Proton exchange membrane
A proton exchange membrane, sulfonated polyether ether ketone technology, applied in the field of fuel cells, can solve the problems of restricting large-scale application, reducing battery performance, high price, etc., to reduce methanol permeability, improve comprehensive performance, and good processability. Effect
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[0016] Specific embodiments of the present invention are given below to further illustrate the structure of the present invention.
[0017] The proton exchange membrane of the present invention comprises a combination of sulfonated polyether ether ketone solution, sulfonated polyphenylene ether, polyaniline filtrate, heteropoly acid and titanium dioxide fluid.
[0018] Further, the mass percentage of the sulfonated polyether ether ketone solution, sulfonated polyphenylene ether, polyaniline filtrate, heteropoly acid and titanium dioxide fluid is 50:20:10:20.
[0019] Further, the sulfonated polyether ether ketone solution is a sulfonated polyether ether ketone solid with a sulfonation degree of 50% to 70%.
[0020] Further, the degree of sulfonation of the sulfonated polyphenylene ether is 40 to 80%.
[0021] Further, the heteropoly acid is made by mixing silicotungstic acid and phosphotungstic acid.
[0022] A preparation method of proton exchange membrane includes the following steps: ...
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