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The Vanadium Redox Reactions – Electrocatalysis versus Non‐Electrocatalysis

Lookup NU author(s): Professor Ulrich Stimming, Dr Jiabin Wang

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by Wiley -VCH Verlag GmbH & Co. KGaA, 2019.

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Abstract

Catalytic effects of surface groups on porous carbon electrodes are claimed in literature for the redox reactions V(II)/V(III) and V(IV)/V(V). The literature is critically analysed also in relation to work of this group. A method how to overcome the problem of assessing the electrochemically active surface area on porous electrodes is presented. Applying this method, no catalytic effects for above reactions can be substantiated. It is further pointed out that the parameters electrochemical potential and temperature need to be used to assess electrocatalysis.


Publication metadata

Author(s): Stimming U, Wang J, Bund A

Publication type: Article

Publication status: Published

Journal: ChemPhysChem

Year: 2019

Volume: 20

Issue: 22

Pages: 3004-3009

Print publication date: 20/11/2019

Online publication date: 31/10/2019

Acceptance date: 24/10/2019

Date deposited: 04/11/2019

ISSN (electronic): 1439-7641

Publisher: Wiley -VCH Verlag GmbH & Co. KGaA

URL: https://doi.org/10.1002/cphc.201900861

DOI: 10.1002/cphc.201900861


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