Patent · US Active

Rechargeable electrochemical cell

US12074317B2 · kind B2 · utility

0Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2020
Grant dateAug 27, 2024
Priority date
Expiry dateJan 25, 2042

Classification

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

Abstract

A rechargeable electrochemical battery cell with a housing, a positive electrode, a negative electrode and an electrolyte which contains SO2 and a conducting salt of the active metal of the cell, whereby at least one of the electrodes contains a binder chosen from the group: Binder A, which consists of a polymer, which is made of monomeric structural units of a conjugated carboxylic acid or of the alkali salt, earth alkali salt or ammonium salt of this conjugated carboxylic acid or a combination thereof or binder B which consists of a polymer based on monomeric styrene structural units or butadiene structural units or a mixture of binder A and B.

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