Journal
SELECTED PROCEEDINGS FROM THE 231ST ECS MEETING
Volume 77, Issue 11, Pages 1653-1656Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/07711.1653ecst
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- ARPA-E [DE-AR0000345]
- 3M
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This paper will consider the properties of anion-conducting Sustainion (TM) membranes to highlight its potential for different electrochemical activities. Specifically, the latest CO2 electrolysis results will be unveiled in which we have managed to maintain a CO product selectivity of over similar to 98%. This was accomplished using a steady state current of 200 mA/cm(2) at under 3 V for 3000 hours with a very modest 6 uV/hr voltage increase. This translates to a degradation of only similar to 250 mV in five years which underlines the stability of the Sustainion (TM) membrane that lies at the heart of these CO2 electrolyzers.
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