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US4547439A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrochemical generator

Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1983-08-29
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Granted: 1985-10-15
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Expires: 2003-08-29
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Abstract

Abstract Electrochemical generator comprising an anode compartment and a cathode compartment, separated by a semipermeable diaphragm and each containing an active electrode material and an electrolyte, the active electrode material of at least one of the compartments being constituted by an electronically conductive organic polymer, wherein in one of these compartments in which the active electrode material is an organic polymer, the electrolyte of said compartment comprises an electroactive compound, which is soluble in the electrolyte and has a redox potential which is close to that of the organic polymer with which it is in contact.

Inventors

  • 👤 Eugene Genies

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:38
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; C; C08; C08G; C08G61/00; C08G61/12; C08G61/122; C08G61/123; H01M4/00; H01M4/02; H01M4/36; H01M4/60; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 115 words
An electrochemical generator comprising an anode compartment and a cathode compartment, separated by a semipermeable diaphragm and each containing an active elctrode material and an electrolyte, the active electrode material of at least one of the compartments being constituted by an electronically conductive organic polymer, wherein in one of these compartments in which the active electrode material is an organic polymer, the electrolyte of said compartment comprises an electroactive compound, which is soluble in the electrolyte and has a redox potential which is close to that of the organic polymer with which it is in contact, the variation between the redox potentials of the electroactive compound and the organic polymer being up to 500 mv.
Claim 2
Dependent Claim 115 words
An electrochemical generator comprising an anode compartment and a cathode compartment, separated by a semipermeable diaphragm and each containing an active elctrode material and an electrolyte, the active electrode material of at least one of the compartments being constituted by an electronically conductive organic polymer, wherein in one of these compartments in which the active electrode material is an organic polymer, the electrolyte of said compartment comprises an electroactive compound, which is soluble in the electrolyte and has a redox potential which is close to that of the organic polymer with which it is in contact, the variation between the redox potentials of the electroactive compound and the organic polymer being up to 500 mv.
Claim 3
Dependent Claim 106 words
An electrochemical generator according to claim 1, wherein the active electrode material of each of the said anode and cathode compartments is constituted by an organic polymer, wherein the electrolyte of the anode compartment comprises an electroactive compound, which is soluble in the electrolyte and has a redox potential equal to or higher than that of the organic polymer of the anode compartment, whilst the electrolyte of the cathode compartment comprises an electroactive compound differing from that of the anode compartment, which is soluble in the electrolyte and has a redox potential which is close to that of the organic polymer present in the cathode compartment.
Claim 4
Dependent Claim 51 words
An electrochemical generator according to claim 1 or claim 2, wherein the electroactive compound being in the anode compartment, said compound is chosen from the group including ferrocene and its derivatives, methoxylated derivatives of benzene, diphenyl-9,10-anthracene and its methoxylated derivatives, di-(naphthyl)-9,10-anthracene and its methoxylated derivatives, aromatic heterocyclic compounds and aromatic amines.
Claim 5
Dependent Claim 85 words
An electrochemical generator according to claim 3, wherein the electroactive compound is a ferrocene in accordance with formula: ##STR18## in which R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 , which can be the same or different represents hydrogen, NO 2 , SO 2 , CN, OCH 3 , Cl, F, SCN, OCN, ##STR19## So 2 R, ##STR20## OR, SR and R, and R representing an alkyl or aryl radical.
Claim 6
Dependent Claim 83 words
An electrochemical generator according to claim 3, wherein the electroactive compound is a methoxylated derivative of benzene of formula: ##STR21## in which R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , which can be the same or different, represent hydrogen, a methyl radical or a methoxy radical, provided that at least of the R 9 , R 10 , R 11 , R 12 , R 13 , R 14 represent the methoxy radical.
Claim 7
Dependent Claim 38 words
An electrochemical generator according to claim 3, wherein the electroactive compound is an aromatic heterocyclic compound of formula: ##STR22## in which X and Y, which can be the same or different, represent NH, N-phenyl, N-alkyl, O or S.
Claim 8
Dependent Claim 14 words
An electrochemical generator according to claim 6, wherein the aromatic heterocyclic compound is phenothiazine.
Claim 9
Dependent Claim 65 words
An electrochemical generator according to claim 3, wherein the electroactive compound is a triphenylamine of formula: ##STR23## in which R 15 , R 16 and R 17 , which can be the same or different, represent hydrogen Cl, Br, F, NO 2 , OCH 3 , SO 2 , CN, SCN, OCN, ##STR24## OR, SR and R with R representing an alkyl or aryl group.
Claim 10
Dependent Claim 46 words
An electrochemical generator according to claim 3, wherein the electroactive compound is a benzene of formula: ##STR25## in which R 18 , R 19 , R 20 and R 21 , which can be the same or different, represent hydrogen, alkyl group or a phenyl group.
Claim 11
Dependent Claim 47 words
An electrochemical generator according to claim 3, wherein the electroactive compound is a paraphenyldiamine of formula: ##STR26## in which R 22 , R 23 , R 24 and R 25 , which can be the same or different, represent hydrogen, an alkyl group or a phenyl group.
Claim 12
Dependent Claim 13 words
An electrochemical generator according to claim 10, wherein the electroactive compound is tetraphenylparaphenyldiamine.
Claim 13
Dependent Claim 46 words
An electrochemical generator according to claim 3, wherein the electroactive compound is a hydrazine of formula: ##STR27## in which R 26 , R 27 , R 28 and R 29 , which can be the same or different, represent an alkyl group or a phenyl group.
Claim 14
Dependent Claim 36 words
An electrochemical generator according to claim 1 or claim 2, wherein the electroactive compound is in the cathode compartment, said compound being chosen from the group including polycyclic aromatic hydrocarbons, quinone derivatives and aromatic nitro derivatives.
Claim 15
Dependent Claim 50 words
An electrochemical generator according to claim 3, wherein the organic polymer is polypyrrole and the electroactive compound is ferrocene of formula (I) in which R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 represent hydrogen.
Claim 16
Dependent Claim 30 words
An electrochemical generator according to claim 1 or 2, wherein with the electrolyte constituted by a solution, the electroactive compound concentration of the electrolyte is 10 -3 to 1 mole/1.
Claim 17
Dependent Claim 25 words
An electrochemical generator according to claim 1 or 2, wherein the electrolyte is a solution of at least one lithium salt in an organic solvent.
Claim 18
Dependent Claim 14 words
An electrochemical generator according to claim 6, wherein the lithium salt is lithium perchlorate.

References Cited (Backward Citations)

US3185590A Cited
US4181779A Cited
EP0036118A2 Cited
US4442187A Cited
EP0058469A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-10-14 1989-04-15 1989-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-10-14 1993-04-15 1993-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-10-14 1997-04-15 1997-10-15 $7700.00 Window Closed / Lapsed

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