MOLDED TITANIUM CARBIDE BIPOLAR PLATES FOR HIGH VOLTAGE BATTERY AND FUEL POWER SOURCES

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$74,978.00
Award Year:
1993
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Agency Tracking Number:
21052
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Giner Inc.
14 Spring St, Waltham, MA, 02154
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr John A Kosek
(617) 899-7270
Business Contact:
() -
Research Institution:
n/a
Abstract
A LACK OF INEXPENSIVE, CORROSION-RESISTANT MATERIALS FOR BIPOLAR PLATES IS A MAJOR HINDANCE TO COMMERCIALIZATION OF MANY ADVANCED ACIDIC ELECTROCHEMICAL SYSTEMS, WHERE ONE OF THE ELECTRODES OPERATES AT A HIGH OXIDIZING POTENTIAL. UNDER THESE CONDITIONS, GRAPHITE, A RELATIVELY LOW COST MATERIAL, IS UNSTABLE. SOME STABILITY IMPROVEMENTS ARE POSSIBLE THROUGH RESIN IMPREGNATION AND HIGH-TEMPERATURE HEAT TREATMENT. HOWEVER, THESE PROCESSES RESULT IN SIGNIFICANTLY INCREASED COST. IN THIS PROJECT, BIPOLAR PLATES MADE FROM CORROSION-RESISTANT TITANIUM CARBIDE (TIC) WILL BE DEVELOPED. IN PRELIMINARY TESTING, SUCH PLATES SHOWED SIGNIFICANTLY BETTER CORROSION RESISTANCE AT OXIDIZING CONDITIONS THAN GRAPHITE. SINCE THE TIC PLATES WILL BE MANUFACTURED USING, A LOW-COST MOLDING PROCESS, COST IS EXPECTED TO BE LES THAN RESIN-IMPREGNATED GRAPHITE PLATES. FURTHERMORE, THE TIC PLATES WILL HAVE HIGHER ELECTRICAL CONDUCTIVITY THAN GRAPHITE PLATES. PHASE I WILL DEVELOP PROCEDURES FOR MOLDING BIPOLAR PLATES WITH DESIRABLE PHYSICAL, CHEMICAL, AND ELECTROCHEMICAL PROPERTIES FOR USE IN ACID-CONTAINING APPLICATIONS UNDER OXIDIZING CONDITIONS. THE EFFECT OF MOLDING CONDITIONS ON BIPOLAR PLATE PROPERTIES AND THE USE OF THE PLATE IN FUEL CELLS WILL BE INVESTIGATED.

* information listed above is at the time of submission.

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