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

被引：3

作者：

Ganesan, S. ^{[1
]}

Leonard, N. ^{[1
]}

Barton, S. Calabrese ^{[1
]}

机构：

[1] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA

来源：

POLYMER ELECTROLYTE FUEL CELLS 13 (PEFC 13) | 2013年 / 58卷 / 01期

关键词：

CATHODE CATALYSTS; AREA CARBON; FUEL-CELLS; IRON; XPS;

D O I：

10.1149/05801.1691ecst

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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.

引用

页码：1691 / 1699

页数：9

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