In situ measurement of localized current distribution in h2‐br2 redox flow batteries

Brenda Berenice Martinez Cantu, Peter Fischer, David Zitoun, Jens Tübke, Karsten Pinkwart

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Hydrogen bromine redox flow batteries (RFB) are considered to be one of the most prom-ising storage alternatives, as this technology offers both high energy and high‐power density. In this work a printed circuit board type of segmented current collector for the measurement of locally resolved current density was developed. This analytical tool was inserted as hydrogen anode current collector in a hydrogen‐bromine test cell. Charging and discharging operation was monitored under different stoichiometric flow conditions and the impact on current distribution is presented. This technique offers the possibility to prove cell limiting conditions with spatial resolution, improving our understanding and determining optimal operating conditions for a given design.

Original languageEnglish
Article number4945
Issue number16
StatePublished - 2 Aug 2021

Bibliographical note

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.


  • Bromine
  • Current density distribution
  • Redox flow battery
  • Segmented electrode


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