US Patent 8221934 - Titania nanofibers for fuel cells

http://www.freepatentsonline.com/8221934.html

This patent from GM Global teaches an improved catalyst layer for a fuel cell electrode based on titania and ionic nanotubes. Claim 1 reads:

1. A fuel cell component comprising:

an electrode having a non-carbon support material comprising nanotubes of titania and nanotubes of an ion conducting ionomer.