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Kinetic study of parasitic reactions in lithium-ion batteries: A case study on LiNi0.6Mn0.2Co0.2O2

  • Xiaoqiao Zeng
  • , Gui Liang Xu
  • , Yan Li
  • , Xiangyi Luo
  • , Filippo Maglia
  • , Christoph Bauer
  • , Simon Franz Lux
  • , Odysseas Paschos
  • , Sung Jin Kim
  • , Peter Lamp
  • , Jun Lu
  • , Khalil Amine*
  • , Zonghai Chen
  • *Corresponding author for this work
  • Argonne National Laboratory
  • BMW Group

Research output: Contribution to journalArticlepeer-review

Abstract

The side reactions between the electrode materials and the nonaqueous electrolytes have been the major contributor to the degradation of electrochemical performance of lithium-ion batteries. A home-built high-precision leakage current measuring system was deployed to investigate the reaction kinetics between the delithiated LiNi0.6Mn0.2Co0.2O2 and a conventional nonaqueous electrolyte. It was found that the rate of parasitic reaction had strong dependence on the upper cutoff potential of the cathode material. The kinetic data also indicated a change of reaction mode at about 4.5 V vs Li+/Li.

Original languageEnglish
Pages (from-to)3446-3451
Number of pages6
JournalACS applied materials & interfaces
Volume8
Issue number5
DOIs
Publication statusPublished - 10 Feb 2016
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • cathode
  • interfacial reaction
  • leakage current
  • lithium-ion battery
  • parasitic reaction

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