JPS57191956A - Manufacture of separator for battery - Google Patents

Manufacture of separator for battery

Info

Publication number
JPS57191956A
JPS57191956A JP56076212A JP7621281A JPS57191956A JP S57191956 A JPS57191956 A JP S57191956A JP 56076212 A JP56076212 A JP 56076212A JP 7621281 A JP7621281 A JP 7621281A JP S57191956 A JPS57191956 A JP S57191956A
Authority
JP
Japan
Prior art keywords
electrolyte
separator
sulfuric acid
affinity
fuming sulfuric
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
JP56076212A
Other languages
Japanese (ja)
Inventor
Tsutomu Iwaki
Mamoru Ishitobi
Hiroshi Kawano
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56076212A priority Critical patent/JPS57191956A/en
Publication of JPS57191956A publication Critical patent/JPS57191956A/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
    • H01M50/44—Fibrous material
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cell Separators (AREA)

Abstract

PURPOSE:To increase both the affinity to electrolyte and the electrolyte-holding ability of a separator, which is made of a woven or non-woven fabric prepared from an olefin-system resin, while maintaining the increased life of the said separator. CONSTITUTION:A separator made of a woven or non-woven fabric prepared from polyethylene or polypropylene, although it has excellent electrolyte-resisting and acid-resisting property, has an extremely inferior affinity to electrolyte and has an inferior electrolyte-holding ability. Although the affinity to electrolyte of an olefin-system separator can be effectively improved by sulfonating the separator by use of fuming sulfuric acid or chlorosulfuric acid, adjustment of the concentration of fuming sulfuric acid is rather complicated. In this invention, the affinity to electrolyte and the electrolyte-holding ability of an olefin-system separator can be widely improved by using simple concentrate sulfuric acid instead of fuming sulfuric acid, and by making the treatment temperature high. Accordingly, since commercially available concentrate sulfuric acid itself can be used, an easily evaporating matter such as fuming sulfuric acid is not contained in the sulfonation solution, the above solution is remarkably stable, any adjustment of the concentration of the above solution becomes unnecessary, and there caused no problems in terms of circumstances. Here, the treatment temperature is perferred to be 100-120 deg.C, and immersion time in this condition should be in the range of 15-90 minutes.
JP56076212A 1981-05-19 1981-05-19 Manufacture of separator for battery Pending JPS57191956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56076212A JPS57191956A (en) 1981-05-19 1981-05-19 Manufacture of separator for battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56076212A JPS57191956A (en) 1981-05-19 1981-05-19 Manufacture of separator for battery

Publications (1)

Publication Number Publication Date
JPS57191956A true JPS57191956A (en) 1982-11-25

Family

ID=13598863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56076212A Pending JPS57191956A (en) 1981-05-19 1981-05-19 Manufacture of separator for battery

Country Status (1)

Country Link
JP (1) JPS57191956A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58175256A (en) * 1982-04-07 1983-10-14 Matsushita Electric Ind Co Ltd Manufacture of separator for battery
JPS62262366A (en) * 1986-05-08 1987-11-14 Ejison Watanabe Lead storage battery
JPH01132044A (en) * 1987-11-17 1989-05-24 Matsushita Electric Ind Co Ltd Separator for battery
US5213722A (en) * 1987-11-17 1993-05-25 Matsushita Electric Industrial Co., Ltd. Method of making a separator material for a storage battery

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58175256A (en) * 1982-04-07 1983-10-14 Matsushita Electric Ind Co Ltd Manufacture of separator for battery
JPH0732008B2 (en) * 1982-04-07 1995-04-10 松下電器産業株式会社 Method for manufacturing battery separator
JPS62262366A (en) * 1986-05-08 1987-11-14 Ejison Watanabe Lead storage battery
JPH0450706B2 (en) * 1986-05-08 1992-08-17 Keijison Watanabe
JPH01132044A (en) * 1987-11-17 1989-05-24 Matsushita Electric Ind Co Ltd Separator for battery
US5213722A (en) * 1987-11-17 1993-05-25 Matsushita Electric Industrial Co., Ltd. Method of making a separator material for a storage battery

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