| 摘要 |
A laminate consisting of an ion exchange membrane layer comprising a porous film reinforcement and a crosslinked ion exchange resin and a conductive layer formed on at least one side of the ion exchange membrane layer and comprising conductive inorganic particles and a crosslinked ion exchange resin, wherein the ion exchange membrane layer and the conductive layer are integrated with each other by the above ion exchange resins constituting these layers. This laminate is excellent in dimensional stability, heat resistance and methanol impermeability, which makes it suitable for use in electrochemical devices such as a direct methanol type fuel cell as a membrane-electrode assembly, has high bonding properties between the electrode layer and the ion exchange membrane layer of the membrane-electrode assembly, and provides a fuel cell whose output is not reduced by long-term use.
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