Issue 9, 2020

Increased hydrogen partial pressure suppresses and reverses hydrogen evolution during Pd catalysed electrolysis of CO2

Abstract

Electrochemical reduction of CO2 on a Pd/C cathode produces formate and hydrogen at low overpotentials. We report on an innovative, effective approach to prevent hydrogen formation. By applying 4 bar partial hydrogen pressure, hydrogen evolution can be fully avoided at −0.05 V vs. RHE and 1 bar partial CO2 pressure.

Graphical abstract: Increased hydrogen partial pressure suppresses and reverses hydrogen evolution during Pd catalysed electrolysis of CO2

Supplementary files

Article information

Article type
Communication
Submitted
12 Maijs 2020
Accepted
29 Jūn. 2020
First published
30 Jūn. 2020
This article is Open Access
Creative Commons BY-NC license

Sustainable Energy Fuels, 2020,4, 4459-4463

Increased hydrogen partial pressure suppresses and reverses hydrogen evolution during Pd catalysed electrolysis of CO2

M. J. W. Blom, W. P. M. van Swaaij, G. Mul and S. R. A. Kersten, Sustainable Energy Fuels, 2020, 4, 4459 DOI: 10.1039/D0SE00731E

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