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2017, Volume 11, Issue 3

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Frontiers in Energy >> 2017, Volume 11, Issue 3 doi: 10.1007/s11708-017-0491-5

Nitrogen-doped carbon black supported Pd nanoparticles as an effective catalyst for formic acid electro-oxidation reaction

. State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Laboratory of Advanced Power Sources, Changchun 130022, China; State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China.. State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Laboratory of Advanced Power Sources, Changchun 130022, China.. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

Accepted: 2017-08-22 Available online: 2017-09-07
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Abstract

Pd nanoparticles supported on nitrogen doped carbon black (Vulcan XC-72R) with two different levels of doping were prepared by the microwave-assisted ethylene glycol reduction process and used as catalyst for the formic acid electro-oxidation (FAEO). The results indicate that the different nitrogen doping contents in Pd/N-C catalysts have a significant effect on the performance of FAEO. A higher N content facilitates the uniform dispersion of Pd nanoparticles on carbon black with narrow particle size distribution. Furthermore, the electrochemical results show that the catalyst with a higher N-doping content possesses a higher catalytic activity and a long-term stability for FAEO. The peak current density of the Pd/N-C (high) catalyst is 1.27 and 2.31 times that of the Pd/N-C (low) and homemade Pd/C-H catalyst. The present paper may provide a simple method for preparation of high-performance anode catalyst for direct formic acid fuel cells (DFAFCs).

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