Patent US5882819A successfully refreshed from Google Patents.
US5882819A
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Sulfide-series electrode material and secondary battery with high energy density
Assignee: Yazaki Corp
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Filing: 1996-09-27
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Granted: 1999-03-16
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Expires: 2016-09-27
Abstract
Abstract An electrode material includes a sulfide compound containing a tetrazole ring as an active substance. The secondary battery using such a material provides an extremely high energy density.
Inventors
- 👤 Katsuhiko Naoi
- 👤 Akihiko Torikoshi
- 👤 Yasuhiro Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:29
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/60; H01M4/602; H01M4/606; H01M4/608; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
35 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein said tetrazole ring is a phenyl tetrazole ring; and an anode comprising an alkali metal.
Claim 2
Dependent Claim
35 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein said tetrazole ring is a phenyl tetrazole ring; and an anode comprising an alkali metal.
Claim 3
Dependent Claim
13 words
The secondary battery according to claim 1, wherein said battery is a coin-shaped.
Claim 4
Dependent Claim
39 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein said sulfide material is 5,5'-dithiobis (1-phenyl tetrazole), 5,5'-trithiobis (1-phenyltetrazole), or 5,5'-tetrathiobis (1-phenyltetrazole); and an anode comprising an alkali metal.
Claim 5
Dependent Claim
39 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein said sulfide material is 5,5'-dithiobis (1-phenyl tetrazole), 5,5'-trithiobis (1-phenyltetrazole), or 5,5'-tetrathiobis (1-phenyltetrazole); and an anode comprising an alkali metal.
Claim 6
Dependent Claim
13 words
The secondary battery according to claim 3, wherein said battery is a coin-shaped.
Claim 7
Dependent Claim
60 words
An electrode comprising: an electrode material including a sulfide compound containing a tetrazole ring as an active substance, wherein the tetrazole ring of the sulfide compound includes a material represented by the following formula: ##STR10## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 1.
Claim 8
Dependent Claim
60 words
An electrode comprising: an electrode material including a sulfide compound containing a tetrazole ring as an active substance, wherein the tetrazole ring of the sulfide compound includes a material represented by the following formula: ##STR10## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 1.
Claim 9
Dependent Claim
60 words
An electrode comprising: an electrode material including a sulfide compound containing a tetrazole ring as an active substance, wherein the tetrazole ring of the sulfide compound includes a material represented by the following formula: ##STR11## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 2.
Claim 10
Dependent Claim
60 words
An electrode comprising: an electrode material including a sulfide compound containing a tetrazole ring as an active substance, wherein the tetrazole ring of the sulfide compound includes a material represented by the following formula: ##STR11## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 2.
Claim 11
Dependent Claim
65 words
An electrode comprising: an electrode material including a sulfide compound containing a tetrazole ring as an active substance, wherein the tetrazole ring of the sulfide compound includes a material represented by the following formula: ##STR12## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a phenyl group, and n represents an integer from 0 to 5.
Claim 12
Dependent Claim
65 words
An electrode comprising: an electrode material including a sulfide compound containing a tetrazole ring as an active substance, wherein the tetrazole ring of the sulfide compound includes a material represented by the following formula: ##STR12## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a phenyl group, and n represents an integer from 0 to 5.
Claim 13
Dependent Claim
10 words
The electrode according to claim 7, wherein n is 0.
Claim 14
Dependent Claim
10 words
The electrode according to claim 7, wherein n is 1.
Claim 15
Dependent Claim
10 words
The electrode according to claim 7, wherein n is 2.
Claim 16
Dependent Claim
13 words
The electrode according to claim 7, wherein both R groups are phenyl groups.
Claim 17
Dependent Claim
68 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein the tetrazole ring of the sulfide material includes a material represented by the following formula: ##STR13## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 1; and an anode comprising an alkali metal.
Claim 18
Dependent Claim
68 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein the tetrazole ring of the sulfide material includes a material represented by the following formula: ##STR13## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 1; and an anode comprising an alkali metal.
Claim 19
Dependent Claim
68 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein the tetrazole ring of the sulfide material includes a material represented by the following formula: ##STR14## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 2; and an anode comprising an alkali metal.
Claim 20
Dependent Claim
68 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein the tetrazole ring of the sulfide material includes a material represented by the following formula: ##STR14## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a methyl group, and n is 2; and an anode comprising an alkali metal.
Claim 21
Dependent Claim
73 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein the tetrazole ring of the sulfide material includes a material represented by the following formula: ##STR15## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a phenyl group, and n represents an integer from 0 to 5; and an anode comprising an alkali metal.
Claim 22
Dependent Claim
73 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein the tetrazole ring of the sulfide material includes a material represented by the following formula: ##STR15## wherein each R represents a hydrogen atom or an organic group, provided that at least one R is a phenyl group, and n represents an integer from 0 to 5; and an anode comprising an alkali metal.
Claim 23
Dependent Claim
11 words
The secondary battery according to claim 14, wherein n is 0.
Claim 24
Dependent Claim
11 words
The secondary battery according to claim 14, wherein n is 1.
Claim 25
Dependent Claim
11 words
The secondary battery according to claim 14, wherein n is 2.
Claim 26
Dependent Claim
14 words
The secondary battery according to claim 14, wherein both R groups are phenyl groups.
Claim 27
Dependent Claim
38 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein said sulfide material is 5,5'-dithiobis (1-phenyltetrazole), 5,5'-trithiobis (1-phenyltetrazole), or 5,5'-tetrathiobis (1-phenyltetrazole); and an anode comprising an alkali metal.
Claim 28
Dependent Claim
38 words
A secondary battery comprising: a cathode made of a sulfide material having a tetrazole ring as an active material, wherein said sulfide material is 5,5'-dithiobis (1-phenyltetrazole), 5,5'-trithiobis (1-phenyltetrazole), or 5,5'-tetrathiobis (1-phenyltetrazole); and an anode comprising an alkali metal.
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) | 2002-03-15 | 2002-09-14 | 2003-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-03-15 | 2006-09-14 | 2007-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-03-15 | 2010-09-14 | 2011-03-16 | $7700.00 | Window Closed / Lapsed |