Influences of Mechanical and Structural Factors on the Durability of PEFC with Gel Electrolyte Membranes

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概要

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• AMPS polymer membranes containing various amounts of water were fabricated to simulate the material degradation of in-service membranes in PEFC. The life time of PEFC was measured along with measurements of tensile properties and swelling of the membranes. It was concluded that (1) the failure of PEFC is caused by fracture of the AMPS membrane; (2) the tensile strength of the AMPS membrane decreases with increasing water content due to a softening of the membrane; and (3) a high concentration of the cross-linker molecules is very effective for improving the mechanical strength of the membrane and the resistive force against the swelling, which results in the longer durability of PEFC.

• 公益社団法人 電気化学会の論文

著者

• CHIBA Hiroki

  Department of Materials Science and Engineering, Muroran Institute of Technology

関連論文

• Influences of Mechanical and Structural Factors on the Durability of PEFC with Gel Electrolyte Membranes

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