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Imaging the microstructure of lithium and sodium metal in anode-free solid-state batteries using electron backscatter diffraction

Chemistry

Imaging the microstructure of lithium and sodium metal in anode-free solid-state batteries using electron backscatter diffraction

T. Fuchs, T. Ortmann, et al.

Explore the groundbreaking findings on anode-free solid-state batteries, as researchers including Till Fuchs and Catherine G. Haslam unveil insights into the microstructure of lithium and sodium metals in reservoir-free cells. Discover the dynamic processes at play during electrodeposition and the implications for battery technology.

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Playback language: English
Abstract
Anode-free or reservoir-free cells (RFCs) hold promise for enhancing solid-state battery technology. This study establishes a protocol for characterizing the microstructure of lithium and sodium metal in RFCs using focused ion beam (FIB) and electron backscatter diffraction (EBSD). Analysis reveals large grain sizes (>100 μm) and preferential grain boundary orientation in electrodeposited films. In situ EBSD reveals dynamic grain coarsening during electrodeposition and pore formation during dissolution. The findings advance understanding of microstructure-property relations in solid-state batteries.
Publisher
Nature Materials
Published On
Sep 23, 2024
Authors
Till Fuchs, Till Ortmann, Juri Becker, Catherine G. Haslam, Maya Ziegler, Vipin Kumar Singh, Marcus Rohnke, Boris Mogwitz, Klaus Peppler, Linda F. Nazar, Jeff Sakamoto, Jürgen Janek
Tags
anode-free
solid-state batteries
microstructure
electrodeposition
grain coarsening
lithium
sodium

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