Boron-Doped Diamond Powder as a Durable Support for Platinum-Based Cathode Catalysts in Polymer Electrolyte Fuel Cells

Boron-Doped Diamond Powder as a Durable Support for Platinum-Based Cathode Catalysts in Polymer Electrolyte Fuel Cells

Platinum nanoparticle-supported boron-doped diamond powder (Pt/BDDP) was prepared and investigated as a durable polymer electrolyte fuel cell (PEFC) cathode catalyst. The use of the nanocapsule method enabled dense deposition of Pt nanoparticles (2-5 nm in size) on a boron-doped diamond (BDD) powder...

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Veröffentlicht in:Journal of the Electrochemical Society 2018-01, Vol.165 (6), p.F3072-F3077
Hauptverfasser: Kondo, Takeshi, Kikuchi, Mihoko, Masuda, Hidetake, Katsumata, Fumiya, Aikawa, Tatsuo, Yuasa, Makoto
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container_end_page F3077
container_issue 6
container_start_page F3072
container_title Journal of the Electrochemical Society
container_volume 165
creator Kondo, Takeshi
Kikuchi, Mihoko
Masuda, Hidetake
Katsumata, Fumiya
Aikawa, Tatsuo
Yuasa, Makoto
description Platinum nanoparticle-supported boron-doped diamond powder (Pt/BDDP) was prepared and investigated as a durable polymer electrolyte fuel cell (PEFC) cathode catalyst. The use of the nanocapsule method enabled dense deposition of Pt nanoparticles (2-5 nm in size) on a boron-doped diamond (BDD) powder
doi_str_mv 10.1149/2.0111806jes
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Decreases in the electrochemically active surface area of the Pt/BDDP were suppressed compared to that of Pt/C. Corrosion resistance of BDD against potential cycling was demonstrated by testing a BDD thin-film electrode. The corrosion resistance should be responsible for the improved durability of the BDDP support, possibly by lowering the Pt nanoparticle association process (e.g., agglomeration).</abstract><pub>The Electrochemical Society</pub><doi>10.1149/2.0111806jes</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-4717-9012</orcidid><oa>free_for_read</oa></addata></record>
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