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Synthesis of High-Performance Silicon-Carbon Anode Materials with Silicon Extracted from Blast Furnace Slag for Lithium-Ion Batteries
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Siming LIU, Junkai ZHAO, Bicheng MENG, Hao ZHANG, Wenxin TIAN, Juan YU
Mining and Metallurgical Engineering | 2024, 44(4) : 54 - 60
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Mining and Metallurgical Engineering | 2024, 44(4): 54-60
• SPECIAL ISSUE: BATTERY MATERIALS •
Synthesis of High-Performance Silicon-Carbon Anode Materials with Silicon Extracted from Blast Furnace Slag for Lithium-Ion Batteries
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Siming LIU, Junkai ZHAO, Bicheng MENG, Hao ZHANG, Wenxin TIAN, Juan YU
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  • School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China
Published: 2024-08-01 doi: 10.3969/j.issn.0253-6099.2024.04.010
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With silicon material (BFSi) extracted from blast furnace slag as silicon source and polyacrylonitrile (PAN) as carbon source, a kind of silicon-carbon anode material for lithium-ion batteries was synthesized. And the influence of ratio of silicon to polyacrylonitrile on the BFSi@C material was investigated. Results show that BFSi@C synthesized with BFSi and PAN in a mass ratio of 3∶1 delivers an initial charge capacity of 1 884.99 mAh/g at a current density of 0.5 A/g. After 100 cycles, it still delivers a specific charge capacity of 1 509.32 mAh/g, with a capacity retention rate of 80.07%. Moreover, it presents excellent rate performance at high current densities. Compared with commercial silicon materials, BFSi@C demonstrates higher cycle capacity and superior rate performance, delivering a specific capacity up to 538.31 mAh/g at a current density of 5 A/g.

blast furnace slag  /  silicon material  /  polyacrylonitrile  /  lithium-ion battery  /  silicon-carbon anode  /  electrochemical performance
Siming LIU, Junkai ZHAO, Bicheng MENG, Hao ZHANG, Wenxin TIAN, Juan YU. Synthesis of High-Performance Silicon-Carbon Anode Materials with Silicon Extracted from Blast Furnace Slag for Lithium-Ion Batteries[J]. Mining and Metallurgical Engineering, 2024 , 44 (4) : 54 -60 . DOI: 10.3969/j.issn.0253-6099.2024.04.010
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Year 2024 volume 44 Issue 4
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doi: 10.3969/j.issn.0253-6099.2024.04.010
  • Receive Date：2024-03-21
  • Online Date：2026-03-18
  • Published：2024-08-01
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  • Received：2024-03-21
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    School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, 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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