Journal
MENDELEEV COMMUNICATIONS
Volume 31, Issue 1, Pages 20-23Publisher
ELSEVIER
DOI: 10.1016/j.mencom.2021.01.005
Keywords
macrocyclic compounds; clathrochelates; hydrogen evolution reaction; polymer electrolyte membrane; water electrolysis; electrocatalyst
Categories
Funding
- Russian Science Foundation [17-13-01468]
- Russian Foundation for Basic Research [18-29-23007, 19-58-26022]
- Czech Science Foundation [20-06422J]
- National Research Center 'Kurchatov Institute' [1919, 6]
- French Government
- Russian Science Foundation [17-13-01468] Funding Source: Russian Science Foundation
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By employing a series of iron(II) clathrochelates with various terminal phenanthrenyl groups, hydrogen-evolving cathodes were prepared and used in place of platinum in polymer electrolyte membrane water electrolysis cells. The in situ electrochemical activation of the cathodes resulted in promising performance and durability, making them a potential alternative to platinum as hydrogen-evolving cathode electrocatalysts.
Hydrogen-evolving cathodes were prepared using a series of iron(II) clathrochelates bearing various number of terminal phenanthrenyl groups via physisorption on carbon paper and employed in the polymer electrolyte membrane water electrolysis cells instead of typically used platinum. In situ electrochemical activation of the cathodes was carried out, after that the cells performance and durability were evaluated. These clathrochelate complexes represent a promising alternative to platinum as hydrogen-evolving cathode electrocatalysts.
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