A NiRhS fuel cell catalyst - lessons from hydrogenase

We present a novel fuel cell heterogeneous catalyst based on rhodium, nickel and sulfur with power densities 5 - 28% that of platinum. The NiRhS heterogeneous catalyst was developed via a homogeneous model complex of the [NiFe]hydrogenases (H 2 ases) and can act as both the cathode and anode of a fu...

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Published inChemical communications (Cambridge, England) Vol. 56; no. 79; pp. 11787 - 1179
Main Authors Ogo, Seiji, Ando, Tatsuya, Minh, Le Tu Thi, Mori, Yuki, Matsumoto, Takahiro, Yatabe, Takeshi, Yoon, Ki-Seok, Sato, Yukio, Hibino, Takashi, Kaneko, Kenji
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 11.10.2020
Subjects
2,6-Dichloroindophenol - chemistry
Biomimetics
Catalysis
Catalysts
Coordination Complexes - chemistry
Crystallography
Electric Power Supplies
Electrocatalysts
Electrodes
Fuel cells
Hydrogenase
Hydrogenase - chemistry
Iron compounds
Nickel
Nickel - chemistry
Nickel compounds
Oxidation-Reduction
Platinum
Rhodium
Rhodium - chemistry
Sulfur - chemistry
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Summary:We present a novel fuel cell heterogeneous catalyst based on rhodium, nickel and sulfur with power densities 5 - 28% that of platinum. The NiRhS heterogeneous catalyst was developed via a homogeneous model complex of the [NiFe]hydrogenases (H 2 ases) and can act as both the cathode and anode of a fuel cell. Novel dry-distilled catalysts based on Rh, Ni and S were developed via a Ni(μ-S) 2 Rh organometallic [NiFe]hydrogenase mimic.
Bibliography:For ESI and crystallographic data in CIF or other electronic format see DOI
1996959
10.1039/d0cc04789a
Electronic supplementary information (ESI) available: Experimental details, Tables S1-S9 and Fig. S1-S22. CCDC
1996960
and
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ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc04789a