Non-aqueous electrolyte secondary battery
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsYasuhiko Bito, Toshitada Sato, Hiromu Matsuda, Yoshinori Toyoguchi
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Abstract
The disclosure is a non-aqueous electrolyte secondary battery of high energy density and long life exhibiting an excellent charge and discharge cycle life. The battery comprises a rechargeable positive electrode, a rechargeable negative electrode, and a non-aqueous electrolyte, the negative electrode including a compound represented by the formula LiκMXα, where X represents at least one selected from the group consisting of fluorine, chlorine, bromine and iodine and M represents at least one selected from the group consisting of Sn, Si, Ge, Pb, Bi, P, B, Ga, In, Al, As, Sb, Zn, Ir, Mg, Ca, Sr, and Ba and where 0≦κ<10 and 2<α<12.
Claims9
A non-aqueous electrolyte secondary battery comprising:
- a rechargeable positive electrode,
- a rechargeable negative electrode, and
- a non-aqueous electrolyte,
- wherein said negative electrode includes a compound represented by the general formula LiκMXα, where X represents at least one element selected from the group consisting of fluorine, chlorine, bromine and iodine and M represents at least one element selected from the group consisting of Sn, Pb, Bi, B, In, Ir, Mg, Ca, Sr, and Ba and where 0≦κ<10 and 2<α<12.
A non-aqueous electrolyte secondary battery comprising:
- a rechargeable positive electrode,
- a rechargeable negative electrode, and
- a non-aqueous electrolyte,
- wherein said negative electrode includes a compound represented by the general formula LiκSnFα, where 0≦κ<10 and 2<α<12.
A non-aqueous electrolyte secondary battery comprising:
- a rechargeable positive electrode,
- a rechargeable negative electrode, and
- a non-aqueous electrolyte,
- wherein said negative electrode includes a compound represented by the general formula LiκMXα, where X represents at least one element selected from the group consisting of fluorine, chlorine, bromine and iodine and M represents at least one element selected from the group consisting of Sn, Pb, Bi, B, In, Ir, Mg, Ca, Sr, and Ba and where 0≦κ<10 and 1<α≦2.
A non-aqueous electrolyte secondary battery comprising:
- a rechargeable positive electrode,
- a rechargeable negative electrode, and
- a non-aqueous electrolyte,
- wherein said negative electrode includes a compound represented by the general formula LiκSnFα, where 0≦κ<10 and 1<α≦2.
Dependencies are inferred from the claim text.