Claims
- 1. A secondary battery comprising:
- a positive electrode having a material containing reversibly intercalated lanthanoid metal ions, said material being selected from the group consisting of BaSmNiO.sub.5, SmMnO.sub.3, Sm.sub.3 Fe.sub.5 O.sub.12, BaEu.sub.2 NiO.sub.5, EuFeO.sub.3, EuFe.sub.5 O.sub.12, EuMnO.sub.3, EuYbFe.sub.2 O.sub.4, LaNiO.sub.3, La.sub.2 CoO.sub.4, LaNi.sub.0.6 Co.sub.0.4 O.sub.3, LaMnO.sub.4.15, La.sub.4 Mn.sub.4 O.sub.11, LaMnO.sub.3, LaMn.sub.7 O.sub.12 and LaMnO.sub.3.15 ;
- a negative electrode having a carbon composition intercalating lanthanoid ions reversibly; and
- an electrolyte having an organic solvent and a solute, said solute including a lanthanoid metal salt.
- 2. A secondary battery according to claim 1, wherein said solute is selected from the group consisting of Sm(BF.sub.4).sub.3, Sm(CF.sub.3 SO.sub.3).sub.3, Sm(PF.sub.6).sub.3, Sm(ClO.sub.4).sub.3, Sm(AsF.sub.6).sub.3, Sm(SbF.sub.6).sub.3, Eu(BF.sub.4).sub.3, Eu(CF.sub.3 SO.sub.3) , Eu(PF.sub.6).sub.3, Eu(ClO.sub.4).sub.3, Eu(AsF.sub.6).sub.3, Eu(SbF.sub.6).sub.3, Yb(BF.sub.4).sub.3, Yb(CF.sub.3 SO.sub.3).sub.3, Yb(PF.sub.6).sub.3, Yb(ClO.sub.4).sub.3, Yb(AsF.sub.6).sub.3, Yb(SbF.sub.6).sub.3, La(BF.sub.4).sub.3, La(CF.sub.3 SO.sub.3).sub.3, La(PF.sub.6).sub.3, La(ClO.sub.4).sub.3, La(AsF.sub.6).sub.3 and La(SbF.sub.6).sub.3.
- 3. A secondary battery according to claim 1, wherein said organic solvent is selected from the group consisting of ethylene carbonate (EC), dimethyl carbonate (DMC) and vinylene carbonate (VC).
- 4. A secondary battery according to claim 1, wherein said carbon composition is selected from the group consisting of coke, refined coke with .sub.99 % or more purity, organic compound produced from calcined cellulose, graphite and glassy carbon.
Priority Claims (1)
Number |
Date |
Country |
Kind |
4-335660 |
Nov 1992 |
JPX |
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Parent Case Info
This is a divisional of application Ser. No. 08/466,197, filed Jun. 6, 1995, now U.S. Pat. No. 5,601,949, which is a continuation-in-part of application Ser. No. 08/134,079, filed Oct. 8, 1993, now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4388227 |
Kalnin |
Jun 1983 |
|
4931240 |
Tajima et al. |
Jun 1990 |
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5601949 |
Fujimoto et al. |
Feb 1997 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
466197 |
Jun 1995 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
134079 |
Oct 1993 |
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