A preparation method of a fuel cell membrane electrode with a sealed frame
A fuel cell membrane and sealing technology, which is applied to battery electrodes, circuits, electrical components, etc., can solve the problems of waste of catalyst slurry, low production efficiency, and many processes, so as to achieve simple and easy engineering process, eliminate swelling deformation, and simplify Effects of the forming process
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[0038] The invention aims to provide a method for preparing a membrane electrode with little damage to the catalytic layer, high precision and good stability.
[0039] See figure 2 , The polymer electrolyte membrane 2 is wound on the first feed roller 1, and both sides of the polymer electrolyte membrane 2 are not coated with electrodes; the sealing frame 3 is wound on the second feed roller 4 to realize feeding, and two second The feed rollers 4 are symmetrically distributed on the upper and lower sides of the first feed roller 1. The first feed roller 1 and the two second feed rollers 4 are both located on the same side of the heat press table 5. When feeding, the sealing frame 3 The side facing the polymer electrolyte membrane 2 is coated with hot melt adhesive, wherein the sealing frame 3 has an opening 31 in the middle, and will be subsequently joined to the edge of the polymer electrolyte membrane 2.
[0040] During the preparation process, the polymer electrolyte membrane 2...
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