Preferential adsorption of solvents on the cathode surface of lithium ion batteries

Le Yu, Huijin Liu, Yan Wang, Naoaki Kuwata, Masatoshi Osawa, Junichi Kawamura, Shen Ye

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)

Abstract

The adsorption structures of solvents on the surface of LiCoO2, which is the most widely used cathode material for Li-ion batteries, in contact with nonaqueous electrolyte solutions of carbonate esters have been characterized by insitu sum frequency generation (SFG) spectroscopy. The cyclic carbonate of ethylene carbonate (EC) is preferentially adsorbed on the LiCoO2 surface, in contrast to linear carbonates, such as dimethyl carbonate (DMC).

Original languageEnglish
Pages (from-to)5753-5756
Number of pages4
JournalAngewandte Chemie - International Edition
Volume52
Issue number22
DOIs
Publication statusPublished - 2013 May 27

Keywords

  • electrode-solution interfaces
  • lithium ion batteries
  • nonlinear vibrational spectroscopy
  • solvent adsorption

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