电池“听诊器”：听，那是电池心碎的声音| Battery Brew 3

> 本期节目深入探讨锂离子电池的无损“听诊技术”——通过**声发射（Acoustic Emission, AE）**监测电池内部微观损伤与退化过程。研究团队利用声发射信号捕捉电池在充放电过程中的“声音”，如颗粒破碎和气体产生，实现对电池健康状态的实时诊断。> 内容基于麻省理工学院（MIT）Martin Z. Bazant教授团队2025年最新发表在《Joule》上的研究：Electrochemically Resolved Acoustic Emissions from Li-Ion Batteries作者：Yash Samantaray, Daniel A. Cogswell, Alexander E. Cohen, Martin Z. BazantDOI: 10.1016/j.joule.2025.102108（Published in Joule, Volume 9, 2025）>  这项技术称为声发射伏安法（Acousto-voltammetry），将声学信号与电化学过程精确对应，帮助识别电池内部的“颗粒骨折”和“气体冒泡”，为电池寿命预测和安全预警提供新窗口。感谢收听！更多电池前沿论文&解读，探索X账号：@[EKL_Batteries](x.com)前往小宇宙评论区与主播互动

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电池“听诊器”：听，那是电池心碎的声音| Battery Brew 3

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