摘要：【中文】本发明涉及一种燃料电池用质子交换膜及其制备方法。所述质子交换膜的原料包括质子交换树脂和改性材料；所述改性材料的原料包括无机材料和有机硅烷偶联剂；所述无机材料选自金属氧化物或金属氢氧化物；所述金属氧化物中，包含摩尔分数为80％‑99.99％的所述金属元素的稳定价态和摩尔分数为0.01％‑20％的所述金属元素的不稳定价态；所述金属氢氧化物中，包含摩尔分数为80％‑99.99％的所述金属元素的稳定价态和摩尔分数为0.01％‑20％的所述金属元素的不稳定价态。所述质子交换膜不仅具有优异的机械强度、质子传导率等，还具有优异的耐久性，使用寿命长。 【EN】The invention relates to a proton exchange membrane for a fuel cell and a preparation method thereof. The raw materials of the proton exchange membrane comprise proton exchange resin and a modified material; the raw materials of the modified material comprise an inorganic material and an organosilane coupling agent; the inorganic material is selected from metal oxides or metal hydroxides; the metal oxide comprises a stable valence state of the metal element with a mole fraction of 80-99.99% and an unstable valence state of the metal element with a mole fraction of 0.01-20%; the metal hydroxide contains a stable valence state of the metal element with a mole fraction of 80-99.99% and an unstable valence state of the metal element with a mole fraction of 0.01-20%. The proton exchange membrane not only has excellent mechanical strength, proton conductivity and the like, but also has excellent durability and long service life.

摘要：【中文】本发明涉及一种锂离子电池隔膜的制备方法。所述制备方法包括以下步骤：混合超高分子量聚乙烯和溶剂，第一次加热搅拌，得预溶胀混合液；对所述预溶胀混合液进行研磨，然后加入含氟聚合物，第二次加热搅拌，得分散液；将所述分散液熔融挤出，得塑化后的熔体膜；对所述塑化后的熔体膜进行后处理。本发明所述制备方法，可使超高分子量聚乙烯塑化均匀，形成的隔膜厚度分布均匀，微孔大小及分布均匀、高温热收缩小、穿刺强度高、破膜温度高。 【EN】The invention relates to a preparation method of a lithium ion battery diaphragm. The preparation method comprises the following steps: mixing ultra-high molecular weight polyethylene and a solvent, and heating and stirring for the first time to obtain a pre-swelling mixed solution; grinding the pre-swelling mixed solution, adding a fluorine-containing polymer, and heating and stirring for the second time to obtain a dispersion liquid; melting and extruding the dispersion liquid to obtain a plasticized melt film; and carrying out post-treatment on the plasticized melt film. The preparation method of the invention can plasticize the ultra-high molecular weight polyethylene uniformly, and the formed diaphragm has uniform thickness distribution, uniform micropore size and distribution, small high-temperature heat shrinkage, high puncture strength and high diaphragm breaking temperature.