Patent · US Active

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

US11876182B2 · kind B2 · utility

1Cited by
4References
9Claims
0Family size

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Key dates

Filing dateJul 13, 2023
Grant dateJan 16, 2024
Priority date
Expiry dateJul 13, 2043

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.