A low temperature aqueous formate fuel cell using cobalt hexacyanoferrate as a non-noble metal oxidation catalyst
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comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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Title
A low temperature aqueous formate fuel cell using cobalt hexacyanoferrate as a non-noble metal oxidation catalystAuthor (s)
Date
2020-12-01Publisher
Royal Society of ChemistryISSN
2398-4902Bibliographic citation
HAN, Lijuan, et al. A low temperature aqueous formate fuel cell using cobalt hexacyanoferrate as a non-noble metal oxidation catalyst. Sustainable Energy & Fuels, 2020, 4.12: 6227-6233Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/publishedVersionAbstract
Cobalt hexacyanoferrate, the Co–Fe Prussian blue derivative (CoFePB), is an effective, selective and stable electrocatalyst for formate oxidation, exhibiting robust performance under a variety of electrolyte conditions. ... [+]
Cobalt hexacyanoferrate, the Co–Fe Prussian blue derivative (CoFePB), is an effective, selective and stable electrocatalyst for formate oxidation, exhibiting robust performance under a variety of electrolyte conditions. In this work, we test CoFePB as a non-noble-metal formate oxidation catalyst in a liquid fuel cell, with formate acting as a carbon-based, water soluble, hydrogen carrier. Herein we fabricate two proof-of-concept aqueous direct formate fuel cells. One uses CoFePB as a formic acid oxidation catalyst coupled with Pt as an oxygen reduction reaction catalyst and delivers a maximum power density of 67 μW cm−2. The second one, based on carbon felt as a cathode and Ce4+ as a terminal electron acceptor, shows a stable maximum power output of 8.6 mW cm−2. This is, to our knowledge, the first example of a noble-metal-free direct formate oxidation fuel cell. [-]
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Sustainable Energy & Fuels, 2020, 4.12: 6227-6233Funder Name
Spanish Ministerio de Ciencia e Innovación | Generalitat de Catalunya | CERCA Programme. I. S. M. and S. J. F. thank the Marie Skłodowska-Curie Actions
Project code
RTI2018-095618-B-I00 (MCI/AEI/FEDER, UE) | 2017-SGR-1406 | 754510 (COFUND program) | 895296 (IF-2019)
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© The Royal Society of Chemistry 2020
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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