US Patent 8017284 - Nano-carbon fiber electrode for fuel cell

http://www.freepatentsonline.com/8017284.html

This patent from Samsung includes some broad claims for high strength and high conductivity electrodes based on nano-carbon fiber. Claim 1 reads:

1. An electrode for a fuel cell, comprising:

an electrode substrate composed of nano-carbon fiber, the electrode substrate having a pore size ranging from 0.1 nm to 300 μm; and

a catalyst layer formed on the electrode substrate.