhou
Institute of Collaborative Innovation Center for Membrane Separation
and Water Treatment, Zhejiang University
of Technology, 1366 Hongfeng Road, 313000 Huzhou, Zhejiang, China
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13
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Jung Y, Yang Y, Kim T, Shin HS, Hong S, Cha S, Kwon S. Enhanced Electrochemical Stability of a Zwitterionic-Polymer-Functionalized Electrode for Capacitive Deionization. ACS APPLIED MATERIALS & INTERFACES 2018; 10:6207-6217. [PMID: 29384362 DOI: 10.1021/acsami.7b14609] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
In capacitive deionization, the salt-adsorption capacity of the electrode is critical for the efficient softening of brackish water. To improve the water-deionization capacity, the carbon electrode surface is modified with ion-exchange resins. Herein, we introduce the encapsulation of zwitterionic polymers over activated carbon to provide a resistant barrier that stabilizes the structure of electrode during electrochemical performance and enhances the capacitive deionization efficiency. Compared to conventional activated carbon, the surface-modified activated carbon exhibits significantly enhanced capacitive deionization, with a salt adsorption capacity of ∼2.0 × 10-4 mg/mL and a minimum conductivity of ∼43 μS/cm in the alkali-metal ions solution. Encapsulating the activated-carbon surface increased the number of ions adsorption sites and the surface area of the electrode, which improved the charge separation and deionization efficiency. In addition, the coating layer suppresses side reactions between the electrode and electrolyte, thus providing a stable cyclability. Our experimental findings suggest that the well-distributed coating layer leads to a synergistic effect on the enhanced electrochemical performance. In addition, density functional theory calculation reveals that a favorable binding affinity exists between the alkali-metal ion and zwitterionic polymer, which supports the preferable salt ions adsorption on the coating layer. The results provide useful information for designing more efficient capacitive-deionization electrodes that require high electrochemical stability.
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Affiliation(s)
- Youngsuk Jung
- Analytical Science Group, Samsung Advanced Institute of Technology , Suwon, Gyeonggi 16678, Korea
| | - Yooseong Yang
- Energy Lab, Samsung Advanced Institute of Technology , Suwon, Gyeonggi 16678, Korea
| | - Taeyoon Kim
- Department of Civil and Environmental Engineering, Pusan National University , Busan 46241, Korea
| | - Hyun Suk Shin
- Department of Civil and Environmental Engineering, Pusan National University , Busan 46241, Korea
| | - Sunghoon Hong
- Department of Civil and Environmental Engineering, Pusan National University , Busan 46241, Korea
| | - Sungmin Cha
- Jeolla Namdo Environmental Industries Promotion Institute , Gangjin-gun, Jeollanam-do 527-881, Korea
| | - Soonchul Kwon
- Department of Civil and Environmental Engineering, Pusan National University , Busan 46241, Korea
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Yan T, Xu B, Zhang J, Shi L, Zhang D. Ion-selective asymmetric carbon electrodes for enhanced capacitive deionization. RSC Adv 2018; 8:2490-2497. [PMID: 35541459 PMCID: PMC9077380 DOI: 10.1039/c7ra10443j] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 12/26/2017] [Indexed: 11/21/2022] Open
Abstract
With the development of capacitive deionization technology, charge efficiency and electrosorption capacity have become some of the biggest technical bottlenecks. Asymmetric activated carbon electrodes with ion-selective functional groups inspired by membrane capacitive deionization were developed to conquer these issues. The deionization capacity increased from 11.0 mg g-1 to 23.2 mg g-1, and the charge efficiency increased from 0.54 to 0.84, due to ion-selective functional groups minimizing the co-ion effect. The charge efficiency and electrosorption capacity resulting from better wettability of these electrodes are effectively enhanced by grafting ion-selective functional groups, which are propitious to ion movement. In addition, asymmetric deionization capacitors show better cycling stability and higher desalination rates. These experimental results have demonstrated that the modification of the ion-selective (oxygen-containing) functional groups on the surfaces of activated carbon could greatly minimize the co-ion effects and increase the salt removal from the solution. These results have indicated that the ion-selective asymmetric carbon electrodes can promote well the development of deionization capacitors for practical desalination.
