自净化的初级溶解膜使得富含的阴极具有稳定的电极-电解质接口
Xinpeng Han1, Qianxin Xiang2, Chaoyi Zhou2
1School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
Nano letters
|August 8, 2023
概括
优化电解质的使用情况.
科学领域:
- 电化学 电化学 电化学
- 材料科学 材料科学 材料科学
背景情况:
- 电极-电解质接口对于电池性能至关重要.
- 溶解化学在稳定这些接口方面发挥着关键作用.
研究的目的:
- 为了研究电池性能和电极-电解质接口特性之间的相关性.
- 为了优化主溶解,以提高电池功能.
主要方法:
- 电解质溶解化学的实验和理论分析.
- 在离子和金属电池中优化初级溶解盖.
主要成果:
- 优化的溶解膜可以自行净化,清除HF和PF5.
- 稳定PF6离子衍生接口可以提高循环性能.
- NCM811//金属电池在250个周期内实现了99.9%的容量保留.
- NCM811//石墨离子电池在100个循环中显示了90.1%的保留率.
结论:
- 主要溶解有效调节阴极接口属性.
- 优化的溶解化学显著提高了电池循环稳定性和性能.
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