CA2438307A1 - Continuous extruded lead alloy strip for battery electrodes - Google Patents

Continuous extruded lead alloy strip for battery electrodes Download PDF

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Publication number
CA2438307A1
CA2438307A1 CA002438307A CA2438307A CA2438307A1 CA 2438307 A1 CA2438307 A1 CA 2438307A1 CA 002438307 A CA002438307 A CA 002438307A CA 2438307 A CA2438307 A CA 2438307A CA 2438307 A1 CA2438307 A1 CA 2438307A1
Authority
CA
Canada
Prior art keywords
lead alloy
alloy strip
battery electrodes
continuous extruded
strip
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.)
Granted
Application number
CA002438307A
Other languages
French (fr)
Other versions
CA2438307C (en
Inventor
Douglas G. Clark
Kenneth Henning Runo Gustavsson
Derek William Russell
Albert M. Vincze
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.)
Teck Metals Ltd
Original Assignee
Individual
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
Priority claimed from CA002338168A external-priority patent/CA2338168A1/en
Application filed by Individual filed Critical Individual
Priority to CA002438307A priority Critical patent/CA2438307C/en
Publication of CA2438307A1 publication Critical patent/CA2438307A1/en
Application granted granted Critical
Publication of CA2438307C publication Critical patent/CA2438307C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • H01M4/745—Expanded metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/68—Selection of materials for use in lead-acid accumulators
    • H01M4/685—Lead alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

A method of producing lead alloy strip for fabrication of positive and negative electrodes of a lead-acid battery by extruding a lead alloy at elevated temperature to produce a lead alloy strip having a desired profile and rapidly cooling the extruded strip to acquire a desired microstructure.
Battery grids produced from the lead alloy strip have reduced vertical growth and enhanced resistance to corrosion.
CA002438307A 2001-02-26 2002-02-20 Continuous extruded lead alloy strip for battery electrodes Expired - Lifetime CA2438307C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002438307A CA2438307C (en) 2001-02-26 2002-02-20 Continuous extruded lead alloy strip for battery electrodes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA002338168A CA2338168A1 (en) 2001-02-26 2001-02-26 Continuous extruded lead alloy strip for battery electrodes
CA2,338,168 2001-02-26
PCT/CA2002/000210 WO2002069421A2 (en) 2001-02-26 2002-02-20 Continuous extruded lead alloy strip for battery electrodes
CA002438307A CA2438307C (en) 2001-02-26 2002-02-20 Continuous extruded lead alloy strip for battery electrodes

Publications (2)

Publication Number Publication Date
CA2438307A1 true CA2438307A1 (en) 2002-09-06
CA2438307C CA2438307C (en) 2009-10-13

Family

ID=29271295

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002438307A Expired - Lifetime CA2438307C (en) 2001-02-26 2002-02-20 Continuous extruded lead alloy strip for battery electrodes

Country Status (1)

Country Link
CA (1) CA2438307C (en)

Also Published As

Publication number Publication date
CA2438307C (en) 2009-10-13

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