Claims
- 1. An electrochemical cell comprising:(a) a metal anode; (b) a cathode; and (c) a non-aqueous electrolyte including: (i) at least one organic solvent and (ii) at least one electrolytically active salt represented by the formula: M′(ZRnXq-n)m in which: M′ a cation selected from the group consisting of magnesium, calcium, and aluminum; Z is selected from the group consisting of aluminum, boron, phosphorus, antimony and arsenic; R represents radicals selected from the following groups: alkyl, alkenyl, aryl, phenyl, benzyl, and amido; X is a halogen (I, Br, Cl, F); m=2-3; n=0-5 and q 6 for Z phosphorus, antimony, and arsenic, and n=0-3 and q=4 for Z aluminum and boron; wherein said metal anode and said cation include an identical metal selected from the group consisting of magnesium, calcium, and aluminum.
- 2. The electrochemical cell of claim 1, wherein said non-aqueous electrolyte further includes:(iii) at least one polymer compound.
- 3. The electrochemical cell of claim 2, wherein said polymer compound, said organic solvent, and said electrolytically active salt interact to form a non-aqueous electrolyte having a solid, gel type structure.
- 4. The electrochemical cell of claim 1, wherein said identical metal is magnesium.
- 5. The electrochemical cell of claim 1, wherein said metal anode is magnesium.
- 6. The electrochemical cell of claim 1, wherein Z is aluminum.
- 7. The electrochemical cell of claim 1, wherein M′ is calcium.
- 8. The electrochemical cell of claim 1, wherein said electrolytically active salt is Mg[butylAlCl3]2.
- 9. The electrochemical cell of claim 1, wherein said electrolytically active salt is Mg[butylethylAlCl2]2.
- 10. The electrochemical cell of claim 1, wherein M′ is selected from the group consisting of magnesium and calcium, Z is aluminum, R represents at least one type of alkyl radical, and m is 2.
- 11. The electrochemical cell of claim 2, wherein said organic solvent contains tetraglyme.
- 12. The electrochemical cell of claim 1, wherein said cathode is an intercalation cathode.
- 13. The electrochemical cell of claim 12, wherein said intercalation cathode is a Chevrel-phase intercalation cathode.
- 14. The electrochemical cell of claim 13, wherein said Chevrel-phase intercalation cathode is represented by the formulaCuxMgyMo6S8 wherein 1≧x>0 and 2≧y>0.
- 15. The electrochemical cell of claim 2, wherein said polymer compound includes poly(vinylidene fluoride).
- 16. The electrochemical cell of claim 2, wherein said polymer compound includes polyethylene oxide (PEG).
- 17. The electrochemical cell of claim 2, wherein said polymer compound includes poly(vinylchloride) (PVC).
- 18. The electrochemical cell of claim 2, wherein said solvent contains tetrahydrofuran (THF).
Parent Case Info
This is a continuation-in-part of U.S. patent application Ser. No. 09/419,940 filed Oct. 18, 1999 now U.S. Pat. No. 6,316,141.
US Referenced Citations (7)
Number |
Name |
Date |
Kind |
4104450 |
Whitney et al. |
Aug 1978 |
A |
4139681 |
Klemann et al. |
Feb 1979 |
A |
4511642 |
Higashi et al. |
Apr 1985 |
A |
4894302 |
Hoffman et al. |
Jan 1990 |
A |
4917871 |
Dahn et al. |
Apr 1990 |
A |
5491039 |
Shackle |
Feb 1996 |
A |
5849432 |
Angell et al. |
Dec 1998 |
A |
Foreign Referenced Citations (2)
Number |
Date |
Country |
5-343065 |
Dec 1993 |
JP |
6-223818 |
Aug 1994 |
JP |
Non-Patent Literature Citations (1)
Entry |
Liebenow “A Novel Type Of Magnesium Ion Conducting Polymer Electrolyte” (Electrochimica Acta, Vol 43, Nos. 10-11, pp. 1253-1256. 1998) No month available. |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09/419940 |
Oct 1999 |
US |
Child |
09/870707 |
|
US |