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Elucidation of the surface characteristics and electrochemistry of high-performance LiNiO2.

  • Author(s): Xu, Jing
  • Lin, Feng
  • Nordlund, Dennis
  • Crumlin, Ethan J
  • Wang, Feng
  • Bai, Jianming
  • Doeff, Marca M
  • Tong, Wei
  • et al.
Abstract

Phase pure LiNiO2 was prepared using a solid-state method and the optimal synthesis conditions led to a remarkably high capacity of 200 mA h g(-1) with excellent retention. The combination of bulk and surface characterization elucidated an essential role of the excess Li in phase formation during synthesis and the subsequent electrochemical performance.

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