Influence of Transition Metal on Oxygen Reduction Activity of Metal-Nitrogen-Carbon Electrocatalyst | Zendy

Selvarani Ganesan | Zendy; Nathaniel Leonard | Zendy; Scott Calabrese Barton | Zendy

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Influence of Transition Metal on Oxygen Reduction Activity of Metal-Nitrogen-Carbon Electrocatalyst

Author(s) -

Selvarani Ganesan,

Nathaniel Leonard,

Scott Calabrese Barton

Publication year - 2013

Publication title -

ecs transactions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.235

H-Index - 52

eISSN - 1938-6737

pISSN - 1938-5862

DOI - 10.1149/05801.1691ecst

Subject(s) - catalysis , electrocatalyst , carbon fibers , pyrolysis , inorganic chemistry , melamine , chemistry , nitrogen , metal , transition metal , oxygen , materials science , organic chemistry , electrochemistry , electrode , composite number , composite material

Iron-based metal nitrogen carbon (MNC) catalysts are produced by high-pressure pyrolysis of carbon and melamine with varying amounts of iron acetate in a closed, constant-volume reactor. The optimum amount of Fe (1.2 wt%) in MNC catalysts is established through oxygen reduction reaction (ORR) polarization. The amount of Fe retained in MNC catalysts after leaching is determined from UV-Vis spectroscopy. MNC catalysts are also prepared in the absence of one of the reaction constituents, particularly the nitrogen and iron sources, to understand the ORR active sites.

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