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Component Optimization for Catalyst Layers in Proton Exchange Membrane Fuel Cells

Jiaheng Peng,a Wencong Zhang,a Xuewei Zhang,*,b Peng Tao,a Chengyi Song,a Wen Shang,a Tao Deng,a,c,d and Jianbo Wu*,a,c,d   

  1. a State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai 200240, China
    b Weichai Power Co., Ltd., 197 Fushoudong Rd, Weifang, Shandong 261000, China
    c Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, China
    d Materials Genome Initiative Center, Shanghai Jiao Tong University, Shanghai 200240, China
  • Received:2020-10-03 Revised:2020-11-21 Online:2020-12-20
  • Contact: zhangxuew@weichai.com (X. Z.); jianbowu@sjtu.edu.cn (J. W.)
  • Supported by:
     

Abstract: Proton exchange membrane fuel cells (PEMFCs) have been recognized as a promising energy conversion solution. The biggest challenges for the commercialization of PEMFCs are cost and durability. Although many efforts have been made on catalysts, the performance and durability of the membrane electrode assemblies (MEAs) still cannot fully meet the targets established by the U.S. Department of Energy. Optimizing the catalyst layer to maximize the utilization of catalysts is a quite practical issue. In this paper, we reviewed the most recent advances on the component optimization for catalyst layers, including support materials, ionomers, and solvents. Based on the reaction mechanism on the three-phase boundary, enhancing the intrinsic properties of each component and optimizing their interactions can attribute a lot to the performance and durability of PEMFCs.

 

Key words: proton exchange membrane fuel cells, catalyst layers, support materials, ionomers, solvents

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