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Carbon-Based Composites as Electrocatalysts for Oxygen Evolution Reaction in Alkaline Media

This review paper presents the most recent research progress on carbon-based composite electrocatalysts for the oxygen evolution reaction (OER), which are of interest for application in low temperature water electrolyzers for hydrogen production. The reviewed materials are primarily investigated as active and stable replacements aimed at lowering the cost of the metal electrocatalysts in liquid alkaline electrolyzers as well as potential electrocatalysts for an emerging technology like alkaline exchange membrane (AEM) electrolyzers. Low temperature electrolyzer technologies are first briefly introduced and the challenges thereof are presented. The non-carbon electrocatalysts are briefly overviewed, with an emphasis on the modes of action of different active phases. The main part of the review focuses on the role of carbon–metal compound active phase interfaces with an emphasis on the synergistic and additive effects. The procedures of carbon oxidative pretreatment and an overview of metal-free carbon catalysts for OER are presented. Then, the successful synthesis protocols of composite materials are presented with a discussion on the specific catalytic activity of carbon composites with metal hydroxides/oxyhydroxides/oxides, chalcogenides, nitrides and phosphides. Finally, a summary and outlook on carbon-based composites for low temperature water electrolysis are presented.
- Spanish National Research Council Spain
- Jagiellonian University Poland
- Instituto de Carboquímica Spain
- University of Gdańsk Poland
energy conversion, Technology, hydrogen production, Carbon composites, Review, water electrolysis, Microscopy, QC120-168.85, T, QH201-278.5, Water electrolysis, Engineering (General). Civil engineering (General), Energy conversion, carbon composites, TK1-9971, Descriptive and experimental mechanics, Hydrogen production, Electrical engineering. Electronics. Nuclear engineering, TA1-2040
energy conversion, Technology, hydrogen production, Carbon composites, Review, water electrolysis, Microscopy, QC120-168.85, T, QH201-278.5, Water electrolysis, Engineering (General). Civil engineering (General), Energy conversion, carbon composites, TK1-9971, Descriptive and experimental mechanics, Hydrogen production, Electrical engineering. Electronics. Nuclear engineering, TA1-2040
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).41 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 1% visibility views 39 download downloads 101 - 39views101downloads
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