The Vanadium Redox Reactions – Electrocatalysis versus Non-Electrocatalysis

Ulrich Stimming, Jiabin Wang, Andreas Bund

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

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.

Original languageEnglish
Pages (from-to)3004-3009
Number of pages6
JournalChemPhysChem
Volume20
Issue number22
DOIs
StatePublished - 19 Nov 2019

Keywords

  • charge-transfer kinetics
  • electrocatalysis
  • porous carbon electrodes
  • temperature dependence
  • vanadium redox reactions

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