Microkinetic assessment of electrocatalytic oxygen evolution reaction over iridium oxide in unbuffered conditions

Takeshi Nishimoto,Tatsuya Shinagawa,Takahiro Naito,Kazuhiro Takanabe

Journal of Catalysis（2020）

引用 41|浏览7

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摘要

•Microkinetic analysis of oxygen evolution reaction (OER) over IrOx was performed.•Rate-determining steps at acidic or alkaline pH involve proton-coupled electron transfer.•At unbuffered neutral pH, OER rate is controlled by electron transfer at O-O formation step.

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关键词

Electrocatalysis,Oxygen evolution reaction,Iridium oxide,Near-neutral pH,Reaction mechanism

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