Development of Ruthenium-Based Catalysts for Oxygen Reduction Reaction | Zendy

Lingyun Liu | Zendy; Hansung Kim | Zendy; Jong Won Lee | Zendy; Branko N. Popov | Zendy

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Development of Ruthenium-Based Catalysts for Oxygen Reduction Reaction

Author(s) -

Lingyun Liu,

Hansung Kim,

Jong Won Lee,

Branko N. Popov

Publication year - 2007

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/1.2402108

Subject(s) - catalysis , ruthenium , chemistry , hydrogen peroxide , oxygen , inorganic chemistry , pyrolysis , carbon fibers , selectivity , hydrogen , oxygen reduction reaction , redox , nitrogen , electrochemistry , organic chemistry , materials science , electrode , composite number , composite material

A process was developed to synthesize ruthenium-based chelate (RuN x ) electrocatalysts for the oxygen reduction reaction, using RuCl 3 and propylene diammine as the Ru and N precursors, respectively. High-temperature pyrolysis has a critical role in the formation of the catalytic Ru-N sites for oxygen reduction. The RuN x catalyst modified in the presence of nitrogen-containing organic exhibited comparable catalytic activity and selectivity for oxygen reduction to the carbon-supported Pt catalyst in acidic media. The catalyst generates less than 2% hydrogen peroxide during oxygen reduction.

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