相间
电解质
电池(电)
材料科学
电化学
降级(电信)
离子
锂(药物)
化学工程
化学
纳米技术
锂离子电池
电极
有机化学
物理化学
电气工程
热力学
功率(物理)
遗传学
医学
内分泌学
工程类
物理
生物
作者
Peng Lü,Chen Li,Eric Schneider,Stephen J. Harris
摘要
The solid electrolyte interphase (SEI) forms during the initial cycles in lithium ion batteries and evolves throughout the battery life. By protecting the electrode and passing lithium ions, the SEI plays an important role in the performance and degradation of lithium ion batteries. Identifying how the SEI forms and evolves during battery cycling helps us understand and mitigate battery degradation. In this work, we address the SEI chemical and electrochemical evolution during its formation process and provide a correlation between these properties. It is found that the SEI chemistry, not just its thickness, has a distinct influence on its impedance, which may ultimately impact the battery performance.
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