US6720107B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Redox gel battery
Assignee: Farnow Technologies Pty Ltd
•
Filing: 1999-06-09
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Granted: 2004-04-13
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Expires: 2019-06-09
Abstract
Abstract A redox gel battery comprising at least one cell consisting of: (i) a positive gel electrolyte containing reactive ions which are reduced but do not undergo phase transfer during operation of the battery; (ii) a negative gel electrolyte containing reactive ions which are oxidized but do not undergo phase transfer during operation of the battery; and (iii) a membrane separating the positive and negative gel electrolytes.
Inventors
- 👤 Stephen Wayne Holtom
- 👤 Chris Menictas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:04
CPC Classifications
B; B60; B60L; B60L3/00; B60L3/0023; B60L3/0046; B60L50/00; B60L50/50; B60L50/60; B60L50/64; B60L53/00; B60L53/10; B60L53/11; B60L53/50; B60L53/55; B60L53/60; B60L53/65; B60L53/66; B60L53/665; B60L58/00; B60L58/10; B60L58/12; B60L58/14; B60L58/16; B60L58/18; B60L58/22; H; H01; H01M; H01M10/00; H01M10/04; H01M10/0431; H01M10/36; H01M10/42; H01M4/00; H01M4/02; H01M4/36; H02; H02J; H02J7/00; H02J7/90; H02J7/927; B60L2240/00; B60L2240/40; B60L2240/54; B60L2240/545; B60L2240/547; B60L2240/549; B60L2250/00; B60L2250/16; B60L2260/00; B60L2260/40; B60L2260/50; B60L2260/52; H01M10/44; H01M2250/00; H01M2250/20; H01M2300/00; H01M2300/0085; H01M6/00; H01M6/04; H01M6/06; H01M6/10; H01M8/00; H01M8/18; H01M8/184; H01M8/188; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072; Y02T90/00; Y02T90/10; Y02T90/12; Y02T90/14; Y02T90/16; Y02T90/167; Y02T90/40; Y04; Y04S; Y04S30/00; Y04S30/10; Y04S30/14
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
66 words
A redox gel battery comprising at least one cell consisting of: (i) a positive gel electrolyte containing reactive ions which are reduced but do not undergo phase transfer during operation of the battery, (ii) a negative gel electrolyte containing reactive ions which are oxidized but do not undergo phase transfer during operation of the battery, and (iii) a membrane separating the positive and negative gel electrolytes.
Claim 2
Dependent Claim
66 words
A redox gel battery comprising at least one cell consisting of: (i) a positive gel electrolyte containing reactive ions which are reduced but do not undergo phase transfer during operation of the battery, (ii) a negative gel electrolyte containing reactive ions which are oxidized but do not undergo phase transfer during operation of the battery, and (iii) a membrane separating the positive and negative gel electrolytes.
Claim 3
Dependent Claim
34 words
A redox gel battery according to claim 1 and further including: (i) a positive electrode electrically connected to the positive gel electrolyte, and (ii) a negative electrode electrically connected to the negative gel electrolyte.
Claim 4
Dependent Claim
13 words
A redox gel battery according to claim 2 wherein the electrodes are non-metallic.
Claim 5
Dependent Claim
13 words
A redox gel battery according to claim 2 wherein the electrodes are inert.
Claim 6
Dependent Claim
14 words
A redox gel battery according to claim 1 wherein the gels are super concentrated.
Claim 7
Dependent Claim
15 words
A redox gel battery according to claim 1 which is a Cerium/Chromium redox gel battery.
Claim 8
Dependent Claim
17 words
A redox gel battery according to claim 1 which is a Cerium Chloride/Chromium Chloride redox gel battery.
Claim 9
Dependent Claim
54 words
A redox gel battery according to claim 7 wherein the positive gel electrolyte contains Ce ++++ ions and the negative gel electrolyte contains Cr ++ ions and where the Ce ++++ ions are reduced to Ce +++ ions and the Cr ++ ions are oxidized to Cr +++ ions during discharge of the battery.
Claim 10
Dependent Claim
15 words
A redox gel battery according to claim 1 wherein each gel contains a gelling agent.
Claim 11
Dependent Claim
14 words
A redox gel battery according to claim 9 wherein the gelling agent is silica.
Claim 12
Dependent Claim
16 words
A redox gel battery according to claim 1 wherein the cell is wound as a spiral.
Claim 13
Dependent Claim
49 words
A redox gel battery according to claim 1 having a stack of N cells and wherein adjacent cells are separated by a common electrode, there is a negative electrode on the outer face of the first cell and a positive electrode on the outer surface of the Nth cell.
Claim 14
Dependent Claim
13 words
A redox gel battery according to claim 12 wherein the electrodes are non-metallic.
Claim 15
Dependent Claim
13 words
A redox gel battery according to claim 12 wherein the electrodes are inert.
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