An Effective Pd-Ni2P/C Anode Catalyst for Direct Formic Acid Fuel Cells

被引：328
作者：
Chang, Jinfa [1 ]
Feng, Ligang [2 ]
Liu, Changpeng [1 ]
Xing, Wei [1 ]
Hu, Xile [2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, Lab Adv Power Sources, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China
[2] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, ISIC LSCI, CH-1015 Lausanne, Switzerland
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 01期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
electrocatalysis; formic acid; fuel cells; oxidation; nickel; PD-P CATALYST; ELECTROCATALYTIC PERFORMANCE; ELECTROOXIDATION; OXIDATION; NANOPARTICLES; CO;
D O I：
10.1002/anie.201308620
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The direct formic acid fuel cell is an emerging energy conversion device for which palladium is considered as the state-of-the-art anode catalyst. In this communication, we show that the activity and stability of palladium for formic acid oxidation can be significantly enhanced using nickel phosphide (Ni2P) nanoparticles as a cocatalyst. X-ray photoelectron spectroscopy (XPS) reveals a strong electronic interaction between Ni2P and Pd. A direct formic acid fuel cell incorporating the best Pd-Ni2P anode catalyst exhibits a power density of 550mWcm(-2), which is 3.5times of that of an analogous device using a commercial Pd anode catalyst.
引用
收藏
页码：122 / 126
页数：5
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