Non-woven fiber webs
AssigneeJohnson Matthey Public Limited Company
InventorsKaren Leanne Brown, John Malcolm Gascoyne
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Abstract
A non-woven fibre web comprising a plurality of first fibres of amorphous silica, said first fibres being orientated in the x-, y- and optionally z-direction, and optionally being bonded with one or more binder substances, characterised in that one or more continuous strands are embedded within the non-woven fibre web, each continuous strand comprising one or more second fibres of amorphous silica, and a method for the manufacture thereof is disclosed. Also disclosed is an ion-conducting membrane comprising said non-woven web and the use thereof, in particular, in a fuel cell.
Claims16
An ion-conducting membrane comprising:
- a non-woven fiber web comprising a plurality of first fibers of amorphous silica and at least one continuous strand, wherein the first fibers are orientated in either the x- and y-direction or the x-, y- and z-direction, wherein the at least one continuous strand is embedded within the non-woven fiber web and each continuous strand of the at least one continuous strand comprises at least one second fiber of amorphous silica;
- and
- a filler material comprising an ion-conducting polymer.
Dependencies are inferred from the claim text.