H2O2 Decomposition Reaction as Selecting Tool for Catalysts in Li-O2 Cells

V. Giordani, S. A. Freunberger, P. G. Bruce, J. M. Tarascon, D. Larcher

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The decomposition reaction of H2O2 aqueous solutions (H2O2 → H2O+ 1/2 O2) catalyzed by transition metal oxide powders has been compared with the charging voltage of nonaqueous Li-O2 cells containing the same catalyst. An inverse linear relationship between Ln k (rate constant for the H2O 2 decomposition) and the charging voltage has been found, despite differences in media and possible mechanistic differences. The results suggest that the H2O2 decomposition may be a reliable, useful, and fast screening tool for materials that promote the charging process of the Li-O2 battery and may ultimately give insight into the charging mechanism.

Original languageEnglish
Pages (from-to)A180-A183
JournalElectrochemical and solid-state letters
Volume13
Issue number12
DOIs
Publication statusPublished - 29 Oct 2010
Externally publishedYes

Fingerprint

charging
Decomposition
decomposition
catalysts
Catalysts
cells
Electric potential
Powders
Oxides
Transition metals
Rate constants
Screening
electric potential
metal oxides
electric batteries
screening
transition metals
aqueous solutions

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering
  • Electrochemistry

Fields of Expertise

  • Advanced Materials Science

Cite this

H2O2 Decomposition Reaction as Selecting Tool for Catalysts in Li-O2 Cells. / Giordani, V.; Freunberger, S. A.; Bruce, P. G.; Tarascon, J. M.; Larcher, D.

In: Electrochemical and solid-state letters, Vol. 13, No. 12, 29.10.2010, p. A180-A183.

Research output: Contribution to journalArticleResearchpeer-review

Giordani, V. ; Freunberger, S. A. ; Bruce, P. G. ; Tarascon, J. M. ; Larcher, D. / H2O2 Decomposition Reaction as Selecting Tool for Catalysts in Li-O2 Cells. In: Electrochemical and solid-state letters. 2010 ; Vol. 13, No. 12. pp. A180-A183.
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