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arxiv: 1910.00097 · v1 · pith:IEDTIMS3 · submitted 2019-09-03 · physics.app-ph · physics.chem-ph

Photoacoustic Imaging of Lithium Metal Batteries

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classification physics.app-ph physics.chem-ph
keywords metalimagingbatterieshighphotoacousticpotentialadvantagesbulk
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We demonstrate that photoacoustic microscopy (PAM) can be a potential novel imaging tool to investigate the Li metal dendrite growth, a critical issue leading to short circuit and even explosion of Li metal batteries. Our results suggest several advantages of PAM imaging of Li metal batteries: high resolution (micrometers), 3D imaging capability, deep penetration in a separator, and high contrast from bulk Li metal. Further, PAM has potential for in situ real-time imaging of Li metal batteries.

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