Performance of Nafion® N115, Nafion® NR-212, and Nafion® NR-211 in a 1 kW class all vanadium mixed acid redox flow battery

David Reed, Edwin Thomsen, Wei Wang, Zimin Nie, Bin Li, Xiaoliang Wei, Brian Koeppel, Vincent Sprenkle

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

Abstract Three Nafion® membranes of similar composition but different thicknesses were operated in a 3-cell 1 kW class all vanadium mixed acid redox flow battery. The influence of current density on the charge/discharge characteristics, coulombic and energy efficiency, capacity fade, operating temperature and pressure drop in the flow circuit will be discussed and correlated to the Nafion® membrane thickness. Material costs associated with the Nafion® membranes, ease of handling the membranes, and performance impacts will also be discussed.

Original languageEnglish
Article number20888
Pages (from-to)425-430
Number of pages6
JournalJournal of Power Sources
Volume285
DOIs
StatePublished - Jul 1 2015

Keywords

  • Cost
  • Electrical performance
  • Nafion membranes
  • Vanadium redox flow battery

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