US4536456A
Expired / Lapsed
US
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Tellurium-containing cathodes for nonaqueous cells
Assignee: Edgewell Personal Care Brands LLC
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Filing: 1983-06-29
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Granted: 1985-08-20
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Expires: 2003-06-29
Abstract
Abstract A tellurium-containing cathode for nonaqueous cells employing tellurium in the +4 oxidation state such as TeO 2 , Te 2 MoO 7 , TeO 2 .xBi 2 O 3 wherein x is from 0 to about 8, Sb 2 TeO 5 and Sb 2 TeO 7 .
Inventors
- 👤 William P. Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:02
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/485; H01M6/00; H01M6/14; H01M6/16; H01M6/162; H01M6/164
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
48 words
A solid cathode material for nonaqueous cells comprising a fused material selected from the group consisting of Te 2 MoO 7 , TeO 2 ·xBi 2 O 3 wherein x is from greater than 0 to about 8, Sb 2 TeO 5 and Sb 2 TeO 7 .
Claim 2
Dependent Claim
48 words
A solid cathode material for nonaqueous cells comprising a fused material selected from the group consisting of Te 2 MoO 7 , TeO 2 ·xBi 2 O 3 wherein x is from greater than 0 to about 8, Sb 2 TeO 5 and Sb 2 TeO 7 .
Claim 3
Dependent Claim
26 words
The solid cathode material of claim 1 wherein x in the TeO 2 ·xBi 2 O 3 material is from greater than 0 to about 3.
Claim 4
Dependent Claim
20 words
The solid cathode material of claim 2 wherein x in the TeO 2 ·xBi 2 O 3 material is 1.
Claim 5
Dependent Claim
20 words
The solid cathode material of claim 2 wherein x in the TeO 2 ·xBi 2 O 3 material is 0.4.
Claim 6
Dependent Claim
19 words
The solid cathode material of claim 1 wherein the cathode material further comprises a conductive agent and a binder.
Claim 7
Dependent Claim
20 words
A nonaqueous cell comprising the solid cathode material of claim 5, an organic electrolyte solution and an active metal anode.
Claim 8
Dependent Claim
27 words
The nonaqueous cell of claim 6 wherein the active metal anode is selected from the group consisting of aluminum, lithium, sodium, potassium, magnesium, calcium and alloys thereof.
Claim 9
Dependent Claim
13 words
The nonaqueous cell of claim 7 wherein said active metal anode is lithium.
References Cited (Backward Citations)
US4085259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-19 | 1989-02-18 | 1989-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-19 | 1993-02-18 | 1993-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-19 | 1997-02-18 | 1997-08-20 | $7700.00 | Window Closed / Lapsed |