Nonaqueous secondary battery and negative electrode material the

Details Nonaqueous secondary battery and negative electrode material the Nonaqueous secondary battery and negative electrode material the

1996-06-10

1998-06-23

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 2521821, H01M 458

Patent

active

057703337

ABSTRACT:
A non-aqueous secondary battery having a long life-time and a high capacity density is provided by increasing the discharging capacity of the negative electrode and extending the life-time of the negative electrode. The nonaqueous secondary battery has a positive electrode and a negative electrode reversibly absorbing and discharging an alkaline metal and a nonaqueous electrolyte, wherein the negative electrode is made of an inter-metallic compound containing at least one element selected from the group consisting of 4A group elements, P and Sb, the inter-metallic compound has any one of CaF.sub.2 type, ZnS type and AlLiSi type crystal structures, and the CaF.sub.2 type structure is any one an inverse-fluorite structure and a fluorite structure having a lattice constant larger than 6.36 .ANG..

REFERENCES:
patent: 4002492 (1977-01-01), Rao
patent: 5294503 (1994-03-01), Huang et al.

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