US4020240A
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Electrochemical cell with clovoborate salt in electrolyte and method of operation and composition of matter
Assignee: Duracell Inc USA
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Filing: 1975-09-03
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Granted: 1977-04-26
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Expires: 1995-09-03
Abstract
Abstract An electrolyte salt containing a clovoborate anion structure when employed in an electrochemical cell comprising an active metal anode and an electrolyte solvent/cathode depolarizer has the characteristics of high potential and current capabilities at low temperatures and resists anode passivation during long time storage even at elevated temperatures.
Inventors
- 👤 Carl R. Schlaikjer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:53
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/06; C01B35/08; C01B35/10; C01B6/00; H; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0561; H01M10/0563; H01M6/00; H01M6/14; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
39 words
A composition of matter including a compound having a metal cation and a clovoborate anion as an electrolyte salt and a material selected from the group consisting of fluid oxyhalides, fluid non-metallic oxides, fluid non-metallic halides and mixtures thereof.
Claim 2
Dependent Claim
39 words
A composition of matter including a compound having a metal cation and a clovoborate anion as an electrolyte salt and a material selected from the group consisting of fluid oxyhalides, fluid non-metallic oxides, fluid non-metallic halides and mixtures thereof.
Claim 3
Dependent Claim
31 words
The composition of matter of claim 1, wherein said metal is selected from the metals of the group Li, Na, K, Rb, Cs, Mg, Ca, Sr and Ba or combinations thereof.
Claim 4
Dependent Claim
12 words
The composition of matter of claim 1, wherein said metal is lithium.
Claim 5
Dependent Claim
63 words
The composition of matter of claim 1, wherein the clovoborate anion has a formula (B m X n ) - k wherein m, n, and k are integers with m ranging from 6-20, n ranging from 6-18 and k ranging from 1-4, B is boron, and X is selected from the group consisting of H, F, Cl, Br, I, OH and combination thereof.
Claim 6
Dependent Claim
18 words
The composition of matter of claim 1, wherein said clovoborate anion is B 10 Cl 10 = .
Claim 7
Dependent Claim
61 words
The composition of matter of claim 1, wherein said material is selected from the group of SO 2 , SO 3 , VOCl 3 , CrO 2 Cl 2 , SO 2 Cl 2 , NO 2 Cl, NOCl, NO 2 , SeOCl 2 , POCl 3 , SOCl 2 , S 2 Cl 2 , S 2 Br 2 .
Claim 8
Dependent Claim
14 words
The composition of matter of claim 6, wherein said oxyhalide is SOCl 2 .
Claim 9
Dependent Claim
15 words
A composition of matter including Li 2 B 10 Cl 10 and SOCl 2 .
Claim 10
Dependent Claim
15 words
A composition of matter including Li 2 B 10 Cl 10 and SOCl 2 .
Claim 11
Dependent Claim
23 words
An electrochemical cell including a metal anode, a cathode, and as electrolyte salt a salt including a metal cation and a clovoborate anion.
Claim 12
Dependent Claim
23 words
An electrochemical cell including a metal anode, a cathode, and as electrolyte salt a salt including a metal cation and a clovoborate anion.
Claim 13
Dependent Claim
31 words
The electrochemical cell of claim 9, wherein said metal anode is comprised of metals selected from the group Li, Na, K, Rb, Cs, Mg, Ca, Sr and Ba or combinations thereof.
Claim 14
Dependent Claim
11 words
The electrochemical cell of claim 9, wherein said metal is Li.
Claim 15
Dependent Claim
13 words
The electrochemical cell of claim 9, wherein said cathode comprises a cathode depolarizer.
Claim 16
Dependent Claim
31 words
The electrochemical cell of claim 12, wherein said cathode depolarizer comprises a material selected from a fluid, oxyhalide or a fluid non-metallic oxide or a fluid non-metallic halide and mixtures thereof.
Claim 17
Dependent Claim
67 words
The electrochemical cell of claim 13, wherein said fluid oxyhalide or fluid non-metallic oxide or fluid non-metallic halide are selected from SO 2 , SO 3 , VOCl 3 , CrO 2 Cl 2 , SO 2 Cl 2 , NO 2 CL, NOCl, NO 2 , SeOCl 2 , POCl 3 , SOCl 2 , S 2 Cl 2 , and S 2 Br 2 .
Claim 18
Dependent Claim
14 words
The electrochemical cell of claim 14, wherein said cathode depolarizer is SOCl 2 .
Claim 19
Dependent Claim
36 words
The electrochemical cell of claim 9, wherein the cation of a metal is a cation of a metal selected from the group Li, Na, K, Rb, Cs, Mg, Ca, Sr and Ba along or combinations thereof.
Claim 20
Dependent Claim
11 words
The electrochemical cell of claim 16, wherein said metal is Li.
Claim 21
Dependent Claim
62 words
The electrochemical cell of claim 9, wherein the clovoborate anion has a formula (B m X n ) - k wherein m, n and k are integers with m ranging from 6-20, n ranging from 6-18 and k ranging from 1-4, B is boron, and x is selected from the group consisting of H, F, Cl, Br, I, OH and combinations thereof.
Claim 22
Dependent Claim
18 words
The electrochemical cell of claim 18, wherein X is a halogen (F, Cl, Br, I) or mixtures thereof.
Claim 23
Dependent Claim
17 words
The electrochemical cell of claim 9, wherein the clovoborate anion is B 10 Cl 10 = .
Claim 24
Dependent Claim
18 words
The electrochemical cell of claim 9, wherein said electrolyte salt is Li 2 B 10 Cl 10 .
Claim 25
Dependent Claim
65 words
The electrochemical cell of claim 21, wherein said cathode is SOCl 2 and said cathode and said electrolyte salt are present in a ratio such that the conductivity of the resulting electrolyte solution at 20° C is in the range of 4 × 10 - 9 ohm - 1 cm - 1 to 1.0 × 10 - 1 ohm - 1 cm - 1 .
Claim 26
Independent Claim
37 words
A method for transporting ions between an anode and a cathode comprising the steps of dissolving in a fluid an electrolyte salt having a metal cation and clovoborate anion, and electrically conductively connecting said anode and cathode.
Claim 27
Independent Claim
37 words
A method for transporting ions between an anode and a cathode comprising the steps of dissolving in a fluid an electrolyte salt having a metal cation and clovoborate anion, and electrically conductively connecting said anode and cathode.
Claim 28
Dependent Claim
10 words
The method of claim 23, wherein said metal as Li.
Claim 29
Dependent Claim
47 words
The method of claim 23, wherein the clovoborate anion has a formula (B m X n ) - k wherein m, n and k are integers, B is boron, and X is selected from the group consisting of H, F, Cl, Br, I, OH and combinations thereof.
Claim 30
Dependent Claim
16 words
The method of claim 24, wherein said clovoborate anion is B 10 Cl 10 = .
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) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |