EP0146245A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Electrode article
Assignee: Scimat Ltd
•
Filing: 1984-11-01
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Granted: —
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Expires: 2004-11-01
Abstract
Abstract Electrode material, preferably lithium metal, is protected by a layer of material ready to function as an electrode separator and capable of sufficient ionic conductivity to provide an electrolyte, preferably a solvent-free polymeric electrolyte. The electrode material may be rolled to reduce its thickness while so protected.
Inventors
- 👤 John Anthony Cook
- 👤 George Barry Park
- 👤 Robert Hamilton Mcloughlin
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 11:28
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/13; H01M4/06; H01M4/36; H01M4/38; H01M4/381; H01M4/382; H01M6/00; H01M6/04; H01M6/06; H01M6/10; H01M6/14; H01M6/18; H01M6/181; H01M2004/026; H01M2004/027; H01M2300/00; H01M2300/0017; H01M2300/0025; H01M50/00; H01M50/40; H01M50/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/49112
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
80 words
An article comprising sensitive electrode material protected by a flexible layer of protective material wherein the layer is ready to function as an electrode separator when the article is used to provide an electrode in an electrical device and is inherently capable of sufficient ionic conductivity to provide an electrolyte when the article is used as aforesaid in an electrical device, and the article is in a form suitable for feeding to automatic equipment capable of assembling the said device.
Claim 2
Dependent Claim
80 words
An article comprising sensitive electrode material protected by a flexible layer of protective material wherein the layer is ready to function as an electrode separator when the article is used to provide an electrode in an electrical device and is inherently capable of sufficient ionic conductivity to provide an electrolyte when the article is used as aforesaid in an electrical device, and the article is in a form suitable for feeding to automatic equipment capable of assembling the said device.
Claim 3
Dependent Claim
24 words
An article according to claim 1 in the form of an elongate strip of sufficient length to make a plurality of the said devices.
Claim 4
Dependent Claim
22 words
An article according to claim 1 or 2, wherein the electrode material has been deformed while in contact with the protective material.
Claim 5
Dependent Claim
69 words
An article comprising sensitive electrode material protected by a layer of protective material, the electrode material having been deformed while in contact with the protective material and the protective material being ready to function as an electrode separator when the article is used to provide an electrode in an electrical device, and being capable of sufficient ionic conductivity to provide an electrolyte when the article is used as aforesaid.
Claim 6
Dependent Claim
69 words
An article comprising sensitive electrode material protected by a layer of protective material, the electrode material having been deformed while in contact with the protective material and the protective material being ready to function as an electrode separator when the article is used to provide an electrode in an electrical device, and being capable of sufficient ionic conductivity to provide an electrolyte when the article is used as aforesaid.
Claim 7
Dependent Claim
16 words
An article according to any of the precedinq claims, wherein the protective material is fluid- permeable.
Claim 8
Dependent Claim
22 words
An article according to any of the precedinq claims, wherein the protective material is adhered to the surface of the electrode material.
Claim 9
Dependent Claim
24 words
An article according to any of claims 1 to 5, wherein the protective material is associated with, but not adhered to, the electrode material.
Claim 10
Dependent Claim
25 words
An article according to any of the precedinq claims, wherein the protective material is capable of providing the electrolyte independently of the action of liquid.
Claim 11
Dependent Claim
46 words
An article according to any of the preceding claims, wherein the protective material comprises an inorganic salt dispersed in organic polymer material capable of permitting sufficient transfer of dissociated ions of the salt to provide the required ionic conductivity in the substantial absence of any liquid.
Claim 12
Dependent Claim
36 words
An article according to any of the preceding claims, incorporating at least one additional material capable of functioning as another component of the said electrical device in addition to the electrode material and the protective material.
Claim 13
Dependent Claim
25 words
An article according to claim 10, wherein the additional material is capable of functioninq as a current collector when the article is used as aforesaid.
Claim 14
Dependent Claim
16 words
An article according to any of the preceding claims, wherein the electrode material is continuous metal.
Claim 15
Dependent Claim
19 words
An article according to claim 12, wherein the reactive metal is an alkali metal or an alkaline earth metal.
Claim 16
Dependent Claim
12 words
An article according to claim 13, wherein the reactive metal is lithium.
Claim 17
Dependent Claim
29 words
An article according to any of the preceding claims, wherein the electrode material has been deformed so as to decrease its thickness while in contact with the protective material.
Claim 18
Dependent Claim
24 words
An article according to any of the preceding claims, wherein the electrode material is less than 0.25 millimetres, preferably less than 0.125 millimetres, thick.
Claim 19
Dependent Claim
33 words
An article according to any of the preceding claims, wherein the protective material has been deformed while in contact with the electrode material so as to enhance its function in the electrical device.
Claim 20
Dependent Claim
22 words
An article according to any of the preceding claims, wherein the protective material is overlaid by a removable further layer of material.
Claim 21
Dependent Claim
17 words
An electrode for an electrical device formed from an article according to any of the preceding claims.
Claim 22
Dependent Claim
10 words
An electrical device incorporating an electrode according to claim 19.
Claim 23
Dependent Claim
17 words
An electrical device according to claim 20 incorporating a liquid which permeates the layer of protective material.
Claim 24
Independent Claim
40 words
A method of preparing an article according to any of claims 1 to 18, comprising assembling toqether an elongate strip of the electrode material and a layer of the protective material prior to or during assembly in an electrical device.
Claim 25
Dependent Claim
27 words
A method according to claim 22, wherein the protective material is applied so as to adhere to at least part of the surface of the electrode material.
Claim 26
Dependent Claim
23 words
A method according to claim 22 or 23 including the step of deforming the electrode material while in contact with the protective material.
Claim 27
Dependent Claim
18 words
A method according to claim 24, wherein the electrode material is deformed so as to reduce its thickness.
Claim 28
Independent Claim
35 words
A method according to any of claims 22 to 25 including the step of deforming the protective material while in contact with the electrode material so as to enhance its ability to provide an electrolyte.
Claim 29
Independent Claim
67 words
A method of making an electrical device comprising providing an article according to any of claims 1 to 18, and incorporating at least part of the article in the device so that the electrode material of the article will be capable of functioning as an electrode and the protective material of the article will be capable of functioning as an electrode separator and of providing an electrolyte.
Claim 30
Dependent Claim
24 words
A method according to claim 27, including the preparation of the said article by a method according to any of claims 22 to 28.
Claim 31
Dependent Claim
31 words
A method according to claim 27 or 28, wherein the article includes a further removable layer according to claim 18 and the method includes the step of removing the removable layer.
References Cited (Backward Citations)
US2543106A
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GB1533279A
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FR2442513A1
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