H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/04 (2006.01) C10L 7/02 (2006.01) G01F 23/24 (2006.01) H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/96 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01) H01M 8/24 (2006.01) H01M 16/00 (2006.01) H04B 1/38 (2006.01) H04M 1/02 (2006.01) H01M 4/92 (2006.01)
Patent
CA 2454789
The present invention provides a cathode (18) and a fuel cell (8), which are built to prevent escape of liquids, e.g. water and fuel solution, from the cell. Thus, according to a first aspect thereof, the present invention provides a cathode suitable for use in a fuel cell having a proton conducting membrane (17), the cathode (18) comprising a plurality of layers including a catalyst layer and a hydrophobic porous support layer, wherein at least one of said plurality of layers is a liquid water leak-proof layer, which allows gas to pass through it and prevents passage of liquid water and/or aqueous fuel solution.
L'invention concerne une cathode et une pile à combustible, qui sont construits afin d'empêcher une fuite de liquides, p. ex. solution eau et combustible, de la pile. Dans un premier aspect, l'invention concerne une cathode pouvant être utilisée dans une pile à combustible comportant une membrane conductrice de protons ; la cathode présente une pluralité de couches, y compris une couche catalyseur et une couche support poreuse hydrophobe. Au moins une de ces couches est une couche étanche à l'eau, qui permet aux gaz de passer mais empêche tout passage d'eau et/ou de solution aqueuse de combustible.
Aharon Adi
Blum Arnon
Duvdevani Tair
Livshits Vladimir
Peled Emanuel
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
Tel-Aviv University Future Technology Development L.p.
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