Patent ID: 7820022
Filing Date: 2010-10-26
Classification: C25B,H01M,Y02P

Abstract:
1. An apparatus for producing hydrogen, the apparatus comprising: a housing defining an interior volume; a window integral to the housing allowing the passage of incident radiation into the interior volume; an opaque membrane having a first side and a second side affixed within the housing, wherein the membrane divides the interior volume defined by the housing into an anterior compartment exposed to incident light passing through the window, and a posterior compartment, wherein the membrane prevents incident light from passing into the posterior compartment; and a plurality of photoelectrochemical particles embedded within the opaque membrane, wherein individual particles of the plurality of photoelectrochemical particles have a first surface area exposed to the anterior compartment on the first side of the opaque membrane and a second surface area exposed to the posterior compartment on the second side of the opaque membrane.