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

被引：333

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：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

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

页码：122 / 126

页数：5

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