ACTIVE MATERIAL FOR NEGATIVE ELECTRODE OF ELECTRIC DEVICE Russian patent published in 2016 - IPC H01M4/38 H01M4/134 H01M10/525 

Abstract RU 2575122 C2

FIELD: electricity.

SUBSTANCE: invention relates to an active material for a negative electrode for a lithium-ion secondary battery that contains an alloy consisting of Si within the range of 31 wt % or more up to 50 wt % or less, Sn within the range of 16 wt % or more up to 41 wt % or less, Al within the range of 24 wt % or more up to 43 wt % or less and inevitable admixtures as a residue. The invention also relates to the negative electrode for the lithium-ion secondary battery that contains the active material for the negative electrode of the lithium-ion secondary battery as well as the lithium-ion secondary battery.

EFFECT: material allows the suppression of an amorphous to crystalline phase conversion in order to increase the duration of a cyclic resource thus ensuring high capacitance.

4 cl, 1 tbl, 5 dwg

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RU 2 575 122 C2

Authors

Vatanabe Manabu

Josida Masao

Tanaka Osamu

Dates

2016-02-10Published

2012-03-16Filed