C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
C25B 15/08 (2006.01) C25B 9/08 (2006.01)
Patent
CA 2488634
A distributing element for an electrolyte percolating-type electrochemical cell comprises an external feeding manifold (7) and an assembly formed by a gas diffusion electrode (10), a percolator (9) and optionally an ion-exchange membrane (3'). The element is particularly suitable for chlor-alkali electrolysis cells and alkaline fuel cells. It is also disclosed a method for retrofitting membrane electrochemical cells by inserting the distributing element of the invention therein.
L'invention concerne un élément de distribution destiné à une cellule électrochimique du type percolation électrolytique comprenant un collecteur d'alimentation externe, un ensemble formé d'une électrode de diffusion gazeuse, un percolateur et éventuellement une membrane d'échange ionique. Ledit élément est particulièrement approprié pour des cellules d'électrolyse chlore-alcali et des piles à combustible alcalines. L'invention concerne également un procédé permettant de modifier des cellules électrochimiques à membrane par introduction dudit élément dans celles-ci.
Oldani Dario
Pasquinucci Antonio
de Nora Elettrodi S.p.a.
Industrie de Nora S.p.a.
Macrae & Co.
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