| 摘要 |
A fuel reformer which can easily achieve high weight energy density and high volume energy density, and a method for producing the fuel reformer with ease and high efficiency as well as an electrode for electrochemical device, such as a fuel cell, and an electrochemical device are provided. The present invention is to feed hydrogen obtained from a fuel reformer ( 1 ) having a catalyst layer ( 4 ) containing Pt for taking out hydrogen from a liquid fuel, such as methanol, and a hydrogen permeable layer ( 5 ), such as a Pd thin film, which is impermeable to liquid and permeable to hydrogen to an electrochemical device such as a fuel cell ( 40 ), which comprises a negative electrode ( 19 ), a positive electrode ( 23 ) and a proton conductive film ( 14 ) sandwiched therebetween. The present invention provides a method of producing the hydrogen permeable layer ( 5 ) in the reformer 1 by forming the hydrogen permeable layer ( 5 ) and the catalyst layer ( 4 ) on a base layer ( 51 ) comprising Al or the like, and removing the base layer ( 51 ) by dissolution.
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