publication . Article . 2016

Stability and Degradation Mechanisms of Radiation-Grafted Polymer Electrolyte Membranes for Water Electrolysis.

Lorenz Gubler; Thomas J. Schmidt;
  • Published: 07 Jun 2016 Journal: ACS Applied Materials & Interfaces, volume 8, pages 15,297-15,306 (issn: 1944-8244, eissn: 1944-8252, Copyright policy)
  • Publisher: American Chemical Society (ACS)
Radiation-grafted membranes are a promising alternative to commercial membranes for water electrolyzers, since they exhibit lower hydrogen crossover and area resistance, better mechanical properties, and are of potentially lower cost than perfluoroalkylsulfonic acid membranes, such as Nafion. Stability is an important factor in view of the expected lifetime of 40 000 h or more of an electrolyzer. In this study, combinations of styrene (St), α-methylstyrene (AMS), acrylonitrile (AN), and 1,3-diisopropenylbenzene (DiPB) are cografted into 50 μm preirradiated poly(ethylene-co-tetrafluoroethylene) (ETFE) base film, followed by sulfonation to produce radiation-grafte...
free text keywords: General Materials Science
Funded by
Novel materials and system designs for low cost, efficient and durable PEM electrolysers
  • Funder: European Commission (EC)
  • Project Code: 303484
  • Funding stream: FP7 | SP1 | SP1-JTI
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