Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1997-03-18
1999-02-02
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
423599, H01M 450
Patent
active
058662790
ABSTRACT:
A nonaqueous electrolyte secondary cell, wherein a lithium-containing metal oxide capable of binding and releasing lithium is used as a positive electrode, and a nonaqueous electrolyte containing a lithium salt is used as an electrolyte, in which a spinel type lithium manganese oxide which satisfies the formula:
wherein 0.ltoreq.x.ltoreq.0.05, and -0.025.ltoreq..delta..ltoreq.0.050, and wherein the average valency of Mn is within a range of from 3.501 to 3.535, is used as the lithium-containing metal oxide.
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patent: 5683835 (1997-11-01), Bruce
patent: 5693307 (1997-12-01), Bowden et al.
patent: 5716737 (1998-02-01), Hasegawa et al.
Patent Abstracts of Japan, vol. 96, No. 2, Feb. 29, 1996, JP 07 282798, Oct. 27, 1995.
Yuan Gao, et al., Journal of the Electrochemical Society, vol. 143, No. 1, pp. 100-114, "Synthesis and Characterization of Li.sub.1-x Mn.sub.2-x O.sub.4 For Li-Ion Battery Applications", Jan. 1, 1996.
Yuan Gao, et al., Solid State Ionics, vol. 84, No. 1 &2, pp. 33-40, "Correlation Between the Growth of the 3.3 V Discharge Plateau and Capacity Fading in Li.sub.1+x Mn.sub.2-x O.sub.4 Materials", Mar. 1996.
Shizuka Kenji
Wada Hiroshi
Kalafut Stephen
Mitsubishi Chemical Corporation
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