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F/Mn共掺杂SnO2纳米粉体及其制备方法

成果领域:

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成果归属企业: 深圳大学

成果鉴定时间:

成果介绍

本发明公开了一种多孔硅复合负极材料及其制备方法和锂离子电池。本发明制备方法包括如下步骤：向粘结剂单体溶液中加入多孔硅，并进行混料处理，得到分散液；将所述分散液加热至100～200℃或/和向所述分散液中加入引发剂，促使粘结剂单体发生原位聚合反应等步骤。本发明锂离子电池含有本发明多孔硅复合负极材料。本发明多孔硅复合负极材料采用多孔硅与粘结剂在纳米尺度复合，在这种结构中，粘结剂就相当于预先形成的SEI膜，可减少多孔硅与电解液的接触面积，提高多孔硅的首次效率，同时，粘结剂贯穿整个多孔硅颗粒，可以有效的阻止多孔硅颗粒的粉化、脱落，提高极片结构的稳定性。

成果应用案例介绍

方法过程>制备方法>制备; 材料制品>电极材料>多孔硅复合负极材料; 电力动力>电池>锂离子电池

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