Nature Communications (Apr 2020)

Circumventing huge volume strain in alloy anodes of lithium batteries

  • Hongyi Li,
  • Takitaro Yamaguchi,
  • Shingo Matsumoto,
  • Hiroaki Hoshikawa,
  • Toshiaki Kumagai,
  • Norihiko L. Okamoto,
  • Tetsu Ichitsubo

DOI
https://doi.org/10.1038/s41467-020-15452-0
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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Alloy anode materials in lithium batteries usually suffer from fatal structural degradation due to the large volume change during cycling. Here the authors report a design in which Al foil serves as both anode and current collector to circumvent the strain.