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Content archived on 2019-03-15

INVESTIGATION OF GLASS MATERIALS FOR MEW SOLID ELECTROLITES AND THEIR ASSOCIATED CATHODES

Objective



IN THIS PROJECT A POROUS MATRIX HAS BEEN DEVELOPED FOR A H2/AIR ALKALINE FUEL CELL WHICH IMMOBILIZES THE ELECTROLYTE AND REPLACES THE FREE ELECTROLYTE. THE MATRIX ALLOWS A SHORTER INTER-ELECTRODE DISTANCE WHICH LEADS TO A HIGHER (MASS AND VOLUME) POWER DENSITY OF THE FUEL CELL. HOWEVER, DISSIPATION OF HEAT WILL BE MORE DIFFICULT. POLYAMIDE AND POLYPROPYLENE WERE FOUND TO BE EQUALLY GOOD MATRICES UP TO 100 AND 120 DEGREES C RESPECTIVELY. A SATISFACTORY AIR ELECTRODE WAS DEVELOPED CONSISTING OF A LAYER OF FRITTED NICKEL COVERED BY A VERY POROUS NICKEL FOAM CONTAINING SILVERED ACTIVE CARBON TO REDUCE POLARIZATION DUE TO HYDROGEN PEROXIDE FORMATION. CELLS (10 CM2) WERE TESTED FOR 1500 HR. AT 80 DEGREES C AND CURRENT DENSITIES OF 150 MA/CM2 WERE OBTAINED; THIS COMPARES FAVORABLY WITH CELLS OF THE BELGIAN-DUTCH ELENCO PROJECT WHICH IS THE MOST ADVANCED WORKING ON H2/AIR ALKALINE FUEL CELLS IN EUROPE.

Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

Sorapec
EU contribution
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Address
192 rue Carnot
94120 Fontenay-sous-Bois
France

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Total cost
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