JPS57152665A - Dry cell - Google Patents

Dry cell

Info

Publication number
JPS57152665A
JPS57152665A JP56038416A JP3841681A JPS57152665A JP S57152665 A JPS57152665 A JP S57152665A JP 56038416 A JP56038416 A JP 56038416A JP 3841681 A JP3841681 A JP 3841681A JP S57152665 A JPS57152665 A JP S57152665A
Authority
JP
Japan
Prior art keywords
separator
swelling
synthetic fiber
reforming
electrolyte
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
JP56038416A
Other languages
Japanese (ja)
Inventor
Kazumasa Yoshida
Kenji Koga
Yoshitoki Kitami
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.)
FDK Twicell Co Ltd
Original Assignee
Toshiba Battery 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 Toshiba Battery Co Ltd filed Critical Toshiba Battery Co Ltd
Priority to JP56038416A priority Critical patent/JPS57152665A/en
Publication of JPS57152665A publication Critical patent/JPS57152665A/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
    • H01M50/42—Acrylic resins
    • 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 increase the preservation performance and the liquidleakage resisting performance of a battery by using a non-woven separator prepared by reforming the surfaces of a non-swelling synthetic fiber so that the said surfaces have swelling property. CONSTITUTION:After a positive mixture 2 is packed into a metal case 1 in cylindrical form, a cylindrical separator 3 is inserted into the hollow center of the mixture 2, and electrolyte is poured into the separator 3. After that, a gel- like negative body 4 is packed into the hollow center of the separator 3, and the battery is sealed with an insulating gasket 7 and a negative terminal sealing plate 5 having a current collecting bar 6, thereby constituting an alkaline manganese dry cell. The separator 3 is made of a non-woven fabric prepared by reforming the surfaces of a synthetic fiber with non-swelling or small-swelling property, such as a polyacrylic system synthetic fiber, into reformed parts 9 so that the parts 9 swell into colloidal form when they are impregnated with the electrolyte. The above reforming treatment is carried out by, for example, hydrolyzing the surfaces of a fiber made of polyacrylonitrile used as a core body into acrylic acid layers.
JP56038416A 1981-03-17 1981-03-17 Dry cell Pending JPS57152665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56038416A JPS57152665A (en) 1981-03-17 1981-03-17 Dry cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56038416A JPS57152665A (en) 1981-03-17 1981-03-17 Dry cell

Publications (1)

Publication Number Publication Date
JPS57152665A true JPS57152665A (en) 1982-09-21

Family

ID=12524697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56038416A Pending JPS57152665A (en) 1981-03-17 1981-03-17 Dry cell

Country Status (1)

Country Link
JP (1) JPS57152665A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50101834A (en) * 1974-01-09 1975-08-12
JPS52101437A (en) * 1976-02-20 1977-08-25 Hitachi Maxell Separator for battery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50101834A (en) * 1974-01-09 1975-08-12
JPS52101437A (en) * 1976-02-20 1977-08-25 Hitachi Maxell Separator for battery

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