JPS55165572A - Zinc-alkaline secondary cell - Google Patents

Zinc-alkaline secondary cell

Info

Publication number
JPS55165572A
JPS55165572A JP7309179A JP7309179A JPS55165572A JP S55165572 A JPS55165572 A JP S55165572A JP 7309179 A JP7309179 A JP 7309179A JP 7309179 A JP7309179 A JP 7309179A JP S55165572 A JPS55165572 A JP S55165572A
Authority
JP
Japan
Prior art keywords
nonwoven fabric
separator
dendriting
tio2
thickness
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
JP7309179A
Other languages
Japanese (ja)
Inventor
Motoi Kanda
Shuji Yamada
Hiroichi Niki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7309179A priority Critical patent/JPS55165572A/en
Publication of JPS55165572A publication Critical patent/JPS55165572A/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
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0014—Alkaline electrolytes
    • 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 raise the dendriting resistance of separator and lengthen the life of cycle by using a nonwoven fabric-arranged composite separator on both sides of a three dimensional network fluorine-containing resin layer containing the fine powder of metal oxides, e.g., TiO2, etc. CONSTITUTION:A composite separator with the nonwoven fabric layers 2 and 3 of polyamide, polypropylene, etc., is provided on both sides of the three dimensional net work fibrous fluorine-containing resin layer 1 containing 80-40wt% one or more of TiO2, ZrO2, and HfO2 fine powders passing through a 200mesh sieve. The nonwoven fabric layer 2 used on the zinc negative electrode side has preferably a thickness of 0.1mm. or less and coarse pores, and also the nonwoven fabric layer 3 used on the positive electrode side has preferably a thickness of 0.1-1.0mm.. Thus, the dendriting resistance mechanical strength characteristics of the separator can be raised and the cycle characteristics of charge and discharge can be enhanced.
JP7309179A 1979-06-12 1979-06-12 Zinc-alkaline secondary cell Pending JPS55165572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7309179A JPS55165572A (en) 1979-06-12 1979-06-12 Zinc-alkaline secondary cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7309179A JPS55165572A (en) 1979-06-12 1979-06-12 Zinc-alkaline secondary cell

Publications (1)

Publication Number Publication Date
JPS55165572A true JPS55165572A (en) 1980-12-24

Family

ID=13508313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7309179A Pending JPS55165572A (en) 1979-06-12 1979-06-12 Zinc-alkaline secondary cell

Country Status (1)

Country Link
JP (1) JPS55165572A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005038961A3 (en) * 2003-10-09 2006-05-04 Gillette Co Battery separator
US20110281172A1 (en) * 2004-02-09 2011-11-17 Lg Chem, Ltd. Organic/inorganic composite porous film and electrochemical device prepared thereby
CN103545472A (en) * 2012-07-17 2014-01-29 比亚迪股份有限公司 Composite diaphragm for lithium battery as well as preparation method thereof and lithium battery including composite diaphragm
US8741470B2 (en) 2007-04-24 2014-06-03 Lg Chem, Ltd. Electrochemical device having different kinds of separators

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005038961A3 (en) * 2003-10-09 2006-05-04 Gillette Co Battery separator
CN100435387C (en) * 2003-10-09 2008-11-19 吉莱特公司 Battery separator
US20110281172A1 (en) * 2004-02-09 2011-11-17 Lg Chem, Ltd. Organic/inorganic composite porous film and electrochemical device prepared thereby
US8409746B2 (en) 2004-09-02 2013-04-02 Lg Chem, Ltd. Organic/inorganic composite porous film and electrochemical device prepared thereby
US9490463B2 (en) 2004-09-02 2016-11-08 Lg Chem, Ltd. Organic/inorganic composite porous film and electrochemical device prepared thereby
US8741470B2 (en) 2007-04-24 2014-06-03 Lg Chem, Ltd. Electrochemical device having different kinds of separators
CN103545472A (en) * 2012-07-17 2014-01-29 比亚迪股份有限公司 Composite diaphragm for lithium battery as well as preparation method thereof and lithium battery including composite diaphragm

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