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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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新型锂离子电池负极材料cofe3sb12
Keywords: 锂离子电池,负极材料,cofe3sb12
Abstract:
？采用真空熔炼与高能球磨方法制备了cofe3sb12合金粉末，并研究了其电化学性能。研究结果表明cofe3sb12的活性元素sb可以与锂离子进行可逆电化学反应，其嵌锂产物为li3sb。cofe3sb12电极在20ma/g的电流密度下第一次可逆容量可以达到396mah/g。在材料中加入50at.%石墨(化学计量式为cofe3sb12-c16)，以100ma/g进行充放电时，第一次可逆容量达到380mah/g；而且其在大电流和小电流密度下的循环寿命皆比较优良。所以其可作为锂离子电池负极材料的候选材料。
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