Low charge overpotentials in lithium-oxygen batteries based on tetraglyme electrolytes with a limited amount of water

  • Shichao Wu
  • , Jing Tang
  • , Fujun Li*
  • , Xizheng Liu
  • , Haoshen Zhou
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

65 Scopus citations

Abstract

High charge overpotentials are a great challenge for the realization of lithium-oxygen batteries. Here, we construct a Li-O2 battery system by introducing a limited amount of water into tetraglyme based electrolytes and electrolytic MnO2 (EMD) and Ru supported on Super P as cathodes for Li-O2 batteries. This results in low charge potentials of around 3.2 V, corresponding to overpotentials of 0.24 V, and outstanding rate capability and cycling performance.

Original languageEnglish
Pages (from-to)16860-16863
Number of pages4
JournalChemical Communications
Volume51
Issue number94
DOIs
StatePublished - 21 Sep 2015
Externally publishedYes

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