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US4828834A
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Rechargeable organic electrolyte cell
Assignee: Sony Corp
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Filing: 1987-10-29
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Granted: 1989-05-09
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Expires: 2007-10-29
Abstract
Abstract A rechargeable organic electrolyte cell includes a cathode mainly composed of LiMn2 O4, obtained by sintering manganese dioxide with either lithium carbonate or lithium iodide.
Inventors
- 👤 Toru Nagaura
- 👤 Masaaki Yokokawa
- 👤 Toshio Hashimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:47
CPC Classifications
H; H01; H01M; H01M16/00; C; C01; C01G; C01G45/00; C01G45/12; C01G45/1221; C01G45/1242; H01M10/00; H01M10/05; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/50; H01M4/505; H01M4/58; H01M4/581; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2002/74; C01P2006/00; C01P2006/40; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
57 words
A rechargeable organic electrolyte cell comprising an anode containing Li, a cathode mainly composed of LiMn 2 O 4 having a full width at half maximum of a diffraction peak at a diffraction angle of 2θ equal to 46.1° in the range between 1.1° and 2.1°, upon an X-ray diffraction analysis using FeKα, and an organic electrolyte.
Claim 2
Dependent Claim
57 words
A rechargeable organic electrolyte cell comprising an anode containing Li, a cathode mainly composed of LiMn 2 O 4 having a full width at half maximum of a diffraction peak at a diffraction angle of 2θ equal to 46.1° in the range between 1.1° and 2.1°, upon an X-ray diffraction analysis using FeKα, and an organic electrolyte.
Claim 3
Dependent Claim
23 words
A rechargeable organic electrolyte cell according to claim 1, wherein LiMn 2 O 4 is obtained by sintering manganese dioxide and lithium carbonate.
Claim 4
Dependent Claim
23 words
A rechargeable organic electrolyte cell according to claim 1, wherein LiMn 2 O 4 is obtained by sintering manganese dioxide and lithium iodide.
Claim 5
Dependent Claim
32 words
A rechargeable organic electrolyte cell according to claim 1, wherein LiMn 2 O 4 is obtained by sintering manganese dioxide and lithium carbonate at a temperature between 430° C. and 520° C.
Claim 6
Dependent Claim
75 words
A rechargeable organic electrolyte cell comprising an anode containing Li, a cathode mainly composed of a lithium and manganese complex oxide corresponding to a chart of LiMn 2 O 4 in ASTM card upon X-ray diffraction analysis having a full width at half maximum of a diffraction peak at a diffraction angle of 2θ equal to 46.1° in the range between 1.1° and 2.1°, upon an X-ray diffraction analysis using FeKα, and an organic electrolyte.
Claim 7
Dependent Claim
75 words
A rechargeable organic electrolyte cell comprising an anode containing Li, a cathode mainly composed of a lithium and manganese complex oxide corresponding to a chart of LiMn 2 O 4 in ASTM card upon X-ray diffraction analysis having a full width at half maximum of a diffraction peak at a diffraction angle of 2θ equal to 46.1° in the range between 1.1° and 2.1°, upon an X-ray diffraction analysis using FeKα, and an organic electrolyte.
Claim 8
Dependent Claim
22 words
A rechargeable organic electrolyte cell according to claim 5 wherein the cathode material is obtained by sintering manganese dioxide and lithium carbonate.
Claim 9
Dependent Claim
22 words
A rechargeable organic electrolyte cell according to claim 5 wherein the cathode material is obtained by sintering manganese dioxide and lithium iodide.
Claim 10
Dependent Claim
33 words
A rechargeable organic electrolyte cell according to claim 5 wherein the cathode material is obtained by sintering manganese dioxide and lithium carbonate at a temperature between approximately 430° C. to about 520° C.
References Cited (Backward Citations)
US4312930A
Cited
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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) | 1992-05-08 | 1992-11-07 | 1993-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-08 | 1996-11-07 | 1997-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-08 | 2000-11-07 | 2001-05-09 | $7700.00 | Window Closed / Lapsed |