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采用固体废弃物兰炭末制备锂离子电池负极材料 被引量：6

Fabrication of anode materials for a lithium-ion battery with waste semi-coke carbon powder
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摘要 以固体废弃物兰炭焦末为原料,通过硼(B)掺杂及高温处理制备出改性兰炭粉末材料。研究B掺杂量对其作为锂离子电池负极材料的影响。结果表明,B掺杂质量分数为8%时,经2 300℃高温处理,兰炭的电化学性能达到最佳,首次脱锂容量为361 m Ah/g,在1 C电流密度下经300次循环后,容量为314 m Ah/g,表现出较为优良的循环性能。 Waste semi-coke powder generated in semi-coke production and transportation was doped with 8 mass% boron by a high temperature treatment at 2 300 ℃. Results indicate that the doping overcomes the shortcomings of low coulombic efficiency, short cycle life, and there are no charge and discharge platforms due to a high content （ 15 mass% ） of impurity in the raw materials. The first discharge capacity is 361 mAh/g at a rate of 0.1 C and the reversible capacity is 314 mAh/g after 300 cycles at charge and discharge ratesof 1 C, showing excellent cycling performance.
作者 江行国 程晓华 文华 柳永宁
机构地区 西安交通大学金属材料强度国家重点实验室
出处 《新型炭材料》 SCIE EI CAS CSCD 北大核心 2014年第6期503-507,共5页 New Carbon Materials
基金 国家科技支撑计划(2009BAA20B02)~~
关键词 锂离子电池负极材料 石墨 兰炭 掺杂 热处理 Anode materials of lithium battery Graphite Lan carbon Doping Heat treatment
分类号 TM912 [电气工程—电力电子与电力传动] TQ127.11 [化学工程—无机化工]
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参考文献9

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二级参考文献18

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共引文献9

同被引文献51

引证文献6

二级引证文献43

新型炭材料
2014年 第6期

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