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阳极和接口的设计策略,以实现实用的固态金属电池

Gabin Yoon¹, Sewon Kim¹, Ju-Sik Kim¹

¹Battery Material TU, Samsung Advanced Institute of Technology, 130, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 443-803, Republic of Korea.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)

|August 6, 2023

概括

固态金属电池提供更高的安全性和能量密度. 改进阳极/电解质接口和3D阳极设计的策略对于防止短路和实现商业可行性至关重要.

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
储能储能储能储能储能储能

背景情况:

固态金属电池承诺比传统的离子电池具有更高的能量密度和安全性.
关键的挑战包括固体与固体接触不良,高界面电阻和树形成,导致短路故障.
优化金属/固体电解质接口对于电池性能和寿命至关重要.

研究的目的:

审查改善固态金属电池中阳极间层的策略.
讨论3D阳极结构设计,以减轻循环过程中的压力.
突出介面控制和阳极设计对于商业级性能的重要性.

主要方法:

审查关于阳极介层和接口工程的现有文献.
对3D阳极结构设计方法的分析.
讨论减少界面电阻和防止短路的策略.

主要成果:

阳极间层可以显著降低接口电阻,并抑制树的生长.
3D阳极架构有助于在充电和放电期间适应体积变化,提高稳定性.
有效的接口管理和阳极设计对于克服当前限制至关重要.

结论:

对阳极/电解质接口的全面控制对于开发高性能固态金属电池至关重要.
降低界面电阻,阻碍短路形成和促进应力减轻的策略是商业化的关键.
对阳极设计和接口工程的进一步研究将加速这些先进的储能系统的采用.

关键词:

石榴石的固体电解质是一种固体电解质.金属/固体电解质接口金属电池金属电池阳极间层是阳极间层.

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