Nature Communications (Nov 2017)

Graphene balls for lithium rechargeable batteries with fast charging and high volumetric energy densities

  • In Hyuk Son,
  • Jong Hwan Park,
  • Seongyong Park,
  • Kwangjin Park,
  • Sangil Han,
  • Jaeho Shin,
  • Seok-Gwang Doo,
  • Yunil Hwang,
  • Hyuk Chang,
  • Jang Wook Choi

DOI
https://doi.org/10.1038/s41467-017-01823-7
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 11

Abstract

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Here, the authors report a graphene-silica assembly which could be coated onto a nickel-rich cathode via a scalable process for considerably improved electrochemical performance. In the presence of such graphene balls, a full cell benefits from an increased volumetric energy density by 27.6%.