隔离膜为微孔性及多孔性薄膜，材质以PP、PE为主，置于电芯内部正负极之间。主要用作隔离正负极板，防止电池内部阴阳极短路，可使离子通过，并具保持电解液的功能。
所说的垫条至少包括一个隔离膜层，其底面喷有粘贴固定用的不干胶的不干胶层。
The pad strips include at least one isolation film. A sticky glue layer of sticky glues, which are used for sticking, is sprayed on the bottom of the isolation film.
由于是硬壳包装，电极表面聚合物膜在溶胀时体积增大，可在电极和隔离膜间形成良好的界面。
Volumes of the polymer films on the surfaces of the electrodes are increased when in swelling due to crust packaging, and a good interface is formed between the electrodes and the separation films.
超级电容器主要由极化电极、集电极、电解质、隔离膜、引线和封装材料几部分组成，各部分的组成、结构均对其性能有重要的影响。
It consists of polarized electrode, collector, electrolyte, separator, lead and packing material, and its performances are affected by the composition and structure of each component greatly.
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