Method of making MEA for PEM/SPE fuel cell
Abstract
A method of making a membrane-electrode-assembly (MEA) for a PEM/SPE fuel cell comprising applying a slurry of electrode-forming material directly onto a membrane-electrolyte film. The slurry comprises a liquid vehicle carrying catalyst particles and a binder for the catalyst particles. The membrane-electrolyte is preswollen by contact with the vehicle before the electrode-forming slurry is applied to the membrane-electrolyte. The swollen membrane-electrolyte is constrained against shrinking in the "x" and "y" directions during drying. Following assembly of the fuel cell, the MEA is rehydrated inside the fuel cell such that it swells in the "z" direction for enhanced electrical contact with contiguous electrically conductive components of the fuel cell.
- Inventors:
-
- West Henrietta, NY
- Issue Date:
- Research Org.:
- General Motors LLC, Detroit, MI (United States)
- OSTI Identifier:
- 873033
- Patent Number(s):
- 6074692
- Assignee:
- General Motors Corporation (Detroit, MI)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- DOE Contract Number:
- AC02-90CH10435
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- method; mea; pem; spe; fuel; cell; membrane-electrode-assembly; comprising; applying; slurry; electrode-forming; material; directly; membrane-electrolyte; film; comprises; liquid; vehicle; carrying; catalyst; particles; binder; preswollen; contact; applied; swollen; constrained; shrinking; directions; drying; following; assembly; rehydrated; inside; swells; z; direction; enhanced; electrical; contiguous; electrically; conductive; components; electrolyte film; fuel cell; catalyst particles; electrical contact; electrically conductive; cell comprising; slurry comprises; spe fuel; forming material; enhanced electrical; liquid vehicle; catalyst particle; swollen membrane; material directly; /427/429/
Citation Formats
Hulett, Jay S. Method of making MEA for PEM/SPE fuel cell. United States: N. p., 2000.
Web.
Hulett, Jay S. Method of making MEA for PEM/SPE fuel cell. United States.
Hulett, Jay S. Sat .
"Method of making MEA for PEM/SPE fuel cell". United States. https://www.osti.gov/servlets/purl/873033.
@article{osti_873033,
title = {Method of making MEA for PEM/SPE fuel cell},
author = {Hulett, Jay S},
abstractNote = {A method of making a membrane-electrode-assembly (MEA) for a PEM/SPE fuel cell comprising applying a slurry of electrode-forming material directly onto a membrane-electrolyte film. The slurry comprises a liquid vehicle carrying catalyst particles and a binder for the catalyst particles. The membrane-electrolyte is preswollen by contact with the vehicle before the electrode-forming slurry is applied to the membrane-electrolyte. The swollen membrane-electrolyte is constrained against shrinking in the "x" and "y" directions during drying. Following assembly of the fuel cell, the MEA is rehydrated inside the fuel cell such that it swells in the "z" direction for enhanced electrical contact with contiguous electrically conductive components of the fuel cell.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Jan 01 00:00:00 EST 2000},
month = {Sat Jan 01 00:00:00 EST 2000}
}
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