Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
186827 | Electrochimica Acta | 2013 | 6 Pages |
Abstract
Mesoporous carbon spheres (MPCs) are synthesized using a template assisted ultrasonic spray pyrolysis technique and explored as the support materials for non-noble metal electrocatalysts intended to be used for PEM fuel cell oxygen reduction reaction (ORR). TEM images show that MPCs synthesized are the honeycomb-like carbon spheres with uniform nanosized pores. MPC's surface area, thermal stability and affinity to catalyst are improved by a second heat treatment and an acidic treatment, confirmed by BET, TGA, and electrochemical measurements, respectively. The synthesized Fe-Nx catalyst with MPC support shows an improved ORR activity when compared to the catalyst supported by commercially available Black Pearl 2000.
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Lei Zhang, Jenny Kim, Eben Dy, Shuai Ban, Keh-chyun Tsay, Hiroyuki Kawai, Zheng Shi, Jiujun Zhang,