Preprint Review Version 1 This version is not peer-reviewed

Reactivity and Stability of Polyoxometalate Water Oxidation Electrocatalysts

Version 1 : Received: 20 December 2019 / Approved: 22 December 2019 / Online: 22 December 2019 (10:39:57 CET)

A peer-reviewed article of this Preprint also exists.

Gao, D.; Trentin, I.; Schwiedrzik, L.; González, L.; Streb, C. The Reactivity and Stability of Polyoxometalate Water Oxidation Electrocatalysts. Molecules 2020, 25, 157. Gao, D.; Trentin, I.; Schwiedrzik, L.; González, L.; Streb, C. The Reactivity and Stability of Polyoxometalate Water Oxidation Electrocatalysts. Molecules 2020, 25, 157.

Journal reference: Molecules 2019, 25, 157
DOI: 10.3390/molecules25010157

Abstract

This review describes major advances in the use of functionalized molecular metal oxides (polyoxometalates, POMs) as water oxidation catalysts under electrochemical conditions. The fundamentals of POM-based water oxidation are described together with a brief overview of general approaches to designing POM water oxidation catalysts. Next, the use of POMs for homogeneous, solution-phase water oxidation is described together with a summary of theoretical studies shedding light on the POM-WOC mechanism. This is followed by a discussion of heterogenization of POMs on electrically conductive substrates for technologically more relevant application studies. Stability of POM water oxidation catalysts are discussed on selected examples where detailed data is already available. The review finishes with an outlook on future perspective and emerging themes in electrocatalytic polyoxometalate-based water oxidation research.

Subject Areas

polyoxometalate; water oxidation catalysis; oxygen evolution reaction; self-assembly; electrocatalysis

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