US5368961A
Expired / Lapsed
US
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Thin plate electrochemical cell
Assignee: YOKO BOLDER (M) Sdn Bhd
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Filing: 1993-06-10
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Granted: 1994-11-29
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Expires: 2013-06-10
Abstract
Abstract An electrochemical cell and method for producing the same having superior recharge and discharge characteristics through the use of thin non-perforated lead films.
Inventors
- 👤 Tristan E. Juergens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:43
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0404; H01M10/0409; B; B21; B21B; B21B1/00; B21B1/40; B21B39/00; B21B39/02; B21B39/08; B21B45/00; B21B45/02; B21B45/0239; B21B45/0245; B21B45/0248; B21B45/0251; H01M10/06; H01M10/12; H01M10/125; H01M10/24; H01M10/28; H01M10/286; H01M4/00; H01M4/02; H01M4/64; H01M4/82; B21B1/22; B21B1/227; B21B2265/00; B21B2265/02; B21B2265/04; B21B2265/08; B21B27/00; B21B27/005; B21B3/00; B21B45/0242; H01M10/0413; H01M4/66; H01M4/68; H01M6/00; H01M6/04; H01M6/06; H01M6/10; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
87 words
A rechargeable electrochemical cell, comprising: interleafed first and second plates of opposite polarity, the first plate including a film made primarily from lead and a porous electrochemically active paste coated onto both sides of the film, the first plate being less than about 0.01 inches thick and the first plate film being substantially non-perforated and less than about 0.005 inches thick; a polous separator interposed between the first and second plates, the separator having electrolyte in the pores; and a container to contain the plates and separator.
Claim 2
Dependent Claim
87 words
A rechargeable electrochemical cell, comprising: interleafed first and second plates of opposite polarity, the first plate including a film made primarily from lead and a porous electrochemically active paste coated onto both sides of the film, the first plate being less than about 0.01 inches thick and the first plate film being substantially non-perforated and less than about 0.005 inches thick; a polous separator interposed between the first and second plates, the separator having electrolyte in the pores; and a container to contain the plates and separator.
Claim 3
Dependent Claim
28 words
The cell of claim 1, wherein the first plate is less than about 0.008 inches thick and the first plate film is less than about 0.003 inches thick.
Claim 4
Dependent Claim
16 words
The cell of claim 1, wherein the first plate film is at least about 97% lead.
Claim 5
Dependent Claim
16 words
The cell of claim 3, wherein the first plate film is at least about 99.99% lead.
Claim 6
Dependent Claim
14 words
The cell of claim 3, wherein the first plate film is about 2.5% tin.
Claim 7
Dependent Claim
29 words
The cell of claim 1, wherein the second plate includes a film made primarily from lead and a porous electrochemically active paste coated onto both sides of the film.
Claim 8
Dependent Claim
28 words
The cell of claim 6, wherein the second plate is less than about 0.01 inches thick and the second plate film is less than about 0.005 inches thick.
Claim 9
Dependent Claim
13 words
The cell of claim 6, wherein the second plate film is substantially non-perforated.
Claim 10
Dependent Claim
12 words
The cell of claim 6, wherein the second plate film is perforated.
Claim 11
Dependent Claim
16 words
The cell of claim 6, wherein the second plate film is at least about 97% lead.
Claim 12
Dependent Claim
16 words
The cell of claim 10, wherein the second plate film is at least about 99.99% lead.
Claim 13
Dependent Claim
14 words
The cell of claim 10, wherein the second plate film is about 2.5% tin.
Claim 14
Dependent Claim
16 words
The cell of claim 6, wherein the second plate film is not primarily made of lead.
Claim 15
Dependent Claim
26 words
The cell of claim 1, wherein said plates and separator are spirally wound whereby the first and second plates are interleafed and separated by the separator.
Claim 16
Dependent Claim
15 words
The cell of claim 14, wherein the spiral winding is substantially circular in cross section.
Claim 17
Independent Claim
65 words
A method for manufacturing an electrochemical cell, comprising interleafing first and second plates of opposite polarity separated by a separator, the first plate including a film made primarily from lead and a porous electrochemically active paste coated onto both sides of the film, the first plate being less than about 0.01 inches thick and the first plate film being less than about 0.005 inches thick.
Claim 18
Independent Claim
65 words
A method for manufacturing an electrochemical cell, comprising interleafing first and second plates of opposite polarity separated by a separator, the first plate including a film made primarily from lead and a porous electrochemically active paste coated onto both sides of the film, the first plate being less than about 0.01 inches thick and the first plate film being less than about 0.005 inches thick.
Claim 19
Dependent Claim
17 words
The method of claim 16, wherein said first plate and second plate and separator are spirally wound.
Claim 20
Dependent Claim
28 words
The method of claim 16, wherein the first plate is less than about 0.008 inches thick and the first plate film is less than about 0.003 inches thick.
Claim 21
Dependent Claim
16 words
The method of claim 16, wherein the first plate film is at least about 97% lead.
Claim 22
Dependent Claim
16 words
The method of claim 19, wherein the first plate film is at least about 99.99% lead.
Claim 23
Dependent Claim
14 words
The method of claim 19, wherein the first plate film is about 2.5% tin.
Claim 24
Dependent Claim
29 words
The method of claim 16, wherein the second plate includes a film made primarily from lead with a porous electrochemically active paste coated onto both sides of the film.
Claim 25
Dependent Claim
28 words
The method of claim 22, wherein the second plate is less than about 0.01 inches thick and the second plate film is less than about 0.005 inches thick.
Claim 26
Dependent Claim
13 words
The method of claim 22, wherein the second plate film is substantially non-perforated.
Claim 27
Dependent Claim
12 words
The method of claim 22, wherein the second plate film is perforated.
Claim 28
Dependent Claim
16 words
The method of claim 22, wherein the second plate film is at least about 97% lead.
Claim 29
Dependent Claim
16 words
The method of claim 26, wherein the second plate film is at least about 99.99% lead.
Claim 30
Dependent Claim
14 words
The method of claim 21, wherein the second plate film is about 2.5% tin.
Claim 31
Dependent Claim
16 words
The method of claim 21, wherein the second plate film is not primarily made of lead.
Claim 32
Dependent Claim
31 words
The method of claim 16, wherein said first plate and second plate and separator are spirally wound whereby the first plate and second plate are interleafed and separated by the separator.
Claim 33
Dependent Claim
15 words
The method of claim 30, wherein the spiral winding is substantially circular in cross section.
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| 7.5 Years (Year 8) | 2001-11-28 | 2002-05-30 | 2002-11-29 | $3760.00 | Window Closed / Lapsed |
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