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ES8104817A1 - Separators for lead acid accumulators - Google Patents

Separators for lead acid accumulators

Info

Publication number
ES8104817A1
ES8104817A1 ES491594A ES491594A ES8104817A1 ES 8104817 A1 ES8104817 A1 ES 8104817A1 ES 491594 A ES491594 A ES 491594A ES 491594 A ES491594 A ES 491594A ES 8104817 A1 ES8104817 A1 ES 8104817A1
Authority
ES
Spain
Prior art keywords
separators
sheet
lead acid
acid accumulators
spacers
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
ES491594A
Other languages
Spanish (es)
Other versions
ES491594A0 (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 ES491594A0 publication Critical patent/ES491594A0/en
Publication of ES8104817A1 publication Critical patent/ES8104817A1/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)

Abstract

A process of manufacturing separators comprises making a sheet of cellulosic fibres and polyethylene fibrils in particular proportions. Spacers (f) in the form of filaments of low-density polyethylene are deposited on the sheet (d) and heated to melt the fibrils on a cylinder (B). The spacers are then pressed onto the sheet by an idler roller (P) to yield a separator (h).
ES491594A 1979-05-18 1980-05-17 Separators for lead acid accumulators Expired ES8104817A1 (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
ES491594A0 ES491594A0 (en) 1981-05-16
ES8104817A1 true ES8104817A1 (en) 1981-05-16

Family

ID=11200550

Family Applications (1)

Application Number Title Priority Date Filing Date
ES491594A Expired ES8104817A1 (en) 1979-05-18 1980-05-17 Separators for lead acid accumulators

Country Status (6)

Country Link
JP (1) JPS55155467A (en)
DE (1) DE3018592A1 (en)
ES (1) ES8104817A1 (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
DE3855476T2 (en) * 1987-12-21 1997-01-02 Entek Mfg Inc Microporous filaments or fibers, process for making the same and articles made therewith
FR2628570B1 (en) * 1988-03-10 1990-12-28 Mauduit Papeteries SEPARATOR FOR ALKALINE CELLS, MANUFACTURING METHOD THEREOF, AND CELLS COMPRISING SUCH A SEPARATOR
EP3140875A4 (en) 2014-05-05 2018-01-03 Daramic, Llc Improved lead-acid battery separators, electrodes, batteries, and methods 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
NL237453A (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
GB2054251A (en) 1981-02-11
IT7922799A0 (en) 1979-05-18
JPH04339B2 (en) 1992-01-07
IT1114250B (en) 1986-01-27
JPS55155467A (en) 1980-12-03
FR2457019A1 (en) 1980-12-12
ES491594A0 (en) 1981-05-16
DE3018592C2 (en) 1989-06-08
GB2054251B (en) 1983-04-27
FR2457019B1 (en) 1983-09-23
DE3018592A1 (en) 1980-11-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401