Patent ID: 8263027

Claim:
An apparatus for producing hydrogen comprising: a first plate including a first fin structure comprising a first plurality of fins located thereon; a second fin structure comprising a second plurality of fins located thereon, the first plate and the second plate being assembled having a portion of at least one fin of the first plurality of fins of the first plate interleaved with at least a portion of at least one fin of the second plurality of fins of the second plate; at least one inlet port formed in at least one of the first plate and the second plate; and at least one outlet port formed in at least one of the first plate and the second plate; wherein at least one fin of the first plurality of fins of the first plate includes: at least one longitudinally extending channel extending from a first portion within the at least one fin of the first plurality of fins toward a second portion within the at least one fin of the first plurality of fins; and at least one cross channel extending through the at least one fin of the first plurality of fin structures in fluid communication with the at least one longitudinally extending channel of the at least one fin of the first plurality of fins.