Nonaqueous electrolyte secondary battery

Details Nonaqueous electrolyte secondary battery Nonaqueous electrolyte secondary battery

1991-11-15

1994-03-08

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429232, H01M 1040

Patent

active

052926010

ABSTRACT:
A nonaqueous electrolyte secondary batter which comprises a negative electrode which comprises a carbonaceous material capable of doping and de-doping lithium, a positive electrode made of an active material which comprises a Li-containing metal complex oxide of the general formula, Li.sub.x MO.sub.2, wherein M represents at least one member selected from the group consisting of Co, Ni and Mn and 0.5.ltoreq.x.ltoreq.1, and a nonaqueous electrolyte which contains an electrolyte and an organic solvent therefor. The organic solvent is a mixed solvent of propylene carbonate and at least one member selected from the group consisting of diethyl carbonate and dipropyl carbonate.

REFERENCES:
patent: 4751160 (1988-06-01), Plighta et al.
patent: 4786499 (1988-11-01), Slane et al.
patent: 5093216 (1992-03-01), Azuma et al.
Koshina, "Organic Electrolyte Secondary Battery", Patent Abstracts of Japan, vol. 14, No. 154 (E-907) (4097) Mar. 23, 1990 of Appl. No. 63-163467.
Hiromi et al, "Nonaqueous Electrolyte Secondary Battery", Patent Abstracts of Japan, vol. 14, No. 151 (E-090) Mar. 22, 1990.
Okuno, "Nonaqueous Electrolyte Secondary Cell", Patent Abstracts of Japan, vol. 13, No. 401 (E-816)(3749) Sep. 6, 1989 of Appl. No. 62-302337.

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