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Modification of LiNi0.6Co0.2Mn0.2O2 Cathode Materials via Boron Element-Doping for Lithium-ion Batteries
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Fangkun LI, Zhenbo LIU, Xijun XU, Jun LIU
Journal of the Chinese Ceramic Society | 2022, 50(1) : 37 - 46
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Journal of the Chinese Ceramic Society | 2022, 50(1): 37-46
• Research Articles •
Modification of LiNi0.6Co0.2Mn0.2O2 Cathode Materials via Boron Element-Doping for Lithium-ion Batteries
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Fangkun LI, Zhenbo LIU, Xijun XU, Jun LIU
Affiliations
  • School of Materials Science and Engineering, South China University of Technology, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, Guangzhou 510006, China

    • LI Fangkun (1994-), male, Doctoral candidate. E-mail:

About Author:

LI Fangkun (1994-), male, Doctoral candidate. E-mail:

Published: 2022-01-20 doi: 10.14062/j.issn.0454-5648.20210513
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Boron (B)-doped LiNi0.6Co0.2Mn0.2O2 cathode materials were prepared by oxalate co-precipitation and subsequent heat treatment. The effects of doping with different boron sources (B2O3, H3BO3 and LiBO2) on the morphology, structure and electrochemical properties of the materials were investigated. The X-ray diffracation and Rietveld refinement revealed that the B element was successfully doped into the material lattice. The electrochemical performance characterization showed that the doping effect of B2O3 was the best, with excellent rate performance (the specific discharge capacity was 145.1 mA·h/g at 5 C) and long-term cycle stability (the capacity retention ratio was 84.5% after 300 cycles at 1 C). The enhanced electrochemical performance is attributed to the fact that boron doping effectively reduces the surface residual lithium compound, enhances the structural stability of the material, effectively inhibits the voltage drop and improve the polarization phenomenon, and reduces the charge transfer resistance, thus inhibiting the capacity decay and achieving excellent electrochemical performance.

lithium-ion batteries  /  nickel-rich cathode materials  /  structure control  /  boron element-doping  /  voltage drop
李方坤, 刘政波, 许希军, 刘军. 锂离子电池LiNi0.6Co0.2Mn0.2O2正极材料的硼元素掺杂改性调控. 硅酸盐学报, 2022 , 50 (1) : 37 -46 . DOI: 10.14062/j.issn.0454-5648.20210513
Fangkun LI, Zhenbo LIU, Xijun XU, Jun LIU. Modification of LiNi0.6Co0.2Mn0.2O2 Cathode Materials via Boron Element-Doping for Lithium-ion Batteries[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (1) : 37 -46 . DOI: 10.14062/j.issn.0454-5648.20210513
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Year 2022 volume 50 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20210513
  • Receive Date：2021-06-27
  • Online Date：2026-10-22
  • Published：2022-01-20
Article Data
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History
  • Received：2021-06-27
  • Revised：2021-08-02
Funding
Affiliations
    School of Materials Science and Engineering, South China University of Technology, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, Guangzhou 510006, China

Corresponding:

LIU Jun (1982-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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