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US4908283A
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Preparation of ion conductive solid electrolyte
Assignee: Ube Corp
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Filing: 1989-04-24
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Granted: 1990-03-13
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Expires: 2009-04-24
Abstract
Abstract An improved ion conductive solid electrolyte favorably emplolyable for an solid electrolyte cell comprises a cured product of an acryloyl-denatured polyalkylene oxide having a molecular weight of 200-3,000 and an inorganic ion salt. Another improved ion conductive solid electrolyte comprises a cured product of an acryloyl-denatured polyalkylene oxide having a molecular weight of 200-3,000, an inorganic ion salt and a polyalkylene glycol.
Inventors
- 👤 Toru Takahashi
- 👤 Ryuichi Shimizu
- 👤 Tsuomu Suehiro
- 👤 Hidetomo Ashitaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:20
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/181
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
106 words
A process for the preparation of an ion conductive solid electrolyte, which comprises curing a composition comprising an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula: ##STR5## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms; and R 2 is hydrogen or an aromatic group; and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms, and an inorganic ion salt by irradiating the composition with active rays.
Claim 2
Dependent Claim
106 words
A process for the preparation of an ion conductive solid electrolyte, which comprises curing a composition comprising an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula: ##STR5## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms; and R 2 is hydrogen or an aromatic group; and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms, and an inorganic ion salt by irradiating the composition with active rays.
Claim 3
Dependent Claim
31 words
The process as claimed in claim 1, wherein said inorganic ion salt contains at least one atom selected from the group consisting of Li, Na, K, Cs, Ag, Cu and Mg.
Claim 4
Dependent Claim
33 words
The process as claimed in claim 1, wherein said composition contains the inorganic ion salt in an amount of 0.05-50 molar % based on the alkylene oxide unit of the acryloyl-denatured polyalkylene oxide.
Claim 5
Dependent Claim
48 words
The process as claimed in claim 1, wherein said composition contains an organic solvent selected from the group consisting of propylene carbonate, γ-butyrolactone, ethylene carbonate, tetrahydrofuran, acetonitrile, dimethoxyethane, dimethylsulfoxide, dioxolane and sulfolane in an amount of not more than 200 weight % based on the amount of composition.
Claim 6
Dependent Claim
14 words
The process as claimed in claim 1, wherein said composition contains a photopolymerization initiator.
Claim 7
Dependent Claim
122 words
A solid electrolyte cell using a solid electrolyte film and a negative pole comprising lithium metal or lithium alloy, wherein said electrolyte film is a cured product prepared by irradiating a composition comprising an acryloyl-denatured polyalkylene oxide and an inorganic ion salt with active rays, said acryloyl-denatured polyalklene oxide having a molecular weight of 200 to 3,000 and comprising an acryloyl group having the formula: ##STR6## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms; and R 2 is hydrogen or an aromatic group; and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms.
Claim 8
Dependent Claim
122 words
A solid electrolyte cell using a solid electrolyte film and a negative pole comprising lithium metal or lithium alloy, wherein said electrolyte film is a cured product prepared by irradiating a composition comprising an acryloyl-denatured polyalkylene oxide and an inorganic ion salt with active rays, said acryloyl-denatured polyalklene oxide having a molecular weight of 200 to 3,000 and comprising an acryloyl group having the formula: ##STR6## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms; and R 2 is hydrogen or an aromatic group; and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms.
Claim 9
Dependent Claim
35 words
The solid electrolyte cell as claimed in claim 6, wherein said composition contains the inorganic ion salt in an amount of 0.05-50 molar % based on the alkylene oxide unit of the acryloyl-denatured polyalkylene oxide.
Claim 10
Dependent Claim
50 words
The solid electolyte cell as claimed in claim 6, wherein said composition contains an organic solvent selected from the group consisting of propylene carbonate, γ-butyrolactone, ethylene carbonate, tetrahydrofuran, acetonitrile, dimethoxyethane, dimethylsulfoxide, dioxolane and sulfolane in an amount of not more than 200 weight % based on the amount of composition.
Claim 11
Dependent Claim
131 words
An ion conductive solid electrolyte, which comprises a cured product of a composition comprising: an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula: ##STR7## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms, and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms; an inorganic ion salt; and a polyalkylene glycol having the formula: (R.sup.3 O(CH.sub.2 CHR.sup.4 O).sub.n R.sup.5 wherein n is an integer of from 2 to 30; and each of R 3 , R 4 and R 5 independently is hydrogen or a lower alkyl group having 1-6 carbon atoms.
Claim 12
Dependent Claim
131 words
An ion conductive solid electrolyte, which comprises a cured product of a composition comprising: an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula: ##STR7## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms, and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms; an inorganic ion salt; and a polyalkylene glycol having the formula: (R.sup.3 O(CH.sub.2 CHR.sup.4 O).sub.n R.sup.5 wherein n is an integer of from 2 to 30; and each of R 3 , R 4 and R 5 independently is hydrogen or a lower alkyl group having 1-6 carbon atoms.
Claim 13
Dependent Claim
32 words
The ion conductive solid electrolyte as claimed in claim 9, wherein said inorganic ion salt contains an atom selected from the group consisting of Li, Na, K, Cs, Ag, Cu and Mg.
Claim 14
Dependent Claim
36 words
The ion conductive solid electrolyte as claimed in claim 9, wherein said composition contains the inorganic ion salt in an amount of 0.05-50 molar % based on the alkylene oxide unit of the acryloyl-denatured polyalkylene oxide.
Claim 15
Dependent Claim
29 words
The ion conductive solid electrolyte as claimed in claim 9, wherein said composition contains the polyalkylene glycol an amount of 1-500 weight % based on the acryloyl-denatured polyalkylene oxide.
Claim 16
Dependent Claim
153 words
A solid electrolyte cell using a negative pole comprising lithium metal or lithium alloy and a positive pole, wherein said positive pole is a cured product of a composition comprising: an active material of positive pole; an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula: ##STR8## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms, and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms; an inorganic ion salt; and a polyalkylene glycol having the formula: R.sup.3 O(CH.sub.2 CHR.sup.4 O).sub.n R.sup.5 wherein n is an integer of from 3 to 30; and each of R 3 , R 4 and R 5 independently is hydrogen or a lower alkyl group having 1-6 carbon atoms.
Claim 17
Dependent Claim
153 words
A solid electrolyte cell using a negative pole comprising lithium metal or lithium alloy and a positive pole, wherein said positive pole is a cured product of a composition comprising: an active material of positive pole; an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula: ##STR8## wherein R 1 is hydrogen or a lower alkyl group having 1-6 carbon atoms, and a polyalkylene oxide chain having the formula: (CH.sub.2 CHRO).sub.n wherein n is an integer of from 1 to 30; and R is hydrogen or a lower alkyl group having 1-6 carbon atoms; an inorganic ion salt; and a polyalkylene glycol having the formula: R.sup.3 O(CH.sub.2 CHR.sup.4 O).sub.n R.sup.5 wherein n is an integer of from 3 to 30; and each of R 3 , R 4 and R 5 independently is hydrogen or a lower alkyl group having 1-6 carbon atoms.
Claim 18
Dependent Claim
19 words
The solid electrolyte cell as claimed in claim 13, wherein said inorganic ion salt contains an atom of Li.
Claim 19
Dependent Claim
35 words
The solid electrolyte cell as claimed in claim 13, wherein said composition contains the inorganic ion salt in an amount of 0.05-50 molar % based on the alkylene oxide unit of the acryloyl-denatured polyalkylene oxide.
Claim 20
Dependent Claim
28 words
The solid electrolyte cell as claimed in claim 13, wherein said composition contains the polyalkylene glycol an amount of 1-500 weight % based on the acryloyl-denatured polyalkylene oxide.
References Cited (Backward Citations)
JPS5586070A
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US4556614A
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GB2119162A
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JPS6047372A
Cited
US4579793A
Cited
US4654279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-12 | 1993-09-11 | 1994-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-12 | 1997-09-11 | 1998-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-12 | 2001-09-11 | 2002-03-13 | $7700.00 | Window Closed / Lapsed |