EP0329271A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Non-aqueous electrolytes for lithium batteries
Assignee: Ultralife Corp
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Filing: 1989-01-16
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Granted: —
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Expires: 2009-01-16
Abstract
Abstract An electrochemical cell comprising a lithium anode, a cathode and an electrolyte having a conductivity, in reciprocal ohms per cm (mmho/cm), of at least 3.5 and comprising a lithium salt and 1,2-dimethoxypropane is disclosed.
Inventors
- 👤 Vincent William C/O Eastman Kodak Company Bakos
- 👤 David John C/O Eastman Kodak Company Steklenski
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 12:16
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/16; H01M6/162; H01M6/164; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
32 words
An electrochemical cell comprising a lithium anode, a cathode and an electrolyte having a conductivity, in reciprocal ohms per cm (mmho/cm), of at least 3.5 and comprising a lithium salt and 1,2-dimethoxypropane
Claim 2
Dependent Claim
32 words
An electrochemical cell comprising a lithium anode, a cathode and an electrolyte having a conductivity, in reciprocal ohms per cm (mmho/cm), of at least 3.5 and comprising a lithium salt and 1,2-dimethoxypropane
Claim 3
Dependent Claim
21 words
The electrochemical cell of claim 1 wherein the electrolyte also comprises a solvent having a dielectric constant of at least 30.
Claim 4
Dependent Claim
23 words
The electrochemical cell of claim 2 wherein the solvent is selected from the group consisting of propylene carbonate, ethylene carbonate, gamma-butyrolactone and 3-methyl-2-oxazolidinone.
Claim 5
Dependent Claim
30 words
The electrochemical cell of claim 2 or 3 wherein the volume ratio of 1-2,dimethoxypropane to the solvent(s) having a dielectric constant of at least 30 varies from 30:70 to 60:40.
Claim 6
Dependent Claim
36 words
An electrochemical cell according to claim 1 comprising a solvent mixture comprising a) 10 to 40 volume percent propylene carbonate; b) 20 to 40 volume percent ethylene carbonate; and c) 30 to 60 volume percent 1,2-dimethoxypropane.
Claim 7
Dependent Claim
33 words
The electrochemical cell of claim 5 wherein the solvent mixture comprises a) 10 to 25 volume percent propylene carbonate; b) 25 to 40 volume percent ethylene carbonate; and c) 50 volume percent 1,2-dimethoxypropane.
Claim 8
Dependent Claim
34 words
The electrochemical cell of claim 5 wherein the electrolyte solvent mixture comprises a) 20 to 25 volume percent propylene carbonate; b) 25 to 30 volume percent ethylene carbonate; and c) 50 volume percent 1,2-dimethoxypropane.
Claim 9
Dependent Claim
30 words
the electrochemical cell of claim 5 wherein the electrolyte solvent mixture comprises a) 20 volume percent propylene carbonate; b) 30 volume percent ethylene carbonate; and c) 50 volume percent 1,2-dimethoxypropane.
Claim 10
Dependent Claim
19 words
The electrochemical cell of any one of the preceding claims wherein the cathode is selected from FeS₂ and MnO₂.
Claim 11
Dependent Claim
10 words
The electrochemical cell of claim 9 wherein the cathode MnO₂.
Claim 12
Dependent Claim
28 words
The electrochemical cell of any one of the preceding claims wherein the electrolyte comprises from 0.5 to 2.0 M lithium salt selected from CF₃SO₃Li, LiAsF₆ and mixtures thereof.
Claim 13
Dependent Claim
16 words
The electrochemical cell of claim 11 wherein the electrolyte comprises from 0.5 to 2.0 M CF₃SO₃Li.
Claim 14
Dependent Claim
13 words
The electrochemical cell of claim 12 wherein the electrolyte comprises 1 Molar CF₃SO₃Li.
References Cited (Backward Citations)
US3953234A
Cited
US4499161A
Cited
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