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一种基于光学一致性断层扫描的固态电池现场特征的新方法

Jinze Li¹, Tianhong Ma², Xin Liu³

¹School of Optoelectronic Engineering, Xidian University, Xi'an 710126, China.

Sensors (Basel, Switzerland)

|April 27, 2024

概括

光学连贯断层扫描 (OCT) 提供了一种非侵入性方法,用于可视化固态电池 (SSB) 中的树生长. 这种技术可以实现实时监控,提高对SSB性能和安全的理解.

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:

固态电池 (SSB) 对于下一代能源存储至关重要.
在接口上形成的树脂石限制了SSB的性能和可靠性.
现场和现场表征方法对于研究SSB至关重要.

研究的目的:

引入和验证光学连贯断层扫描 (OCT) 作为固态电池的新现场表征技术.
为了可视化和量化树形态和进化在SSBs.
为影响SSB性能和安全的接口现象提供见解.

主要方法:

开发和应用光连贯断层扫描 (OCT) 用于实时,SSB内部结构的非侵入性成像.
在现场监测树在各种循环条件下的生长和演变.
与扫描电子显微镜 (SEM) 和X射线光电谱 (XPS) 等现场技术进行验证.

主要成果:

OCT成功地可视化了SSB中的树突的形态,生长和演变.
该技术提供了电池内部结构的实时,截面图像.
通过对SEM和XPS进行验证,证明了其准确性和有效性.

结论:

OCT是一种强大的,非侵入性的工具,用于SSB中的电池接口的in situ和operando成像.
这种方法为影响SSB性能,安全性和寿命的机制提供了新的见解.
海外国家和地区证明了在固态电池研究中改进和应用先进表征的可行性.

关键词:

在现场表征.树增长的树增长.光学连贯性断层扫描技术固态电池是一种固态电池.

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