Pyrolysis of melamine-treated vitamin B12 as a non-precious metal catalyst for oxygen reduction reaction

被引：16
|
作者：
Wang, Chen-Hao [1 ]
Huang, Hsin-Chih [1 ]
Chang, Sun-Tang [1 ]
Lin, Yu-Chuan [1 ]
Huang, Mei-Fang [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Mat Sci & Engn, Taipei 10607, Taiwan
来源：
RSC ADVANCES | 2014年 / 4卷 / 09期
关键词：
FE-BASED CATALYSTS; ELECTROLYTE FUEL-CELLS; CARBON SUPPORTS; ELECTROCATALYSTS; CATHODE;
D O I：
10.1039/c3ra45734f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Active, inexpensive non-precious metal substitutes for current Pt-based catalysis are needed to reduce the cost of proton exchange membrane fuel cells (PEMFC). In this work, pyrolysis of a carbon black-supported melamine-treated vitamin B12 (py-B12-M/C) catalyst for the oxygen reduction reaction (ORR) establishes that the surface nitrogen content and nitrogen-carbon ratio strongly affect ORR activity. Under optimal conditions, the number of transferred electrons in py-B12-M/C and the hydrogen peroxide yield of its ORR are 3.95 and 2.5%, respectively.
引用
收藏
页码：4207 / 4211
页数：5
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