Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1985-10-29
1987-08-04
Hearn, Brian E.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429194, A01M 458
Patent
active
046845917
ABSTRACT:
An active material for batteries or cells having improved discharge characteristics and comprising a fluorinated graphite produced by fluorination of graphite with fluorine, the fluorinated graphite containing substantially no unreacted graphite and having a degree of fluorination such that the weight or fluorine content thereof is increased by a further fluorination under conditions equal to or severer than the fluorination conditions adopted to the production of the fluorinated graphite. The use of artificial graphite having a Franklin's P-value of at least 0.45 as a starting material is effective for further improving the discharge voltage and the capacity.
REFERENCES:
patent: 3907593 (1975-09-01), Marincic
patent: 3956018 (1976-05-01), Kozawa
patent: 4105836 (1978-08-01), Almerini
patent: 4247608 (1981-01-01), Watanabe et al.
Kamihigoshi Tutomu
Koyama Satoshi
Maeda Tadayuki
Okamura Kazuo
Daikin Kogyo Co. Ltd.
Hearn Brian E.
Kalafut Stephen J.
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