Method for improving sealing performance of membrane electrode
A sealing performance, membrane electrode technology, used in sealing/supporting devices, fuel cell components, circuits, etc., can solve problems such as poor electrode sealing, achieve good air tightness, good adhesion, and ensure air tightness. Effect
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[0027] Please refer to figure 1 , with reference to Figure 2 to Figure 4 , the application provides a method for improving the sealing performance of membrane electrodes, comprising the following steps:
[0028] S1, wrapping an inner frame 3 on the outer surface of the proton exchange membrane 2;
[0029] S2, combining the two opposite first outer surfaces of the inner frame 3 with the cathode gas diffusion layer 4 and the anode gas diffusion layer 5 under a hot press to form a membrane electrode 1; wherein, the hot pressing temperature of the hot press is 110-160℃, pressure 5-10bar, hot pressing time 30s-5min;
[0030] S3, wrapping a layer of outer frame 6 on the two second outer surfaces opposite to the inner frame 3;
[0031] S4, a layer of sealing ring 7 is pasted on the two opposite outer surfaces of the outer frame 6 through double-sided adhesive tape.
[0032] It should be noted that, in this embodiment, in step S1, the inner frame 3 is generally made of a film wit...
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