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US 2024/0194902 A1Published application
Polybenzimidazole-based separator for secondary battery, and method of preparing fabricating same and secondary battery comprising the same
AssigneeStandard Energy Inc.
InventorsDongyoung LEE, Dongheun KIM
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Abstract
Disclosed is a method for manufacturing a polybenzimidazole-based separator, the method including: dissolving a polybenzimidazole-based compound in an amide-based organic solvent to produce a polybenzimidazole solution; impregnating a porous membrane with the polybenzimidazole solution; and drying the porous membrane impregnated with the polybenzimidazole solution at a temperature of 80° C. or lower to obtain the polybenzimidazole-based separator.
Claims15
A method for manufacturing a polybenzimidazole-based separator, the method comprising:
- dissolving a polybenzimidazole-based compound in an amide-based organic solvent to produce a polybenzimidazole solution;
- impregnating a porous membrane with the polybenzimidazole solution;
- and
- drying the porous membrane impregnated with the polybenzimidazole solution at a temperature of 80° C. or lower to obtain the polybenzimidazole-based separator.
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Dependencies are inferred from the claim text.