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Expanded Graphite-Loaded Bimetallic Sulfide Derived from Anode Materials of Spent Lithium-Ion Batteries
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Chengqing DENG1, 2, Hui CHEN2, Wentao LIU2, Aiying LEI1, Feiyan LAI1, 2, Xiaohui ZHANG1, 2
Mining and Metallurgical Engineering | 2024, 44(5) : 168 - 173
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Mining and Metallurgical Engineering | 2024, 44(5): 168-173
• MATERIALS •
Expanded Graphite-Loaded Bimetallic Sulfide Derived from Anode Materials of Spent Lithium-Ion Batteries
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Chengqing DENG1, 2, Hui CHEN2, Wentao LIU2, Aiying LEI1, Feiyan LAI1, 2, Xiaohui ZHANG1, 2
Affiliations
  • 1.School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, Guangxi, China
  • 2.Guangxi Key Laboratory of Comprehensive Utilization of Calcium Carbonate Resources, Hezhou University, Hezhou 542899, Guangxi, China
Published: 2024-10-01 doi: 10.3969/j.issn.0253-6099.2024.05.034
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The expanded graphite (EG) derived from the graphite anodes of spent lithium-ion batteries was taken as conductive substrate, and then Sn/Co-based bimetallic sulfide was loaded by using a hydrothermal method to synthesize SnCoS4@EG nanocomposite. And such EG presents a cross-linked porous three-dimensional lattice, and the SnCoS4 nanocrystals in the synthesized composite are uniformly dispersed in the EG, which enhances electrical conductivity of electrode material and stability of metallic sulfide, but also increases the contact area between active sites and electrolyte, leading to a higher exchange rate of Li+ ions at electrode/electrolyte interface. It is shown that SnCoS4@EG electrode can exhibit a reversible specific capacity of 1 195.90 mAh/g at 1.0 A/g after 500 cycles, presenting excellent durability over a large number of cycles.

lithium-ion battery  /  anode material  /  recycling  /  expanded graphite  /  bimetallic sulfide
Chengqing DENG, Hui CHEN, Wentao LIU, Aiying LEI, Feiyan LAI, Xiaohui ZHANG. Expanded Graphite-Loaded Bimetallic Sulfide Derived from Anode Materials of Spent Lithium-Ion Batteries[J]. Mining and Metallurgical Engineering, 2024 , 44 (5) : 168 -173 . DOI: 10.3969/j.issn.0253-6099.2024.05.034
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Year 2024 volume 44 Issue 5
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.05.034
  • Receive Date：2024-04-30
  • Online Date：2026-03-17
  • Published：2024-10-01
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  • Received：2024-04-30
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Affiliations
    1.School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, Guangxi, China
    2.Guangxi Key Laboratory of Comprehensive Utilization of Calcium Carbonate Resources, Hezhou University, Hezhou 542899, Guangxi, 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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