Film sulfonate
Sulfonation is a method of reacting organic materials with concentrated sulfuric acid or SO3 gas to obtain a sulfonic acid group as a functional group.
Secondary batteries using these separators are not only used in computers and mobile phones, but practical applications have also begun for batteries in hybrid and electric vehicles, with a sharp increase in demand expected in the future. In addition to secondary battery separators, a wide range of developments is anticipated, including cation exchange membranes for fuel cells and antistatic films.
- Company：テイカ
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