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大量阶段重建使水性离子电池的坚固金属阳极成为可能
Zefang Yang1, Chao Hu1, Qi Zhang1
1Hunan Provincial Key Laboratory of Chemical Power Sources, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China.
Angewandte Chemie (International ed. in English)
|July 6, 2023
概括
本研究介绍了水性离子电池中阳极的大批复重建策略. 这种方法增强了性,防止了树突的生长,并提高了电池的安全性和可持续性.
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
- 储能 储能 储能 储能 储能 储能
背景情况:
- 水性离子电池 (AZIB) 具有固有的安全优势.
- 然而,实际应用受到阳极树的生长和腐蚀的限制.
- 当前的阳极改造策略往往忽视了固有的阳极机制.
研究的目的:
- 为了解决阳极表面修饰的局限性.
- 为阳极提出一项新的批量阶段重建策略.
- 为了提高AZIB的稳定性和性能.
主要方法:
- 开发了用于商业纸的批量阶段重建策略.
- 在阳极的大部分和表面都引入了友性位点.
- 在深度剥离条件下评估阳极性能.
主要成果:
- 即使在深度剥离后,也可以实现具有高友性的均阳极表面.
- 显著改善了对树生长和副作用的抵抗力.
- 证明了批量阶段重建对传统表面修改的有效性.
结论:
- 表面修改不足以长期保护阳极,因为剥离过程中的固体-液体转化.
- 大量相位重建通过修改阳极的内在性质来提供永久解决方案.
- 这一战略为开发可充电电池的无树,可持续的金属阳极提供了一个有希望的途径.
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