US4803137A
Expired / Lapsed
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Non-aqueous electrolyte secondary cell
Assignee: Bridgestone Corp
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Filing: 1988-04-25
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Granted: 1989-02-07
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Expires: 2008-04-25
Abstract
Abstract A non-aqueous electrolyte secondary cell is provided which comprises a positive electrode active material of a modified vanadium pentoxide, a negative electrode active material of lithium or lithium alloy, and a non-aqueous electrolyte.
Inventors
- 👤 Tadaaki Miyazaki
- 👤 Takao Ogino
- 👤 Yoshitomo Masuda
- 👤 Takahiro Kawagoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:43
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/485; H01M10/00; H01M10/05; H01M10/052; H01M4/38; H01M4/40; H01M10/056; H01M10/0564; H01M10/0566; H01M10/0568; H01M10/0569; H01M4/13; H01M4/131; H01M4/134; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
103 words
A non-aqueous electrolyte secondary cell comprising a positive electrode active material selected from materials represented by formulae (1) through (6): Li.sub.x Mo.sub.x V.sub.2-x O.sub.5 ( 1) Li.sub.x W.sub.x V.sub.2-x O.sub.5 ( 2) Li.sub.y Mo.sub.z V.sub.2-z O.sub.5 ( 3) Li.sub.y W.sub.z V.sub.2-z O.sub.5 ( 4) Li.sub.m+n Mo.sub.m W.sub.n V.sub.2-m-n O.sub.5 ( 5) β-Li.sub.q V.sub.2 O.sub.5 ( 6) wherein x≦1, z<y≦1, m+n≦1, and 0.1≦q≦0.6, a negative electrode active material of lithium or a lithium alloy capable of occluding and releasing lithium, and an electrolyte consisting essentially of a non-aqueous material which allows lithium ions to migrate for electrochemical reaction with said positive electrode active material.
Claim 2
Dependent Claim
103 words
A non-aqueous electrolyte secondary cell comprising a positive electrode active material selected from materials represented by formulae (1) through (6): Li.sub.x Mo.sub.x V.sub.2-x O.sub.5 ( 1) Li.sub.x W.sub.x V.sub.2-x O.sub.5 ( 2) Li.sub.y Mo.sub.z V.sub.2-z O.sub.5 ( 3) Li.sub.y W.sub.z V.sub.2-z O.sub.5 ( 4) Li.sub.m+n Mo.sub.m W.sub.n V.sub.2-m-n O.sub.5 ( 5) β-Li.sub.q V.sub.2 O.sub.5 ( 6) wherein x≦1, z<y≦1, m+n≦1, and 0.1≦q≦0.6, a negative electrode active material of lithium or a lithium alloy capable of occluding and releasing lithium, and an electrolyte consisting essentially of a non-aqueous material which allows lithium ions to migrate for electrochemical reaction with said positive electrode active material.
Claim 3
Dependent Claim
18 words
The cell of claim 1 wherein the lithium alloy contains about 10 to about 60 atom% of lithium.
Claim 4
Dependent Claim
13 words
The cell of claim 1 wherein the lithium alloy is a lithium-aluminum alloy.
Claim 5
Dependent Claim
25 words
The cell of claim 1 wherein the electrolyte is at least one member selected from LiClO 4 , LiAsF 6 , and LiPF 6 .
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-07 | 1992-08-08 | 1993-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-07 | 1996-08-08 | 1997-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-07 | 2000-08-08 | 2001-02-07 | $7700.00 | Window Closed / Lapsed |