Cathodes suitable for use in direct methanol fuel cells are disclosed. A cathode can comprise a composition supported on a conductive substrate, where the composition comprises: reactive nano-particles each consisting essentially of a core of metal and/or metal alloy and a shell of an oxide of the metal...http://www.google.co.uk/patents/US7955755?utm_source=gb-gplus-sharePatent US7955755 - Compositions of nanometal particles containing a metal or alloy and platinum particles
