Patent · US Active

Separator for metal air cells

US11784375B2 · kind B2 · utility

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17Claims
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Assignee

Inventors

Key dates

Filing dateMay 10, 2021
Grant dateOct 10, 2023
Priority date
Expiry dateNov 30, 2041

Classification

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

Abstract

An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.

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