US5561007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-active material blends of Lix Mn2 O4 and Liy -α-MnO2
Assignee: Individual
•
Filing: 1995-11-17
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Granted: 1996-10-01
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Expires: 2015-11-17
Abstract
Abstract A solid secondary, lithium electrochemical cell comprises a physical mixture of Li x Mn 2 O 4 (spinel) (O<x≦2) and Li y -α-MnO 2 (O≦y<1). The cell is particularly suitable for use with anodes carbon materials.
Inventors
- 👤 M. Yazid Saidi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:54
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/50; H01M4/505; H01M10/00; H01M10/05; H01M10/052; H01M10/0525; H01M10/056; H01M10/0564; H01M10/0565; H01M4/362; H01M4/364; H01M4/62; H01M4/621; H01M4/622; H01M4/623; H01M4/64; H01M4/70; H01M4/72; H01M4/74; H01M4/745; H01M2300/00; H01M2300/0017; H01M2300/0025; H01M2300/0065; H01M2300/0068; H01M4/13; H01M4/131; H01M4/133; H01M4/66; H01M4/661; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
63 words
A solid secondary electrochemical cell which comprises: a solid solvent containing electrolyte interposed between an anode composed of anodic material and cathode composed of cathodic material wherein said electrolyte comprises an inorganic ion salt and a solid polymeric matrix; wherein said cathode comprises a physical mixture of Li x Mn 2 O 4 (spinel) wherein 0<x≦2 and Li y -α-MnO 2 wherein O≦y<1.
Claim 2
Dependent Claim
63 words
A solid secondary electrochemical cell which comprises: a solid solvent containing electrolyte interposed between an anode composed of anodic material and cathode composed of cathodic material wherein said electrolyte comprises an inorganic ion salt and a solid polymeric matrix; wherein said cathode comprises a physical mixture of Li x Mn 2 O 4 (spinel) wherein 0<x≦2 and Li y -α-MnO 2 wherein O≦y<1.
Claim 3
Dependent Claim
25 words
A solid secondary electrochemical cell according to claim 1 wherein said anode comprises a carbon material selected from carbon black, coke, graphite, and mixtures thereof.
Claim 4
Dependent Claim
17 words
A solid secondary electrochemical cell according to claim 1 wherein said anode comprises an intercalation carbon anode.
Claim 5
Dependent Claim
33 words
A solid secondary electrochemical cell according to claim 1 wherein said cathode comprises Li x Mn 2 O 4 (0<x≦2) and Li y -α-MnO 2 (O≦y<1) in a weight ratio of about 1:1.
Claim 6
Dependent Claim
26 words
A solid secondary electrochemical cell according to claim 1 wherein said cathode comprises Li x Mn 2 O 4 (0<x≦2) and Li y -α-MnO 2 (O<y<0.5).
Claim 7
Dependent Claim
26 words
A solid secondary electrochemical cell according to claim 3 wherein said cathode comprises Li x Mn 2 O 4 (0<x≦2) and Li y -α-MnO 2 (O≦y<0.5).
Claim 8
Dependent Claim
33 words
A solid secondary electrochemical cell according to claim 4 wherein said cathode comprises Li x Mn 2 O 4 (0<x≦2) and Li y -α-MnO 2 (O≦y<0.5) in a weight ratio of about 1:1.
Claim 9
Dependent Claim
12 words
A battery comprising at least two of the cells of claim 1.
References Cited (Backward Citations)
US5429890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-10-01 | 2000-04-01 | 2000-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-10-01 | 2004-04-01 | 2004-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-10-01 | 2008-04-01 | 2008-10-01 | $7700.00 | Window Closed / Lapsed |