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Electro‐catalytic oxidation of hydroxide ion by Co3O4 and Co3O4@SiO2 nanoparticles both at particle ensembles and single particle level

Abstract:

We report that the Co 3 O 4 nanoparticle‐mediated electrochemical oxidation under alkaline conditions of hydroxide ion on a glassy carbon macroelectrode leads to hydrogen peroxide as the initial oxidation product of electron transfer. The latter is inferred to subsequently partially decompose to dioxygen by catalytic chemical reaction at the nanoparticles. At the single particle level, electrochemical particle‐electrode impacts point out the rate‐determining step and the limiting kinetics of ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/celc.202000230

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Oxford college:
St John's College
Role:
Author
Publisher:
Wiley
Journal:
ChemElectroChem More from this journal
Volume:
7
Issue:
5
Pages:
1261-1276
Publication date:
2020-03-11
Acceptance date:
2020-02-26
DOI:
EISSN:
2196-0216
Language:
English
Keywords:
Pubs id:
1089250
Local pid:
pubs:1089250
Deposit date:
2020-02-27

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