Catalytic activity trends of oxygen reduction reaction for nonaqueous Li-air batteries

Yi Chun Lu, Hubert A. Gasteiger, Yang Shao-Horn

Research output: Contribution to journalArticlepeer-review

506 Scopus citations

Abstract

We report the intrinsic oxygen reduction reaction (ORR) activity of polycrystalline palladium, platinum, ruthenium, gold, and glassy carbon surfaces in 0.1 M LiClO 4 1,2-dimethoxyethane via rotating disk electrode measurements. The nonaqueous Li +-ORR activity of these surfaces primarily correlates to oxygen adsorption energy, forming a "volcano- type" trend. The activity trend found on the polycrystalline surfaces was in good agreement with the trend in the discharge voltage of Li-O 2 cells catalyzed by nanoparticle catalysts. Our findings provide insights into Li +-ORR mechanisms in nonaqueous media and design of efficient air electrodes for Li-air battery applications.

Original languageEnglish
Pages (from-to)19048-19051
Number of pages4
JournalJournal of the American Chemical Society
Volume133
Issue number47
DOIs
StatePublished - 30 Nov 2011

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