JPS6427158A - Lithium secondary battery - Google Patents

Lithium secondary battery

Info

Publication number
JPS6427158A
JPS6427158A JP62181165A JP18116587A JPS6427158A JP S6427158 A JPS6427158 A JP S6427158A JP 62181165 A JP62181165 A JP 62181165A JP 18116587 A JP18116587 A JP 18116587A JP S6427158 A JPS6427158 A JP S6427158A
Authority
JP
Japan
Prior art keywords
film
density
positive pole
unwoven cloth
secondary battery
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
JP62181165A
Other languages
Japanese (ja)
Inventor
Mitsuru Koseki
Masaru Fujita
Yasuo Nakamura
Atsuki Funada
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.)
Hitachi Ltd
Resonac Holdings Corp
Resonac Corp
Original Assignee
Showa Denko KK
Hitachi Chemical Co Ltd
Hitachi Ltd
Shin Kobe Electric Machinery 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 Showa Denko KK, Hitachi Chemical Co Ltd, Hitachi Ltd, Shin Kobe Electric Machinery Co Ltd filed Critical Showa Denko KK
Priority to JP62181165A priority Critical patent/JPS6427158A/en
Publication of JPS6427158A publication Critical patent/JPS6427158A/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • 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
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic 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
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/454—Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • 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 prevent internal shortcircuiting effectively by forming a separator from a lamination of porous high-density film with resistance against electrolyte and unwoven cloth, and by arranging the film on the positive pole side. CONSTITUTION:An unwoven cloth and a film are laminated or adhered fast with the film positioned on the positive pole 2 side, wherein the unwoven cloth 5 is of glass fiber etc., having a thickness of 60-200mum, a density of 0.3-0.45g/cm<3>, while the film is of polyethylene etc., having a thickness of 25-100mum and a density of 0.5-0.6g/cm<3>. The negative pole is made of metal Li etc., while the positive pole is of an electroconductive polymer such as polyacetylene, and the solution used shall for ex. be LiClO4, and the solvent 1, 2-dimethoxyethane, whereto triethyl amin etc., is added as a stabilizer. According to this arrangement, eventual production of Li dendrite on the negative pole 1 will not necessarily lead directly to internal shortcircuiting, that should prolong the cycle life of a Li secondary battery.
JP62181165A 1987-07-22 1987-07-22 Lithium secondary battery Pending JPS6427158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62181165A JPS6427158A (en) 1987-07-22 1987-07-22 Lithium secondary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62181165A JPS6427158A (en) 1987-07-22 1987-07-22 Lithium secondary battery

Publications (1)

Publication Number Publication Date
JPS6427158A true JPS6427158A (en) 1989-01-30

Family

ID=16096022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62181165A Pending JPS6427158A (en) 1987-07-22 1987-07-22 Lithium secondary battery

Country Status (1)

Country Link
JP (1) JPS6427158A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6159634A (en) * 1998-04-15 2000-12-12 Duracell Inc. Battery separator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6159634A (en) * 1998-04-15 2000-12-12 Duracell Inc. Battery separator

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