BATTERY CELL Russian patent published in 2022 - IPC H01M10/525 H01M10/563 H01M10/567 H01M10/58 

Abstract RU 2787017 C1

FIELD: power sources.

SUBSTANCE: invention relates to a battery cell (2, 20, 40) containing an active metal, at least one positive electrode (4, 23, 44), at least one negative electrode (5, 22, 45), a housing (1, 28) and an electrolyte, while the positive electrode (4, 24, 44) contains at least one polyanion compound as the active material, the electrolyte is based on SO2 and contains at least one conductive salt of formula (1)

in which M is a metal selected from a group consisting of alkali metals, alkaline earth metals, metals of group 12 of the Periodic Table of Elements, and aluminum; x is an integer from 1 to 3; substituents R1, R2, R3 and R4 are selected, independently of each other, from a group consisting of C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C6-C14 aryl and C5-C14 heteroaryl, Z is aluminum or boron.

EFFECT: increase in capacity and stability at low temperatures.

25 cl, 3 tbl, 15 dwg, 7 ex

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RU 2 787 017 C1

Authors

Zink, Laurent

Pszolla, Christian

Borck, Markus

Dates

2022-12-28Published

2020-07-30Filed