JPS5673857A - Separator for battery - Google Patents

Separator for battery

Info

Publication number
JPS5673857A
JPS5673857A JP15109379A JP15109379A JPS5673857A JP S5673857 A JPS5673857 A JP S5673857A JP 15109379 A JP15109379 A JP 15109379A JP 15109379 A JP15109379 A JP 15109379A JP S5673857 A JPS5673857 A JP S5673857A
Authority
JP
Japan
Prior art keywords
sheet
plasticizer
polyolefin
separator
make
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15109379A
Other languages
Japanese (ja)
Inventor
Shuichi Ido
Shiro Tanshu
Masaaki Sasaki
Kazuo Murata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuasa Corp
Original Assignee
Yuasa Battery Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yuasa Battery Corp filed Critical Yuasa Battery Corp
Priority to JP15109379A priority Critical patent/JPS5673857A/en
Publication of JPS5673857A publication Critical patent/JPS5673857A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

PURPOSE:To obtain a separator which has high mechanical strength, as well as high resistance to both oxidation and heat by forming a material which is composed of a polyolefin, a plasticizer, and the like into a sheet, before the plasticizer and the like are extracted and the polyolefin is cross-linked. CONSTITUTION:A material that is composed of a polyolefin, an inactive bulking agent and a plasticizer, is formed into a sheet. Following that, parts of the bulking agent and the plasticizer are extracted from the sheet, and the polyolefin is cross- linked to make a separator for a battery. For instance, 10pts.vol. of a polyethylene, 15pts.vol. of silica and 75pts.vol. of process oil are added with an oxidation inhibitor to make a mixture, which is formed into a sheet. Next, the sheet is milled and is subjected to extrusion molding by means of an extruder to make a molded material, which is immersed in petroleum ether before rolled into a sheet. The thus prepared sheet undergoes the irradiation of electron rays which are discharged from an electron-ray accelerator to make the polyethylene to be cross-linked, thus a separator being obtained.
JP15109379A 1979-11-20 1979-11-20 Separator for battery Pending JPS5673857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15109379A JPS5673857A (en) 1979-11-20 1979-11-20 Separator for battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15109379A JPS5673857A (en) 1979-11-20 1979-11-20 Separator for battery

Publications (1)

Publication Number Publication Date
JPS5673857A true JPS5673857A (en) 1981-06-18

Family

ID=15511172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15109379A Pending JPS5673857A (en) 1979-11-20 1979-11-20 Separator for battery

Country Status (1)

Country Link
JP (1) JPS5673857A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127438A (en) * 1995-03-03 2000-10-03 Asahi Kasei Kogyo Kabushiki Kaisha Polyethylene microporous film and process for producing the same
CN115312971A (en) * 2022-08-18 2022-11-08 江阴纳力新材料科技有限公司 Polymer film, preparation method thereof and composite current collector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127438A (en) * 1995-03-03 2000-10-03 Asahi Kasei Kogyo Kabushiki Kaisha Polyethylene microporous film and process for producing the same
CN115312971A (en) * 2022-08-18 2022-11-08 江阴纳力新材料科技有限公司 Polymer film, preparation method thereof and composite current collector

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