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Impact of active material surface area on thermal stability of LiCoO2 cathode

Authors
  • Geder, Jan
  • Hoster, Harry E.
  • Jossen, Andreas
  • Garche, Jürgen
  • Yu, Denis Y.W.1, 2, 3, 4, 5, 6
  • 1 TUM CREATE Limited
  • 2 Institute for Electrical Energy Storage Technology at Technische
  • 3 Universität München
  • 4 Fuel Cell and Battery Consulting – FCBAT Ulm
  • 5 School of Energy and Environment
  • 6 City University of Hong Kong
Type
Published Article
Journal
Journal of Power Sources
Publisher
Elsevier
Publication Date
Jan 01, 2014
Accepted Date
Jan 31, 2014
Volume
257
Pages
286–292
Identifiers
DOI: 10.1016/j.jpowsour.2014.01.116
Source
Elsevier
Keywords
License
Unknown

Abstract

•Higher surface area of LiCoO2 significantly reduces thermal stability of cathodes.•High surface area changes LiCoO2 decomposition reaction mechanism.•Activation energy of cathode decomposition decreases with increasing surface area.•Cathodes with high surface area LiCoO2 react more exothermally with the electrolyte.•Ball milling is not advisable method for treatment of LiCoO2.

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