Novel Conductive Water Removal Membrane (CWRM) for PEM Passive Fuel Cell Operation

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$600,000.00
Award Year:
2011
Program:
SBIR
Phase:
Phase II
Contract:
NNX11CB50C
Award Id:
n/a
Agency Tracking Number:
095258
Solicitation Year:
2009
Solicitation Topic Code:
X7.03
Solicitation Number:
n/a
Small Business Information
MA, Woburn, MA, 01801-6519
Hubzone Owned:
N
Minority Owned:
Y
Woman Owned:
Y
Duns:
161844204
Principal Investigator:
Michael Pien
Principal Investigator
(781) 938-5300
mpien@fuelcell.com
Business Contact:
Radha Jalan
Business Official
(781) 938-5530
jbernier@fuelcell.com
Research Institution:
Stub




Abstract
ElectroChem proposes a Phase II program to advance its Phase I effort, to develop a conductive water removal membrane to enable passive, high current density PEMFC operation. Very good progress was demonstrated by the two approaches investigated: 1) Construct a carbon-based composite, higher bubble point membrane; 2) convert a polymer-based water removal membrane to a conductive membrane (both approaches to meet the CWRM primary requirements of conductivity, water permeation, and "no gas leakage").In Phase I, coating the carbon with conductive/hydrophilic materials was very effective, resulting in CWRM's that met the conductivity and water permeation requirements and reduced gas permeation by 99.8%. A multilayer variation achieved "no gas permeation" at 40 psig. In the polymer approach, conductive material treatments were successful in increasing conductivity.In Phase II, we will 1) use quantitative control of the carbon coatings to advance the promising carbon composite approach; 2) utilize individual layers with different properties to construct a multilayer CWRM; 3) investigate the use of a conducting polymer to increase bubble pressure.To produce a polymer-based CWRM, an advanced pore modification technique will be used to enhance polymer acceptability of the conductive particles. The program will culminate with fuel cell testing of the CWRM's.

* information listed above is at the time of submission.

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