Method of producing a dimensionally stable battery separator
AssigneesJapan Atomic Energy Research Institute, Yuasa Battery Co., Ltd.
InventorsSueo Machi, Isao Ishigaki, Takanobu Sugo, Kazuo Murata, Shiro Tanso, Keizi Senoo
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Abstract
A method of producing a dimensionally stable battery separator characterized by grafting acrylic acid and/or methacrylic acid onto a polyethylene film, treating the resulting membrane with an aqueous alkaline solution, and drying the treated membrane under application of tension.
Claims3
A method of producing a dimensionally stable battery separator characterized by grafting acrylic acid and/or methacrylic acid onto a polyethylene film, treating the resulting membrane with an aqueous alkaline solution, and drying the treated membrane under application of tension.
Dependencies are inferred from the claim text.