Highly durable Pd metal catalysts for the oxygen reduction reaction in fuel cells; Coverage of Pd metal with silica

Sakae Takenaka; Naoto Susuki; Hiroaki Miyamoto; Eishi Tanabe; Hideki Matsune; Masahiro Kishida

doi:10.1039/c0cc04055j

Highly durable Pd metal catalysts for the oxygen reduction reaction in fuel cells; Coverage of Pd metal with silica

Sakae Takenaka, Naoto Susuki, Hiroaki Miyamoto, Eishi Tanabe, Hideki Matsune, Masahiro Kishida

Molecular and Biochemical Systems Engineering

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

Pd cathode catalysts for polymer electrolyte fuel cells have been covered with silica layers a few nanometres thick. The silica-coated Pd catalysts showed high activity and excellent durability for the oxygen reduction under the severe cathode conditions of PEFCs, while Pd catalysts without silica-coating were seriously deactivated under the same conditions. The coverage of Pd metal with silica prevents the diffusion of Pd species out of the silica layers.

Original language	English
Pages (from-to)	8950-8952
Number of pages	3
Journal	Chemical Communications
Volume	46
Issue number	47
DOIs	https://doi.org/10.1039/c0cc04055j
Publication status	Published - Dec 21 2010

All Science Journal Classification (ASJC) codes

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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abstract = "Pd cathode catalysts for polymer electrolyte fuel cells have been covered with silica layers a few nanometres thick. The silica-coated Pd catalysts showed high activity and excellent durability for the oxygen reduction under the severe cathode conditions of PEFCs, while Pd catalysts without silica-coating were seriously deactivated under the same conditions. The coverage of Pd metal with silica prevents the diffusion of Pd species out of the silica layers.",

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AU - Takenaka, Sakae

AU - Susuki, Naoto

AU - Miyamoto, Hiroaki

AU - Tanabe, Eishi

AU - Matsune, Hideki

AU - Kishida, Masahiro

PY - 2010/12/21

Y1 - 2010/12/21

N2 - Pd cathode catalysts for polymer electrolyte fuel cells have been covered with silica layers a few nanometres thick. The silica-coated Pd catalysts showed high activity and excellent durability for the oxygen reduction under the severe cathode conditions of PEFCs, while Pd catalysts without silica-coating were seriously deactivated under the same conditions. The coverage of Pd metal with silica prevents the diffusion of Pd species out of the silica layers.

AB - Pd cathode catalysts for polymer electrolyte fuel cells have been covered with silica layers a few nanometres thick. The silica-coated Pd catalysts showed high activity and excellent durability for the oxygen reduction under the severe cathode conditions of PEFCs, while Pd catalysts without silica-coating were seriously deactivated under the same conditions. The coverage of Pd metal with silica prevents the diffusion of Pd species out of the silica layers.

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