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Sodium Storage Performance of Bamboo-Derived Hard Carbon Materials Prepared by Different Impurity Removal Processes
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Haojie DU1, 2, Lei ZHANG1, 2, Qinmeng WANG1, 2, Xueyi GUO1, 2, Qinghua TIAN1, 2, Hui TONG1, 2, Zhiqiang XUE3, Yuecheng LUO4
Mining and Metallurgical Engineering | 2025, 45(4) : 158 - 163
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Mining and Metallurgical Engineering | 2025, 45(4): 158-163
• MATERIALS •
Sodium Storage Performance of Bamboo-Derived Hard Carbon Materials Prepared by Different Impurity Removal Processes
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Haojie DU1, 2, Lei ZHANG1, 2, Qinmeng WANG1, 2, Xueyi GUO1, 2, Qinghua TIAN1, 2, Hui TONG1, 2, Zhiqiang XUE3, Yuecheng LUO4
Affiliations
  • 1.School of Metallurgy and Environment, Central South University, Changsha 410083, Hunan, China
  • 2.China Clean Metallurgical Engineering Research Center, China Nonferrous Metals Industry Association, Changsha 410083, Hunan, China
  • 3.Chengde Yaou Nuts & Seeds Co., Ltd., Chengde 067506, Hebei, China
  • 4.Hunan Great Wall New Energy Co., Ltd., Shaoyang 422000, Hunan, China
Published: 2025-08-01 doi: 10.3969/j.issn.0253-6099.2025.04.029
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With bamboo as a raw material, different hard carbon materials were prepared by different impurity removal processes, and the effects of those processes on the impurity content, physical structure and sodium storage performance of hard carbon were explored. The results show that after impurity removal treatment, the bamboo-derived hard carbon has reduced impurity content and specific surface area, and increased interlayer spacing. With the preparation cost and the sodium storage performance of hard carbon comprehensively taken into consideration, acid leaching is chosen as the impurity removal process for hard carbon. It is shown that at a current density of 30 mA/g, the anode material with prepared hard carbon can have an initial Coulombic efficiency of 83.87% and a reversible specific capacity of 308.96 mAh/g；it demonstrates a capacity retention rate of 96.57% after 100 cycles at a current density of 300 mA/g, showing excellent sodium storage performance.

sodium-ion battery  /  anode material  /  hard carbon  /  bamboo  /  impurity removal  /  sodium storage performance
Haojie DU, Lei ZHANG, Qinmeng WANG, Xueyi GUO, Qinghua TIAN, Hui TONG, Zhiqiang XUE, Yuecheng LUO. Sodium Storage Performance of Bamboo-Derived Hard Carbon Materials Prepared by Different Impurity Removal Processes[J]. Mining and Metallurgical Engineering, 2025 , 45 (4) : 158 -163 . DOI: 10.3969/j.issn.0253-6099.2025.04.029
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doi: 10.3969/j.issn.0253-6099.2025.04.029
  • Receive Date：2025-02-27
  • Online Date：2026-03-05
  • Published：2025-08-01
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  • Received：2025-02-27
Funding
Affiliations
    1.School of Metallurgy and Environment, Central South University, Changsha 410083, Hunan, China
    2.China Clean Metallurgical Engineering Research Center, China Nonferrous Metals Industry Association, Changsha 410083, Hunan, China
    3.Chengde Yaou Nuts & Seeds Co., Ltd., Chengde 067506, Hebei, China
    4.Hunan Great Wall New Energy Co., Ltd., Shaoyang 422000, Hunan, 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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