Method for optimizing the conductivity provided by the displacement of H+ protons and/or OH- ions in a conductive membrane

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United States of America Patent

PATENT NO 8956770
APP PUB NO 20100196767A1
SERIAL NO

12602199

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Abstract

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The invention relates to a method for optimizing the conductivity provided by the displacement of H+ protons and/or OH− ions in a conductive membrane made of a material permitting the insertion of steam into said membrane, wherein said method comprises the step of inserting under pressure gaseous flow containing the steam into said membrane in order to force said steam into said membrane under a certain partial pressure so as to obtained the desired conductivity at a given temperature, said partial pressure being higher than or equal to 1 bar, a drop in the operational temperature being compensated by an increase in said partial pressure in order to obtain the same desired conductivity. The invention can be used in particularly interesting applications in the fields of high-temperature water electrolysis for producing hydrogen, of the manufacture of fuel cells using hydrogen fuel, and of hydrogen separation and purification.

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Patent Owner(s)

  • AREVA;ARMINES;CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE;SOCIETE DES CERAMIQUES TECHNIQUES

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benjeriou-Sedjerari, Baroudi St Etienne, FR 1 10
Colomban, Philippe Fresnes, FR 4 44
Goeuriot, Patrice Monistrol sur Loire, FR 2 13
Lacroix, Olivier Montpellier, FR 8 60
Rahmouni, Kamal Paris, FR 5 23
Sala, Béatrice St Gely du Fese, FR 7 39
Takenouti, Hisasi Ollainville, FR 4 17
Van, Der Lee Arie Castelnau le Lez, FR 2 16
Willemin, Stéphanie Montpellier, FR 1 10

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