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Title: Three-dimensional stable lithium metal anode with nanoscale lithium islands embedded in ionically conductive solid matrix

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America
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  1. Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305,
  2. Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305,, Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA 94025

Significance Lithium metal anode holds great promises for next-generation high-energy lithium battery systems. This work introduces an electrolyte-proof design of three-dimensional lithium metal anode where most of the lithium domains are embedded in a lithium-ion conductive matrix. In this architecture, the lithium-ion conductive matrix can isolate the embedded lithium domains from liquid electrolyte and thus prevent severe initial side reactions, while the matrix can simultaneously transport lithium ion and maintain the electrochemical activity of the embedded lithium. The design principle enables highly stable, high-power, and safe lithium metal anodes with minimal side reactions and negligible volume variation during cycling, which paves the way for viable lithium metal batteries in the future.

Sponsoring Organization:
USDOE
Grant/Contract Number:
EE0006828
OSTI ID:
1351924
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America, Journal Name: Proceedings of the National Academy of Sciences of the United States of America Vol. 114 Journal Issue: 18; ISSN 0027-8424
Publisher:
Proceedings of the National Academy of SciencesCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 269 works
Citation information provided by
Web of Science

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