针对低温离子电池的先进电解质工程
Yi Yang1, Yongjian Yang1, Yang Yang1
1Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, China.
Advanced materials (Deerfield Beach, Fla.)
|September 15, 2025
概括
离子电池 (SIB) 在低温应用中表现有前途. 本综述详细介绍了在寒冷条件下改善SIB性能的电解质挑战和战略.
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:
- 离子电池 (SIB) 是离子电池 (LIB) 的经济有效替代品,因为资源丰富.
- SIB 具有独特的电化学特性,适合低温操作.
- 低温阻碍了Na+运输,增加了界面能量障碍,并破坏了固体电解质间相 (SEI),降低了电池性能.
研究的目的:
- 在低温下分析SIB电解质的故障机制.
- 总结目前设计和优化低温SIB电解质的策略.
- 为先进的低温SIB提供对未来发展趋势的见解.
主要方法:
- 对SIB电解质在低温下的性能进行现有文献的全面审查.
- 分析电解质故障模式,包括离子运输,溶解和SEI动态.
- 电解质优化策略的分类和总结.
主要成果:
- 低温显著阻碍了Na+动力学,并增加了SIB的界面阻抗.
- 在低温下电解质降解导致容量衰减,功率降低和周期寿命缩短.
- 包括溶剂工程和添加剂使用在内的各种策略可以减轻这些低温问题.
结论:
- 解决低温电解质的挑战对于释放SIB的全部潜力至关重要.
- 优化的电解质是实现在寒冷环境中稳定高效SIB运行的关键.
- 未来的研究应该专注于新型电解质系统和下一代低温SIB的先进材料.
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