Patent · US Active

SO2-based electrolyte for a rechargeable battery cell, and rechargeable battery cells

US11710849B2 · kind B2 · utility

1Cited by
3References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2020
Grant dateJul 25, 2023
Priority date
Expiry dateSep 3, 2041

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

This disclosure relates to an SO2-based electrolyte for a rechargeable battery cell containing at least one conducting salt of the Formula (I) wherein M is a metal selected from the group consisting of alkali metals, alkaline earth metals, metals of group 12 of the periodic table of the elements and aluminum; x is an integer from 1 to 3; the substituents R, R2, R3 and R4 are each independently selected from the group consisting of C1-C10 alkyl, C2-C1 alkenyl, C2-C1 alkynyl, C3-C10 cycloalkyl, C6-C14 aryl, and C5-C14 heteroaryl; and Z is aluminum or boron.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.