GB2054251B - Separators for lead acid accumulators - Google Patents

Separators for lead acid accumulators

Info

Publication number
GB2054251B
GB2054251B GB8015958A GB8015958A GB2054251B GB 2054251 B GB2054251 B GB 2054251B GB 8015958 A GB8015958 A GB 8015958A GB 8015958 A GB8015958 A GB 8015958A GB 2054251 B GB2054251 B GB 2054251B
Authority
GB
United Kingdom
Prior art keywords
separators
lead acid
acid accumulators
accumulators
lead
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.)
Expired
Application number
GB8015958A
Other versions
GB2054251A (en
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of GB2054251A publication Critical patent/GB2054251A/en
Application granted granted Critical
Publication of GB2054251B publication Critical patent/GB2054251B/en
Expired 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
    • H01M50/429—Natural polymers
    • H01M50/4295—Natural cotton, cellulose or wood
    • 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
    • H01M50/491—Porosity
    • 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
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Cell Separators (AREA)
GB8015958A 1979-05-18 1980-05-14 Separators for lead acid accumulators Expired GB2054251B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22799/79A IT1114250B (en) 1979-05-18 1979-05-18 PROCEDURE AND DEVICE TO PREPARE SEPARATORS FOR ACCUMULATOR BATTERIES

Publications (2)

Publication Number Publication Date
GB2054251A GB2054251A (en) 1981-02-11
GB2054251B true GB2054251B (en) 1983-04-27

Family

ID=11200550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8015958A Expired GB2054251B (en) 1979-05-18 1980-05-14 Separators for lead acid accumulators

Country Status (6)

Country Link
JP (1) JPS55155467A (en)
DE (1) DE3018592A1 (en)
ES (1) ES491594A0 (en)
FR (1) FR2457019A1 (en)
GB (1) GB2054251B (en)
IT (1) IT1114250B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322169B1 (en) * 1987-12-21 1996-08-14 Entek Manufacturing Inc. Microporous filaments and fibers, process of making same, and articles made therefrom
FR2628570B1 (en) * 1988-03-10 1990-12-28 Mauduit Papeteries SEPARATOR FOR ALKALINE CELLS, MANUFACTURING METHOD THEREOF, AND CELLS COMPRISING SUCH A SEPARATOR
CN111628132B (en) 2014-05-05 2023-04-07 戴瑞米克有限责任公司 Improved lead acid battery separator, electrode, battery and method of manufacture and use thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE555050A (en) * 1956-02-16
LU37032A1 (en) * 1958-03-28
NL246230A (en) * 1958-12-09
JPS5311059B2 (en) * 1973-04-06 1978-04-19
DE2914012A1 (en) * 1979-04-06 1980-10-16 Montedison Spa Porous separator prodn. for sulphuric acid accumulator - by heating cellulose and thermoplastic polymer fibrous sheet contg. wetting agent to melt polymer

Also Published As

Publication number Publication date
JPS55155467A (en) 1980-12-03
FR2457019A1 (en) 1980-12-12
DE3018592C2 (en) 1989-06-08
ES8104817A1 (en) 1981-05-16
FR2457019B1 (en) 1983-09-23
ES491594A0 (en) 1981-05-16
DE3018592A1 (en) 1980-11-27
IT7922799A0 (en) 1979-05-18
IT1114250B (en) 1986-01-27
GB2054251A (en) 1981-02-11
JPH04339B2 (en) 1992-01-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940514