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Description:

Garnet-type solid electrolytes are regarded as a promising electrolyte for oxide-based solid-state batteries due to its stability against lithium metal. However, lithium metal anodes on garnet-type solid electrolytes often exhibit dendritic growth leading to internal short-circuit. This study reveals that immersion of the solid electrolytes in an aqueous solution of LiOH is a very simple and effective way to suppress the dendritic growth. It removes a contamination layer formed on the electrolyte surface by exposure to ambient air and makes the interface to the lithium metal anode conductive and the current density homogeneous.

Rights:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

Keyword: solid electrolyte, garnet, lithium metal, dendrite, critical current density

Date published: 2024-07-08

Publisher: American Chemical Society (ACS)

Journal:

• ACS Applied Energy Materials (ISSN: 25740962) vol. 7 issue. 13 p. 5321-5325

Funding:

• Ministry of Education, Culture, Sports, Science and Technology JPMXP0219207397
• Japan Science and Technology Agency JPMJGX23S2
• Japan Science and Technology Agency JPMJPF2016
• Advanced Low Carbon Technology Research and Development Program JPMJAL1301

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1021/acsaem.4c00805

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Updated at: 2024-07-09 12:30:24 +0900

Published on MDR: 2024-07-09 12:30:24 +0900