通过在离子电池中的生物灵感应力分散设计来维持50万个折叠周期
Shu Pu1, Guangtao Zan1, Hongmin Zhou1
1School of Chemical Science and Engineering, Institute of Advanced Study, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Aerospace Engineering and Applied Mechanics Tongji University, Shanghai, 200092, P. R. China.
Angewandte Chemie (International ed. in English)
|October 17, 2024
概括
研究人员使用生物启发策略开发了第一个超可折叠的离子电池. 这一突破使电子设备能够承受广泛的折叠而不会降低性能,为真正灵活的电子设备铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 机械工程 机械工程
背景情况:
- 由于化学键的限制,开发超级可折叠的电子材料具有挑战性.
- 超级可折叠电池以前没有被探索过.
- 现有的可折叠设备依赖于链结构,限制了真正的可折叠性.
研究的目的:
- 为了创造第一个超级可折叠的电池.
- 使用离子电池技术克服可折叠电子产品的局限性.
- 研究一种生物灵感战略,以实现极端可折叠性.
主要方法:
- 在组件设计和组装中采用了"2+1"生物灵感战略.
- 制造的超可折叠元件从基板到电极.
- 利用实时动态折叠观测和机械模拟.
主要成果:
- 成功制造出第一个超可折叠的离子电池.
- 电池可以在任何角度和方向上承受真折叠,超过50万次循环.
- 微结构完整性和电化学性能在广泛折叠后仍然很高.
- 一个M形的折叠结构有效地分散了通过模拟验证的应力.
结论:
- 生物启发的 "2+1" 战略使电池具有前所未有的超级折叠性.
- 这一突破克服了可折叠材料中化学键的局限性.
- 开发的超级可折叠电池为未来的灵活电子设备提供了可行的途径.
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