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

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung


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.

Seiten (von - bis)A180-A183
FachzeitschriftElectrochemical and Solid-State Letters
PublikationsstatusVeröffentlicht - 29 Okt. 2010
Extern publiziertJa

ASJC Scopus subject areas

  • Chemische Verfahrenstechnik (insg.)
  • Werkstoffwissenschaften (insg.)
  • Physikalische und Theoretische Chemie
  • Elektrotechnik und Elektronik
  • Elektrochemie

Fields of Expertise

  • Advanced Materials Science


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