会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明专利
    • Lithium secondary battery and composite negative electrode for the same
    • 锂二次电池及其复合负极
    • JP2011238404A
    • 2011-11-24
    • JP2010107470
    • 2010-05-07
    • Mie Univ国立大学法人三重大学
    • TAKEDA YASUOIMANISHI MASAYUKI
    • H01M4/134H01M10/052H01M12/08
    • Y02E60/128
    • PROBLEM TO BE SOLVED: To provide a lithium secondary battery capable of suppressing growth of a lithium dendrite and having a long life and a high level of safety.SOLUTION: A negative electrode active material layer composed of negative electrode active material is protected by a first layer composed of material having lithium ion conductivity. A second layer is provided between the negative electrode active material layer and the first layer. The second layer is composed of solid-liquid mixture having lithium ion conductivity. The solid-liquid mixture contains a solid polymer having a polyalkylene oxide chain, an ionic liquid having a reduction resistance to the negative electrode active material, and a lithium salt. The ionic liquid is preferably a salt of piperidinium or piperidinium derivative.
    • 解决的问题:提供能够抑制锂枝晶生长并具有长寿命和高安全性的锂二次电池。 解决方案:由负极活性材料构成的负极活性物质层由具有锂离子传导性的材料构成的第一层保护。 在负极活性物质层和第一层之间设置第二层。 第二层由具有锂离子传导性的固液混合物组成。 固体 - 液体混合物含有具有聚环氧烷链的固体聚合物,对负极活性物质具有还原性的离子液体和锂盐。 离子液体优选为哌啶鎓或哌啶鎓衍生物的盐。 版权所有(C)2012,JPO&INPIT