Membrane electrode assembly, its mfg. method and polymer electrolytic fuel cell using the same

Membrane electrode assembly, its mfg. method and polymer electrolytic fuel cell using the same

  • CN 100,428,549 C
  • Filed: 09/09/2002
  • Issued: 10/22/2008
  • Est. Priority Date: 09/11/2001
  • Status: Active Grant
First Claim
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1. membrane electrode assembly, it makes to two surfaces of proton conductive membrane by connecting gas-diffusion electrode, it is characterized in that:

  • Described aggregate has the membrane electrode coupling part, in each membrane electrode coupling part, proton conductive membrane and gas-diffusion electrode are joined together by the material that use has three-dimensional crosslinking structure, and described material comprises silicon-oxygen key, and form by sol gel reactionDescribed three-dimensional crosslinking structure contains proton conductive and gives material, and wherein said proton conductive gives material and is bonded directly on the three-dimensional crosslinking structure by covalent bond.

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