A reformer for a fuel cell system, a fabrication method thereof, and a fuel cell system are provided. The reformer includes a plurality of reaction substrates. The reaction substrates each have a reaction substrate body provided with a flow channel with micropores formed on the surface of the flow channel....http://www.google.com/patents/US7740669?utm_source=gb-gplus-sharePatent US7740669 - Reformer for fuel cell system, fabrication method therefor, and fuel cell system comprising the same