Patent · US Active

Electrochemical cell with TMCCC electrodes in an acetonitrile solvent including a dinitrile additive

US11283109B1 · kind B1 · utility

6Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 2020
Grant dateMar 22, 2022
Priority date
Expiry dateJun 11, 2040

Classification

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

Abstract

A system and method for a liquid electrolyte used in secondary electrochemical cells having at least one electrode including a TMCCC material, the liquid electrolyte enabling an increased lifetime while allowing for fast discharge to extremely high depth of discharge. The addition of dinitriles to liquid electrolytes in electrochemical cells in which energy storage is achieved by ion intercalation in transition metal cyanide coordination compounds (TMCCC) has the advantage of increasing device lifetime by inhibiting common chemical and electrochemical degradation mechanisms.

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