Electric cells using fluorinated graphite as active material of

Details Electric cells using fluorinated graphite as active material of Electric cells using fluorinated graphite as active material of

1985-08-05

1986-03-25

Lefevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429212, 429218, 429 50, 296231, H01M 614

Patent

active

045783276

ABSTRACT:
An electric cell comprising a negative electrode having a light metal as an active material, an electrolyte and a positive electrode having, as an active material, a fluorinated graphite having the formula (C.sub.x F).sub.n wherein x is a numerical value of about 2.0 to about 5.5 and n refers to an indefinite number of the recurring (C.sub.x F) unit and having a crystalline structure exhibiting a peak at about 13.7.degree. to about 15.0.degree. in terms of an angle of 2.theta. corresponding to the diffraction at the (001) plane in an X-ray diffraction pattern, a peak in the vicinity of 685.3 eV due to the F.sub.1S and two peaks in the vicinity of 287.5 eV and 284.3 eV due to the C.sub.1S in the spectrum of electron spectroscopy of chemical analysis, two peaks in the vicinity of 1100 cm.sup.-1 and 1240.sup.-1 in the IR spectrum, an electric conductivity of at least about 10.sup.-8 .OMEGA..sup.-1 cm .sup.-1 and a thermal stability up to 200.degree. C. in air from the viewpoint of an X-ray diffraction pattern.
The electric cell is advantageously used in devices requiring a high voltage such as a watch, a clock, a small radio, a small computer, etc.

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