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Batteries 2018, 4(3), 47;

Electrocatalysis at Electrodes for Vanadium Redox Flow Batteries

State Key Laboratory of Materials-oriented Chemical Engineering, and School of Energy Science and Engineering, Nanjing Tech University, Nanjing 211816, China
AG Elektrochemie, Institut für Chemie, Technische Universität Chemnitz, D-09107 Chemnitz, Germany
Institute of Chemistry, Saint Petersburg State University, St. Petersburg 199034, Russia
Reports being available on or before 20 August 2018, have been inspected for this report.
Author to whom correspondence should be addressed.
Received: 30 July 2018 / Revised: 20 August 2018 / Accepted: 23 August 2018 / Published: 13 September 2018
(This article belongs to the Special Issue Vanadium Redox Flow Battery and Its Applications)
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Flow batteries (also: redox batteries or redox flow batteries RFB) are briefly introduced as systems for conversion and storage of electrical energy into chemical energy and back. Their place in the wide range of systems and processes for energy conversion and storage is outlined. Acceleration of electrochemical charge transfer for vanadium-based redox systems desired for improved performance efficiency of these systems is reviewed in detail; relevant data pertaining to other redox systems are added when possibly meriting attention. An attempt is made to separate effects simply caused by enlarged electrochemically active surface area and true (specific) electrocatalytic activity. Because this requires proper definition of the experimental setup and careful examination of experimental results, electrochemical methods employed in the reviewed studies are described first. View Full-Text
Keywords: electrocatalysis; surface activation; carbon felt; graphite felt; underpotential deposition electrocatalysis; surface activation; carbon felt; graphite felt; underpotential deposition

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Wu, Y.; Holze, R. Electrocatalysis at Electrodes for Vanadium Redox Flow Batteries. Batteries 2018, 4, 47.

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