GB1395685A – Battery electrodes for lead-acid batteries
– Google Patents
GB1395685A – Battery electrodes for lead-acid batteries
– Google Patents
Battery electrodes for lead-acid batteries
Info
Publication number
GB1395685A
GB1395685A
GB2245473A
GB2245473A
GB1395685A
GB 1395685 A
GB1395685 A
GB 1395685A
GB 2245473 A
GB2245473 A
GB 2245473A
GB 2245473 A
GB2245473 A
GB 2245473A
GB 1395685 A
GB1395685 A
GB 1395685A
Authority
GB
United Kingdom
Prior art keywords
lead
fibres
ply
active powder
mat
Prior art date
1972-05-10
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
GB2245473A
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.)
NL Industries Inc
Original Assignee
NL Industries Inc
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.)
1972-05-10
Filing date
1973-05-10
Publication date
1975-05-29
1973-05-10
Application filed by NL Industries Inc
filed
Critical
NL Industries Inc
1975-05-29
Publication of GB1395685A
publication
Critical
patent/GB1395685A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
H01M4/04—Processes of manufacture in general
H01M4/0402—Methods of deposition of the material
H01M4/0404—Methods of deposition of the material by coating on electrode collectors
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M10/00—Secondary cells; Manufacture thereof
H01M10/06—Lead-acid accumulators
H01M10/18—Lead-acid accumulators with bipolar electrodes
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
H01M4/04—Processes of manufacture in general
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
H01M4/04—Processes of manufacture in general
H01M4/043—Processes of manufacture in general involving compressing or compaction
H01M4/0435—Rolling or calendering
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
H01M4/14—Electrodes for lead-acid accumulators
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
1395685 Lead-acid battery plates NL INDUSTRIES Inc 10 May 1973 [10 May 1972 13 Feb 1973] 22454/73 Heading H1B The positive and negative electrodes of a leadacid battery each consist of a three-ply laminate, the centre ply 11 being of conductive material and the outer plies 13, 14 comprising a homogeneous mixture of fibres and active powder comprising lead or a lead composition, 90- 100% of the fibres being of synthetic plastics material, the remainder, if any, being natural fibres. The three plies are bonded together by heat and pressure. As shown, the centre ply 11 has a terminal tab 15 and comprises a sheet of lead foil having perforations 15. Alternatively, the centre ply may comprise conductive paper containing particles of lead or graphite. Preferred synthetic fibres are of polyethylene or polypropylene. The natural fibres, if present, may be of soft wood. The active powder may be Pb, PbO, tribasic lead sulphate or tetrabasic lead sulphate. In one method of making the outer plies 13, 14 the fibres are agitated in water to form a slurry to which the active powder of lead oxide is added-preferably for each part by weight of fibres there are 50-99 parts of active powder. A flocculating agent is added and the pH of the slurry is then lowered by adding papermaker’s grade alum solution to form a large flocculated mass. This mass is filtered and collected on a screw to form a composite sheet of a loose homogeneous mat of fibres coated with lead oxide powder. This mat is dried and the three-ply electrode is made by placing the mat on both sides of a perforated lead sheet and compressing the structure at a pressure of 1200 lbs/ sq. inch at a temperature of 165‹ C. for 10 minutes. A battery including seven electrodes is described with reference to Fig. 2 (not shown).
GB2245473A
1972-05-10
1973-05-10
Battery electrodes for lead-acid batteries
Expired
GB1395685A
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US25193572A
1972-05-10
1972-05-10
US33031673A
1973-02-13
1973-02-13
Publications (1)
Publication Number
Publication Date
GB1395685A
true
GB1395685A
(en)
1975-05-29
Family
ID=26941907
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2245473A
Expired
GB1395685A
(en)
1972-05-10
1973-05-10
Battery electrodes for lead-acid batteries
Country Status (5)
Country
Link
JP
(1)
JPS5840309B2
(en)
CA
(1)
CA982223A
(en)
FR
(1)
FR2184012B1
(en)
GB
(1)
GB1395685A
(en)
IT
(1)
IT987378B
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2314964A
(en)
*
1996-07-02
1998-01-14
Samsung Display Devices Co Ltd
Pole plate having non-active portion
EP2538471A1
(en)
*
2011-06-20
2012-12-26
Glatfelter Gernsbach GmbH & Co. KG
Multifunctional web for use in a lead-acid battery
Families Citing this family (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS6158246B2
(en)
*
1983-11-24
1986-12-10
Sumitomo Electric Industries
FR2679072B1
(en)
*
1991-07-09
1993-09-24
Accumulateurs Fixes
ACTIVE MASS FOR ELECTROCHEMICAL GENERATOR ELECTRODE WITH THREE – DIMENSIONAL POROUS SUPPORT.
Family Cites Families (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3060254A
(en)
*
1959-08-03
1962-10-23
Union Carbide Corp
Bonded electrodes
1973
1973-02-28
CA
CA164,817A
patent/CA982223A/en
not_active
Expired
1973-04-27
JP
JP48048341A
patent/JPS5840309B2/en
not_active
Expired
1973-05-08
IT
IT7323844A
patent/IT987378B/en
active
1973-05-09
FR
FR7316729A
patent/FR2184012B1/fr
not_active
Expired
1973-05-10
GB
GB2245473A
patent/GB1395685A/en
not_active
Expired
Cited By (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2314964A
(en)
*
1996-07-02
1998-01-14
Samsung Display Devices Co Ltd
Pole plate having non-active portion
GB2314964B
(en)
*
1996-07-02
1999-01-27
Samsung Display Devices Co Ltd
Pole plate having non-active portion
EP2538471A1
(en)
*
2011-06-20
2012-12-26
Glatfelter Gernsbach GmbH & Co. KG
Multifunctional web for use in a lead-acid battery
WO2012175269A3
(en)
*
2011-06-20
2013-12-19
Glatfelter Gernsbach Gmbh & Co. Kg
Multifunctional web for use in a lead-acid battery
EP3293795A1
(en)
*
2011-06-20
2018-03-14
Glatfelter Gernsbach GmbH & Co. KG
Multifunctional web for use in a lead-acid battery
US10164261B2
(en)
2011-06-20
2018-12-25
Glatfelter Gernsbach Gmbh & Co. Kg
Multifunctional web for use in a lead-acid battery
Also Published As
Publication number
Publication date
CA982223A
(en)
1976-01-20
DE2322555A1
(en)
1973-11-29
IT987378B
(en)
1975-02-20
FR2184012A1
(en)
1973-12-21
FR2184012B1
(en)
1977-09-02
JPS5840309B2
(en)
1983-09-05
JPS4954823A
(en)
1974-05-28
DE2322555B2
(en)
1976-10-28
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Legal Events
Date
Code
Title
Description
1975-10-08
PS
Patent sealed
1981-12-09
PCNP
Patent ceased through non-payment of renewal fee
