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二是通常使用的全氟磺酸质子交换膜的成本高且阻醇性能差。
One is low methanol oxidation activity at the anode, and the other is methanol crossover from the anode to the cathode through the membrane.
质子交换膜燃料电池采用全氟磺酸固体聚合物膜为电解质。
Proton exchange membrane fuel cells use a perfluorosulfonic solid polymer film as electrolyte.
该复合膜采用廉价的部分氟化磺酸树脂和PTFE来代替价格昂贵的全氟磺酸膜，可以大大降低质子交换膜成本。
The price of SPTFS/PTFE composite membranes was greatly reduced by using cheap partially fluorinated polymer instead of expensive perfuorinated resin.
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