Towards re-electrification of hydrogen obtained from the power-to-gas process by highly efficient H2/O2 polymer electrolyte fuel cells

Author:

Büchi Felix N.123,Hofer Marcel123,Peter Christian123,Cabalzar Urs D.123,Bernard Jérôme45,Hannesen Uwe45,Schmidt Thomas J.123,Closset Alexandre45,Dietrich Philipp123

Affiliation:

1. Electrochemistry Laboratory

2. Paul Scherrer Institut

3. CH-5232 Villigen PSI, Switzerland

4. Belenos Clean Power Holding

5. CH-2074 Marin-Epagnier, Switzerland

Abstract

In the power-to-gas process, hydrogen, produced by water electrolysis, is used for storage of excess renewable electric power. Pure oxygen is a byproduct of the electrolysis process. Using pure oxygen as the oxidant in polymer electrolyte fuel cells can increase the efficiency of the power-to-hydrogen-to-power energy storage chain.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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