Niobium-doped titanium membranes

Details Niobium-doped titanium membranes Niobium-doped titanium membranes

1989-07-05

1991-07-02

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501134, 252 623BT, C04B 3546

Patent

active

050285688

ABSTRACT:
A metal oxide particulate membrane is made more electrically conductive, and thus more suitable for electrochemical cells by the incorporation into the membrane of a dopant element. The dopant is dissolved in an alcohol and then incorporated in the sol-gel process used to form the particulate metal oxide membrane. The invention is exemplified by a niobium doped titanium dioxide ceramic membrane which has good porosity while having a conductivity several orders of magnitude higher than a similar membrane made without incorporating the niobium dopant.

REFERENCES:
patent: 3948751 (1976-04-01), Bianchi et al.
patent: 4003817 (1977-01-01), Bianchi et al.
patent: 4483785 (1984-11-01), Johnson et al.
patent: 4517068 (1985-05-01), Hinden et al.
"Sol-Gel Processing", Donald R. Ulrich; Chemtech, Apr. 1988 pp. 242-249.

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