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Rb+ and Cl- Co-doped LiNi0.8Co0.1Mn0.1O2 Cathode Material for High-Performance Lithium Ion Batteries by One-Step Method
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Guifen YANG1, 2, Guangchang YANG2, Ming FANG2, Yishi YANG2, Feiyan LAI2
Mining and Metallurgical Engineering | 2024, 44(2) : 141 - 144
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Mining and Metallurgical Engineering | 2024, 44(2): 141-144
• MATERIALS •
Rb+ and Cl- Co-doped LiNi0.8Co0.1Mn0.1O2 Cathode Material for High-Performance Lithium Ion Batteries by One-Step Method
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Guifen YANG1, 2, Guangchang YANG2, Ming FANG2, Yishi YANG2, Feiyan LAI2
Affiliations
  • 1.Shenzhen Academy of Metrology and Quality Inspection, Shenzhen 518055, Guangdong, China
  • 2.Guangxi Key Laboratory of Calcium Carbonate Resources Comprehensive Utilization, Hezhou University, Hezhou 542899, Guangxi, China
Published: 2024-04-01 doi: 10.3969/j.issn.0253-6099.2024.02.032
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To solve the problem of structural instability of cathode material (LiNi0.8Co0.1Mn0.1O2)(NCM)) during cycling, a strategy of co-doping of Rb+ and Cl- was proposed for NCM materials. The synergistic effect of co-doping of Rb+ and Cl- in the NCM lattice can increase the diffusion rate of Li+ and relieve the internal strain, thus hindering the mixing of Li+/Ni2+ during high cut-off voltage cycling. Electrochemical test results show that Li0.99Rb0.01(Ni0.8Co0.1Mn0.1) O1.99Cl0.01 (RbCl-NCM) has a discharge capacity up to 176.9 mAh/g at a current density of 10C. The initial discharge capacity at 1C is 203.5 mAh/g. After 200 cycles, its capacity retention ratio is as high as 87.8%, showing an excellent cycling performance, while the capacity retention ratio of NCM material is only 57.3%.

lithium-ion battery  /  ternary cathode materials  /  nickel-rich laminated oxide  /  double-site doping  /  discharge capacity  /  current density  /  cycling performance  /  capacity retention
Guifen YANG, Guangchang YANG, Ming FANG, Yishi YANG, Feiyan LAI. Rb+ and Cl- Co-doped LiNi0.8Co0.1Mn0.1O2 Cathode Material for High-Performance Lithium Ion Batteries by One-Step Method[J]. Mining and Metallurgical Engineering, 2024 , 44 (2) : 141 -144 . DOI: 10.3969/j.issn.0253-6099.2024.02.032
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Year 2024 volume 44 Issue 2
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doi: 10.3969/j.issn.0253-6099.2024.02.032
  • Receive Date：2023-10-30
  • Online Date：2026-03-19
  • Published：2024-04-01
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  • Received：2023-10-30
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Affiliations
    1.Shenzhen Academy of Metrology and Quality Inspection, Shenzhen 518055, Guangdong, China
    2.Guangxi Key Laboratory of Calcium Carbonate Resources Comprehensive Utilization, Hezhou University, Hezhou 542899, Guangxi, China
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Citations
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
species		 占总种数比例
Percentage of total
species (%)
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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