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Affiliation(s)
- Tingting Yan
- Research Center of Nano Science and Technology, Shanghai University Shanghai 200444 China +86 21 66136079
| | - Baoxia Xu
- Research Center of Nano Science and Technology, Shanghai University Shanghai 200444 China +86 21 66136079
| | - Jianping Zhang
- Research Center of Nano Science and Technology, Shanghai University Shanghai 200444 China +86 21 66136079
| | - Liyi Shi
- Research Center of Nano Science and Technology, Shanghai University Shanghai 200444 China +86 21 66136079
| | - Dengsong Zhang
- Research Center of Nano Science and Technology, Shanghai University Shanghai 200444 China +86 21 66136079
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15
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Gabitto J, Tsouris C. Surface transport processes in charged porous media. J Colloid Interface Sci 2017; 498:91-104. [DOI: 10.1016/j.jcis.2017.03.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 02/20/2017] [Accepted: 03/01/2017] [Indexed: 11/27/2022]
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16
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Kim YH, Park LK, Yiacoumi S, Tsouris C. Modular Chemical Process Intensification: A Review. Annu Rev Chem Biomol Eng 2017; 8:359-380. [DOI: 10.1146/annurev-chembioeng-060816-101354] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yong-ha Kim
- Georgia Institute of Technology, Atlanta, Georgia 30332-0373
| | - Lydia K. Park
- Georgia Institute of Technology, Atlanta, Georgia 30332-0373
| | - Sotira Yiacoumi
- Georgia Institute of Technology, Atlanta, Georgia 30332-0373
| | - Costas Tsouris
- Georgia Institute of Technology, Atlanta, Georgia 30332-0373
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6181
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17
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Su X, Hatton TA. Electrosorption at functional interfaces: from molecular-level interactions to electrochemical cell design. Phys Chem Chem Phys 2017; 19:23570-23584. [DOI: 10.1039/c7cp02822a] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This perspective discusses the fundamental processes behind electrosorption at charged interfaces, and highlights advances in electrode design for sustainable technologies in water purification and ion-selective separations.
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Affiliation(s)
- Xiao Su
- Department of Chemical Engineering
- Massachusetts Institute of Technology
- Cambridge
- United States
| | - T. Alan Hatton
- Department of Chemical Engineering
- Massachusetts Institute of Technology
- Cambridge
- United States
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18
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Gabitto J, Tsouris C. Modeling the Capacitive Deionization Process in Dual-Porosity Electrodes. Transp Porous Media 2016. [DOI: 10.1007/s11242-016-0688-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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19
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Zhu G, Wang H, Zhang L. A comparative study on electrosorption behavior of carbon nanotubes electrodes fabricated via different methods. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.02.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Abstract
Mesocarbon microbead material exhibited electrosorption capacity of 17.7 mg g−1 at 1.5 V, which is two times larger than that of commercial used activated carbon. Furthermore, MCMBs electrodes possess an excellent cycle stability.
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Affiliation(s)
- Liang Chang
- Department of Materials Science and Engineering
- Michigan Technological University
- Houghton
- USA
| | - Yun Hang Hu
- Department of Materials Science and Engineering
- Michigan Technological University
- Houghton
- USA
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21
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Abstract
Mesoporous carbon materials have been extensively studied because of their vast potential applications ranging from separation and adsorption, catalysis, and electrochemistry to energy storage.
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Affiliation(s)
- Wang Xin
- College of Water Science
- Beijing Normal University
- Beijing 100875
- China
- State Key Laboratory of Environmental Criteria and Risk Assessment
| | - Yonghui Song
- College of Water Science
- Beijing Normal University
- Beijing 100875
- China
- State Key Laboratory of Environmental Criteria and Risk Assessment
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