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Preparation of Anode Material with Fine Flake Graphite from Inner Mongolia
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Yu ZHANG1, 2, Yangshuai QIU1, 2, Lingyan ZHANG1, 2, Wenbo LIANG1, 2, Zhenfei MAO1, 2
Mining and Metallurgical Engineering | 2023, 43(4) : 147 - 153
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Mining and Metallurgical Engineering | 2023, 43(4): 147-153
• MATERIALS •
Preparation of Anode Material with Fine Flake Graphite from Inner Mongolia
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Yu ZHANG1, 2, Yangshuai QIU1, 2, Lingyan ZHANG1, 2, Wenbo LIANG1, 2, Zhenfei MAO1, 2
Affiliations
  • 1.School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
  • 2.Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan 430070, Hubei, China
Published: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.032
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A kind of flake graphite with grain size D50 of 40.3 μm from Inner Mongolia was taken in a spherification test by adopting a QCJ vortex micropulverizer, and two kinds of spherical products with D50 of 16.42 μm and 11.68 μm respectively were obtained, of which the corresponding tapped density increased from 0.46 g/cm3 to 0.95 g/cm3 and 0.80 g/cm3 respectively, presenting a total spherification rate of 50.48%. The spherical products were purified with mixed acid, with the fixed carbon content therein up to 99.95% and 99.97% respectively, and then the electrochemical performance of the products was tested. The anode material with those two products delivered initial discharge specific capacities of 366.60 mAh/g and 364.30 mAh/g, respectively, and presented initial charge-discharge efficiency of 93.40% and 92.32%, respectively. It is shown that the capacity retention rate can exceed 99% after 30 cycles at 0.1C current.

Li-ion battery  /  flake graphite  /  spherification  /  anode material  /  purification with mixed acid  /  electrochemical test
Yu ZHANG, Yangshuai QIU, Lingyan ZHANG, Wenbo LIANG, Zhenfei MAO. Preparation of Anode Material with Fine Flake Graphite from Inner Mongolia[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 147 -153 . DOI: 10.3969/j.issn.0253-6099.2023.04.032
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Year 2023 volume 43 Issue 4
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.04.032
  • Receive Date：2023-02-13
  • Online Date：2026-03-05
  • Published：2023-08-01
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  • Received：2023-02-13
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Affiliations
    1.School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
    2.Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan 430070, Hubei, China
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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
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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