Lithium aluminum manganese oxy-fluorides for Li-ion rechargeable

Details Lithium aluminum manganese oxy-fluorides for Li-ion rechargeable Lithium aluminum manganese oxy-fluorides for Li-ion rechargeable

1997-06-04

1998-06-02

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429218, 423464, 423594, H01M 440, H01M 450

Patent

active

057597200

ABSTRACT:
The cycling stability and capacity of Li-ion rechargeable batteries are improved, particularly in an elevated temperature range of about 55.degree. C., by the use of lithium aluminum manganese oxy-fluoride electrode components having the general formula, Li.sub.1+x Al.sub.y Mn.sub.2-x-y O.sub.4-z F.sub.z, where x.ltoreq.0.4, 0.1.ltoreq.y.ltoreq.0.3, and 0.05.ltoreq.z.ltoreq.0.5.

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Lithium intercalation in Li-Mg-Mn-O and Li-Al-Mn-O spinels; Le Cras et al., Solid State Ionics, 89 (1996), pp. 203-213 (no month available).

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