Lithium secondary cell with an alloyed metallic powder containin

Details Lithium secondary cell with an alloyed metallic powder containin Lithium secondary cell with an alloyed metallic powder containin

1995-10-17

1998-08-18

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429220, 429221, 429223, H01M 438

Patent

active

057956790

ABSTRACT:
In Lithium secondary cells, alkali secondary cells and bromine-zinc secondary batteries capable of retarding the growth of a dendrite, which would occur at the time of charging thereof and result in performance degradation, and having high energy densities and long cycle lives, a method for forming a material of a negative electrode of such a secondary cell or battery and a method for handling the material of the negative electrode are provided. The secondary cell or battery is provided with positive and negative electrodes separated from each other by a separator in an electrolyte contained in a case. The negative electrode is made of metallic powder alloyed with at least an amphoteric metal which reacts with both of an acid and an alkali.

REFERENCES:
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patent: 4957826 (1990-09-01), Cheiky
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patent: 5526223 (1996-06-01), Wu et al.
"Cycling behaviour of lithium-aluminium alloys formed on various aluminium substrates as negative electrodes in secondary lithium cells" by N. Kumagai et al.; Journal of Applied Electrochemistry, vol. 22, No. 7, Jul. 1992 pp. 620-627.

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