← Back to Patent Explorer
US4664991A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition based on a electron conducting polymer and its application to a positive active material for electrochemical generators

Assignee: GENERALE D'ELECTRICITE 54 RUE LA BOETIE 75382 PARIS CEDEX 08 FRANCE Cie
•
Filing: 1985-09-12
•
Granted: 1987-05-12
•
Expires: 2005-09-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract In a substance based on an electron conducting polymer, for use in a positive active material for electrochemical generators, for example, the polymer is of a one-dimensional character. The substance further comprises at least one polysulfurated chain forming a complex with the polymer.

Inventors

  • 👤 Alain Perichaud
  • 👤 Alain Le Mehaute

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 19:30
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/125; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/60; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 38 words
A composition comprising a one-dimensional electron conducting polymer and at least one polysulfurated chain forming a complex with said polymer, wherein at least a part of said polysulfurated chain is in simple charge transfer relation to said polymer.
Claim 2
Dependent Claim 38 words
A composition comprising a one-dimensional electron conducting polymer and at least one polysulfurated chain forming a complex with said polymer, wherein at least a part of said polysulfurated chain is in simple charge transfer relation to said polymer.
Claim 3
Dependent Claim 34 words
A composition according to claim 1, wherein at least one atom of sulfur in said polysulfurated chain is grafted onto said polymer, the remainder of said chain being charge transfer related to said polymer.
Claim 4
Dependent Claim 19 words
A composition according to claim 1, wherein all of said poysulfurated chain is charge transfer related to said polymer.
Claim 5
Dependent Claim 22 words
A composition according to claim 1 comprising at least 0.7 atom of sulfur per carbon atom of the monomer of said polymer.
Claim 6
Dependent Claim 25 words
A composition according to claim 1, wherein said polymer is selected from the group consisting of polyacetylenes, polyparaphenylenes, polythiophenes, polypyrroles, polyanilines and their substituted derivatives.
Claim 7
Dependent Claim 57 words
An electrochemical generator comprising a non-aqueous electrolyte, a negative electrode based on lithium and a positive electrode based on a composition comprising a onedimensional electron conducting polymer and at least one polysulfurated chain forming a complex with said polymer, wherein at least a part of said polysulfurated chain is in simple charge transfer relation to said polymer.
Claim 8
Dependent Claim 57 words
An electrochemical generator comprising a non-aqueous electrolyte, a negative electrode based on lithium and a positive electrode based on a composition comprising a onedimensional electron conducting polymer and at least one polysulfurated chain forming a complex with said polymer, wherein at least a part of said polysulfurated chain is in simple charge transfer relation to said polymer.
Claim 9
Dependent Claim 35 words
An electrochemical generator according to claim 6, wherein at least one atom of sulfur in said polysulfurated chain is grafted onto said polymer, the remainder of said chain being charge transfer related to said polymer.
Claim 10
Dependent Claim 20 words
An electrochemical generator according to claim 6, wherein all of said polysulfurated chain is charge transfer related to said polymer.
Claim 11
Dependent Claim 26 words
An electrochemical generator according to claim 6 wherein said composition comprises at least 0.7 atom of sulfur per carbon atom of the monomer of said polymer.
Claim 12
Dependent Claim 26 words
An electrochemcial generator according to claim 6, wherein said polymer is selected from the group consisting of polyacetylenes, polyparaphenylenes, polythiophenes, polypyrroles, polyanilines and their substituted derivatives.

References Cited (Backward Citations)

US4375427A Cited
US4442187A Cited
US4472489A Cited
US4556617A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-05-11 1990-11-10 1991-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-05-11 1994-11-10 1995-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-05-11 1998-11-10 1999-05-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag