US5085954A
Expired / Lapsed
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Organic electrolyte solution type cell
Assignee: Maxell Ltd
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Filing: 1990-03-27
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Granted: 1992-02-04
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Expires: 2010-03-27
Abstract
Abstract An organic electrolytic solution type cell using an electrolytic solution of a lithium salt in a polar solvent which comprises a compound having an organophobic group and an organophilic group, which cell has improved storage stability and good charge-discharging characteristics.
Inventors
- 👤 Fusaji Kita
- 👤 Akira Kawakami
- 👤 Kozo Kajita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:53
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0564; H01M10/0566; H01M10/0567; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
46 words
An organic electrolytic solution cell comprising an electrolytic solution of a lithium salt dispersed in a polar solvent which comprises a monoamine compound consisting of an amino group and at least one linear alkyl group of at least three carbon atoms bonded to said amino group.
Claim 2
Dependent Claim
46 words
An organic electrolytic solution cell comprising an electrolytic solution of a lithium salt dispersed in a polar solvent which comprises a monoamine compound consisting of an amino group and at least one linear alkyl group of at least three carbon atoms bonded to said amino group.
Claim 3
Dependent Claim
29 words
The organic electrolytic solution cell of claim 1, wherein at least one hydrogen atom of said at least one linear alkyl group may be substituted by a fluorine atom.
Claim 4
Dependent Claim
22 words
The organic electrolytic solution cell of claim 1, wherein said at least one linear alkyl group has at least 4 carbon atoms.
Claim 5
Dependent Claim
15 words
The organic electrolytic solution cell of claim 1, wherein said monoamine compound is a trialkylamine.
Claim 6
Dependent Claim
13 words
The organic electrolytic solution cell of claim 4, wherein said trialkylamine is tributylamine.
Claim 7
Dependent Claim
22 words
The organic electrolytic solution cell of claim 1, wherein said electrolytic solution contains 0.05 to 5% by volume of said monoamine compound.
Claim 8
Dependent Claim
22 words
The organic electrolytic solution cell of claim 6, wherein said electrolytic solution contains 0.1 to 1.5% by volume of said monoamine compound.
Claim 9
Dependent Claim
16 words
The organic electrolytic solution cell of claim 1, wherein said polar solvent further includes propylene carbonate.
Claim 10
Dependent Claim
16 words
The organic electrolytic solution cell of claim 1, wherein said lithium salt contains LiPF 6 .
Claim 11
Dependent Claim
26 words
The organic electrolytic solution cell of claim 9, wherein said electrolytic solution further contains an additional stabilizer for said LiPF 6 other than said monoamine compound.
Claim 12
Dependent Claim
26 words
The organic electrolytic solution cell of claim 10, wherein said stabilizer is at least one member selected from the group consisting of N,N-dimethylacetamide, N,N-diethylacetamide and 1-methylpiperidone.
Claim 13
Dependent Claim
17 words
The organic electrolytic solution cell of claim 9, wherein said lithium salt further includes LiClO 4 .
Claim 14
Dependent Claim
21 words
An organic electrolytic solution cell comprising an electrolytic solution of a lithium salt dispersed in a polar solvent which comprises tributylamine.
Claim 15
Dependent Claim
21 words
An organic electrolytic solution cell comprising an electrolytic solution of a lithium salt dispersed in a polar solvent which comprises tributylamine.
References Cited (Backward Citations)
JPS58106771A
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JPS59108277A
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JPS59108276A
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JPS61214377A
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JPS6280977A
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JPS6290869A
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JPS62217578A
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US4833048A
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1995-02-03 | 1995-08-05 | 1996-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-02-03 | 1999-08-05 | 2000-02-04 | $3760.00 | Window Closed / Lapsed |
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