Li/α-Sn(HPO_4)_2电池及其反应机理
, PP. 378-382
Keywords: Li/α-Sn(HPO_4)_2电池,反应机理,嵌入反应
Abstract:
应用X射线衍射分析(XRD)、X射线光电子能谱分析(XPS)和三角波电位扫描研究了Li/α-Sn(HPO4)2电池的阴极反应机理.实验结果表明,电池反应的实质是锂在正极内进行电化学嵌入,并在达到一定的嵌入度后析出新相Sn.应用电化学暂态方法测得嵌入的锂离子于正极内部的化学扩散系数约为10-12~10-13cm2·s-1.
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