Micropillar‐based channel patterning in high‐loading graphite anodes for superior Li‐ion batteries

This study presents a low‐cost, one‐step electrode patterning method that uses a template with micropillars to indent a hexagonal array of channels in high‐loading graphite anodes for faster electrolyte infiltration and Li‐ion transport. In contrast to prior studies on using laser micro‐machining, a...

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Bibliographic Details
Published in:Battery energy 2024-05, Vol.3 (3), p.n/a
Main Authors: Kim, Doyoub, Magasinski, Alexandre, Lee, Seung‐Hun, Yoo, Hana, Song, Ah‐Young, Yushin, Gleb
Format: Article
Language:English
Subjects:
channel patterning
electrolyte infiltration
high‐loading graphite
Li‐ion transport
one‐step
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Summary:This study presents a low‐cost, one‐step electrode patterning method that uses a template with micropillars to indent a hexagonal array of channels in high‐loading graphite anodes for faster electrolyte infiltration and Li‐ion transport. In contrast to prior studies on using laser micro‐machining, active material losses could be completely avoided by the proposed methodology. The process can also be made roll‐to‐roll and continuous. Furthermore, the very small volume fraction of the introduced channels (
ISSN:2768-1688
2768-1696
DOI:10.1002/bte2.20230028