Lithium secondary battery using a non-aqueous solvent

Details Lithium secondary battery using a non-aqueous solvent Lithium secondary battery using a non-aqueous solvent

1992-12-17

1994-07-05

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 423445R, 423448, 264 291, H01M 436, C10B 3100

Patent

active

053266587

ABSTRACT:
The invention provides for a lithium secondary battery using a non-aqueous solvent wherein the anode material is prepared by the pyrolysis of organic compound starting materials obtained by reacting at least one conjugated polycyclic compound with a nitro compound or with a nitrating agent. The anode material contains at least the elements carbon and nitrogen, the nitrogen content ranging from 0.5% to 6% by weight. Eighty percent or more of this nitrogen is bound to carbon by either C--N or C.dbd.N bonds. The ratio of the intensity of the x-ray photoelectron spectroscopy ("XPS") peak observed for the anode material at 401.2.+-.0.2 eV to the intensity of peak observed for the anode material at 398.8.+-.0.4 eV is 1.0:1 or more.

REFERENCES:
patent: 4423125 (1983-12-01), Basu
patent: 4615959 (1986-10-01), Hayashi et al.
patent: 4668595 (1987-05-01), Yoshino et al.
patent: 4702977 (1987-10-01), Hiratsuka et al.
patent: 4725422 (1988-02-01), Miyabayashi et al.
patent: 5093216 (1992-03-01), Azuma et al.

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