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US5162172A
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Bipolar battery
Assignee: Arch Development Corp
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Filing: 1990-12-14
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Granted: 1992-11-10
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Expires: 2010-12-14
Abstract
Abstract A bipolar battery having a plurality of cells. The bipolar battery includes: a negative electrode; a positive electrode and a separator element disposed between the negative electrode and the positive electrode, the separator element electrically insulating the electrodes from one another; an electrolyte disposed within at least one of the negative electrode, the positive electrode and the separator element; and an electrode containment structure including a cup-like electrode holder.
Inventors
- 👤 Thomas D. Kaun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:59
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M6/48; H01M10/00; H01M10/36; H01M10/39; H01M4/00; H01M4/02; H01M4/64; H01M4/66; H01M4/661; H01M4/664; H01M50/00; H01M50/10; H01M50/183; H01M50/184; H01M50/19; H01M50/191; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
104 words
A bipolar battery having a plurality of cells with each of said cells comprising: a negative electrode; a positive electrode and a separator element disposed between said negative electrode and said positive electrode, said separator element electrically insulating said electrodes from one another; an electrolyte disposed within at least one of said negative electrode, said positive electrode and said separator element where said electrolyte is in contact with both said electrodes; and an electrode containment structure including a cup-like electrode holder, a perimeter metallic seal ring forming a negative electrode compartment and a peripheral ceramic seal ring electrically isolating said positive and negative electrodes.
Claim 2
Dependent Claim
104 words
A bipolar battery having a plurality of cells with each of said cells comprising: a negative electrode; a positive electrode and a separator element disposed between said negative electrode and said positive electrode, said separator element electrically insulating said electrodes from one another; an electrolyte disposed within at least one of said negative electrode, said positive electrode and said separator element where said electrolyte is in contact with both said electrodes; and an electrode containment structure including a cup-like electrode holder, a perimeter metallic seal ring forming a negative electrode compartment and a peripheral ceramic seal ring electrically isolating said positive and negative electrodes.
Claim 3
Dependent Claim
28 words
The bipolar battery as defined in claim 1 wherein said negative electrode is selected from the group consisting of an alkaline metal alloy and an alkaline earth alloy.
Claim 4
Dependent Claim
23 words
The bipolar battery as defined in claim 1 wherein said positive electrode is selected from the group consisting of at least one chalcogenides.
Claim 5
Dependent Claim
32 words
The bipolar battery as defined in claim 2 wherein said metal alloy is selected from the group consisting of lithium alloy, sodium alloy, potassium alloy, calcium alloy, barium alloy and strontium alloy.
Claim 6
Dependent Claim
24 words
The bipolar battery as defined in claim 3 wherein said chalcogenide is selected from the group consisting of transition metal chalcogenides and sodium chalcogenides.
Claim 7
Dependent Claim
19 words
The bipolar battery as defined in claim 1 wherein said cup-like electrode holder comprises a refractory metal coated steel.
Claim 8
Dependent Claim
17 words
The bipolar battery as defined in claim 6 wherein said cup-like electrode holder includes lateral extension elements.
Claim 9
Dependent Claim
27 words
The bipolar battery as defined in claim 1 wherein said cup-like electrode holder comprises at least one of a graphite liner over steel and a refractory metal.
Claim 10
Dependent Claim
16 words
The bipolar battery as defined in claim 1 wherein said separator element comprises a ceramic material.
Claim 11
Dependent Claim
27 words
The bipolar battery as defined in claim 1 wherein said perimeter metallic seal ring further includes a negative electrode seal ring and a negative electrode flange ring.
Claim 12
Dependent Claim
24 words
The bipolar battery as defined in claim 6 wherein said cup-like electrode holder includes indentations permitting reciprocating action during cycling of said bipolar battery.
Claim 13
Dependent Claim
28 words
The bipolar battery as defined in claim 6 wherein said cup-like holder telescopically couples to the adjoining said cup-like holder and captures the perimeter of said separator element.
Claim 14
Dependent Claim
14 words
The bipolar battery as defined in claim 1 further including an external ceramic ring.
Claim 15
Dependent Claim
21 words
The bipolar battery as defined in claim 13 wherein said external ceramic ring is bonded to said peripheral ceramic seal ring.
Claim 16
Dependent Claim
27 words
The bipolar battery as defined in claim 13 further including an electrically insulating, humidity resistant seal of the opening between successive ones of said external ceramic rings.
Claim 17
Dependent Claim
16 words
The bipolar battery as defined in claim 1 further including a supportive peripheral ceramic seal ring.
Claim 18
Dependent Claim
18 words
The bipolar battery as defined in claim 1 wherein said peripheral ceramic seal ring comprises a sulfide ceramic.
Claim 19
Dependent Claim
18 words
The bipolar battery as defined in claim 1 wherein said electrode containment structure comprises at least two elements.
Claim 20
Dependent Claim
20 words
The bipolar battery as defined in claim 1 wherein said electrode containment structure is sealed using a sulfide ceramic material.
Claim 21
Dependent Claim
21 words
The bipolar battery as defined in claim 1 further including a dispersed current collecting network bonded to said cup-like electrode holder.
Claim 22
Dependent Claim
103 words
A bipolar battery cell, comprising: a negative electrode; a positive electrode and a separator element disposed between said negative electrode and said positive electrode, said separator element electrically insulating said electrodes from one another; an electrolyte disposed within at least one of said negative electrode, said positive electrode and said separator element where said electrolyte is in contact with both said electrodes; and an electrode containment structure including a cup-like electrode holder comprising a ceramic coating on a metal substrate, a perimeter metallic seal ring forming a negative electrode compartment and a peripheral ceramic seal ring electrically isolating said positive and negative electrodes.
Claim 23
Dependent Claim
103 words
A bipolar battery cell, comprising: a negative electrode; a positive electrode and a separator element disposed between said negative electrode and said positive electrode, said separator element electrically insulating said electrodes from one another; an electrolyte disposed within at least one of said negative electrode, said positive electrode and said separator element where said electrolyte is in contact with both said electrodes; and an electrode containment structure including a cup-like electrode holder comprising a ceramic coating on a metal substrate, a perimeter metallic seal ring forming a negative electrode compartment and a peripheral ceramic seal ring electrically isolating said positive and negative electrodes.
Claim 24
Dependent Claim
18 words
The bipolar battery cell as defined in claim 21 wherein said cup-like electrode holder includes an intermetallic layer.
Claim 25
Dependent Claim
24 words
The bipolar battery intermetallic layer defined in claim 22 wherein said intermetallic layer is selected from the group consisting of aluminides, silicides and phosphides.
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) | 1995-11-10 | 1996-05-11 | 1996-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-10 | 2000-05-11 | 2000-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-10 | 2004-05-11 | 2004-11-10 | $7700.00 | Window Closed / Lapsed |