Patent · US Active

Membrane electrode assembly with fluoro alkyl compound additive

US11431014B2 · kind B2 · utility

0Cited by

3References

14Claims

0Family size

Assignee

BALLARD POWER SYSTEMS INC. · US

Inventors

Rajesh Bashyam · Richmond, CA
Ping He · 安丰镇, CN
Siyu Ye · Longbeilingcun, CN

Key dates

Filing date	Jul 17, 2018
Grant date	Aug 30, 2022
Priority date	—
Expiry date	Mar 17, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A membrane electrode assembly comprises an anode electrode comprising an anode catalyst layer and an anode gas diffusion layer, a cathode electrode comprising a cathode catalyst layer and a cathode gas diffusion layer, a polymer electrolyte membrane interposed between the anode catalyst layer and the cathode catalyst layer, and a layer comprising a fluoroalkyl-phosphonic acid compound between at least one of the anode gas diffusion layer and the anode catalyst layer, the anode catalyst layer and the polymer electrolyte membrane, the polymer electrolyte membrane and the cathode catalyst layer, and the cathode catalyst layer and the cathode gas diffusion layer.

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