Manganese oxide-based heterogeneous electrocatalysts for water oxidation

Sunghak Park, Yoon Ho Lee, Seungwoo Choi, Hongmin Seo, Moo Young Lee, Mani Balamurugan, Ki Tae Nam

Research output: Contribution to journalReview articlepeer-review

106 Scopus citations

Abstract

Water oxidation is considered an important reaction to attain sustainable energy systems. Inspired by the biological Mn4CaO5 cluster, considerable effort has been devoted to developing efficient manganese-based heterogeneous catalysts for the water oxidation reaction. This review first describes the structural characteristics of the Mn4CaO5 cluster and synthetic manganese oxides. Important features related to the electrocatalytic activity of manganese-based heterogeneous catalysts as well as recent in situ spectroscopic results for intermediate characterization are then summarized. Current understanding of the reaction mechanism at the atomic level and the rate-determining step is highlighted. Finally, future perspectives for the development of highly active and stable manganese-based water-oxidizing catalysts are proposed.

Original languageEnglish
Pages (from-to)2310-2340
Number of pages31
JournalEnergy and Environmental Science
Volume13
Issue number8
DOIs
StatePublished - Aug 2020
Externally publishedYes

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