Journal
SELECTED PROCEEDINGS FROM THE 231ST ECS MEETING
Volume 77, Issue 11, Pages 1425-1431Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/07711.1425ecst
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Funding
- DOE [DE-SC0004453]
- 3M Company
- U.S. Department of Energy (DOE) [DE-SC0004453] Funding Source: U.S. Department of Energy (DOE)
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Formic acid generated from CO2 has been proposed both as a key intermediate renewable chemical feedstock as well as a potential energy storage chemical media for hydrogen. In this paper, we describe a novel three compartment electrochemical cell configuration with the capability of directly producing a pure formic acid product in the concentration range of 5-20 wt% at high current densities and Faradaic yields. The electrochemical cell employs a Dioxide Materials Sustainion (TM) anion membrane, allowing for the improved CO2 electrochemical reduction performance. Stable electrochemical cell performance for more than 500 hours has been experimentally demonstrated.
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