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DENG Qijiu,TIAN Congcong,FENG Shuaishuai,HUI Peng,YAN Yinglin,YANG Rong,XU Yunhua.Research Progress in Modifications of Ni-rich Ternary Cathode Material(LiNi1-x-yCoxMnyO2) for Lithium-ion Batteries[J].JOURNAL OF POWER SUPPLY,2019,17(5):153-161
Research Progress in Modifications of Ni-rich Ternary Cathode Material(LiNi1-x-yCoxMnyO2) for Lithium-ion Batteries
Received:July 25, 2018  Revised:November 15, 2018
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DOI:10.13234/j.issn.2095-2805.2019.5.153
Keywords:lithium-ion battery  cathode material  Ni-rich ternary material  modification
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DENG Qijiu School of Materials Science and Engineering, Xi'an University of Technology, Xi'an , China dengqijiu@hotmail.com
TIAN Congcong School of Materials Science and Engineering, Xi'an University of Technology, Xi'an , China
FENG Shuaishuai School of Materials Science and Engineering, Xi'an University of Technology, Xi'an , China
HUI Peng School of Sciences, Xi'an University of Technology, Xi'an , China
YAN Yinglin School of Sciences, Xi'an University of Technology, Xi'an , China
YANG Rong School of Sciences, Xi'an University of Technology, Xi'an , China
XU Yunhua School of Materials Science and Engineering, Xi'an University of Technology, Xi'an , China;School of Chemistry and Chemical Engineering, Yulin University, Yulin , China
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Abstract:
      With the rapid development of new energy industry, higher requirements have been put forward for the comprehensive performance of energy storage materials and devices. Lithium-ion cathode materials, especially Ni-rich ternary material(LiNi1-x-yCoxMnyO2), are considered as one of the superior candidates for commercialized cathode materia-ls for the next generation power batteries owing to their high energy density, high working voltage, excellent chemical stability, etc. The advantages of Ni-rich ternary material LiNi1-x-yCoxMnyO2 are summarized systematically, and the urgent problems are pointed out. On this basis, their modification methodologies are reviewed, including doping cations and anions, surface coating, design of concentration gradient materials, and graphene compounding. Finally, the development directions and commercial applications in the future are projected.
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