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EP0195684A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Protected electrode material

Assignee: Scimat Ltd
•
Filing: 1986-03-21
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Granted: —
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Expires: 2006-03-21
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Abstract

Abstract A protected electrode article comprising sensitive electrode material having a layer of protective material bonded to at least part of its surface by means of an adhesive which can be made to swell by treatment with liquid, so as to increase the permeability of the adhesive to electrolyte which is encountered by the protected electrode material when incorporated in an electrochemical device.

Inventors

  • 👤 Robert Hamilton Mcloughlin
  • 👤 George Barry Park
  • 👤 John Anthony Cook

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 10:46
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M4/00; H01M4/02; H01M4/13; H01M4/36; H01M4/38; H01M4/381; H01M4/64; H01M4/70; H01M4/80; H01M4/806; H01M50/00; H01M50/40; H01M50/46; H01M50/489; H01M2004/026; H01M2004/027; H01M2300/00; H01M2300/0017; H01M2300/0025; H01M4/72; H01M4/74; H01M50/461; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/49114; Y10T29/49115

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 61 words
A protected electrode article comprising sensitive electrode material having a layer of protective material bonded to at least part of its surface by means of an adhesive which.can be made to swell by treatment with liquid, so as to increase the permeability of the adhesive to electrolyte which is encountered by the protected electrode material when incorporated in an electrochemical device.
Claim 2
Dependent Claim 61 words
A protected electrode article comprising sensitive electrode material having a layer of protective material bonded to at least part of its surface by means of an adhesive which.can be made to swell by treatment with liquid, so as to increase the permeability of the adhesive to electrolyte which is encountered by the protected electrode material when incorporated in an electrochemical device.
Claim 3
Dependent Claim 23 words
A protected electrode article as claimed in claim 1, in which the adhesive can be made to swell by treatment with the electrolyte.
Claim 4
Dependent Claim 20 words
A protected electrode article as claimed in claim 1 or claim 2, in which the adhesive comprises cross-linked polymeric material.
Claim 5
Dependent Claim 36 words
A protected electrode article as claimed in any one of the preceding claims, in which the layer of protective material is permeable to the electrolyte, prior to incorporation of the protected electrode material in a device.
Claim 6
Dependent Claim 57 words
A protected electrode article as claimed in any one of the preceding claims, in which the flexible layer of protective material is bonded to a part of the surface of the sensitive electrode material by means of a barrier adhesive which remains impermeable to the electrolyte during use of the protected electrode material in an electrochemical device.
Claim 7
Dependent Claim 32 words
A protected electrode article as claimed in any one of the preceding claims, in which the sensitive electrode material comprises an element of Group IA or Group IIA of the periodic table.
Claim 8
Dependent Claim 18 words
A protected electrode article as claimed in claim 6, in which the sensitive electrode material comprises lithium metal.
Claim 9
Dependent Claim 17 words
An electrochemical device comprising a protected electrode article as claimed in any one of the preceding claims.
Claim 10
Independent Claim 63 words
A method of forming a protected electrode article comprising: a) bonding .a layer of protective material to sensitive electrode material by means of an adhesive; and b) treating the adhesive with a liquid to cause it to swell so as to increase the permeability of the adhesive to electrolyte which is encountered by the protected electrode material when incorporated in an electrochemical device.
Claim 11
Independent Claim 63 words
A method of forming a protected electrode article comprising: a) bonding .a layer of protective material to sensitive electrode material by means of an adhesive; and b) treating the adhesive with a liquid to cause it to swell so as to increase the permeability of the adhesive to electrolyte which is encountered by the protected electrode material when incorporated in an electrochemical device.
Claim 12
Dependent Claim 32 words
A method as claimed in claim 9, in which the adhesive comprises polymeric material, and the method includes the step of cross-linking the material of the adhesive before carrying out step (b).
Claim 13
Dependent Claim 34 words
A method as claimed in claim 9 or claim 10; in which the liquid with which the adhesive is treated in the electrolyte encountered by the protected electrode material when incorporated in the device.
Claim 14
Independent Claim 29 words
A method as claimed in any one of claims 9 to 11, which includes the step of deforming the protected electrode article so as to increase its surface area.
Claim 15
Dependent Claim 45 words
A protected electrode article comprising sensitive electrode material having a layer of protective material bonded to at least part of its surface by means of a barrier adhesive which remains impermeable to the electrolyte during use of the protected electrode material in an electrochemical device.
Claim 16
Dependent Claim 45 words
A protected electrode article comprising sensitive electrode material having a layer of protective material bonded to at least part of its surface by means of a barrier adhesive which remains impermeable to the electrolyte during use of the protected electrode material in an electrochemical device.

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