Patent ID: 8293079

Claim:
An electrolysis system comprising: a vertical multi junction (VMJ) photovoltaic cell that includes a plurality of integrally bonded cell units, each cell unit with a plurality of layers that form a PN junction(s); a textured surface of the VMJ photovoltaic cell for receipt of incident light, the textured surface for mitigation of bulk recombination losses for the VMJ photovoltaic cell, the textured surface facilitates confining light refraction of an incident light in a plane that cross sections the textured surface, the plane includes substantially repetitive cross sectional patterns, wherein light absorption is mitigated in p+ and n+ diffused doped regions of the VMJ; an electrolyte that receives a current generated by the VMJ photovoltaic cell, a plurality of anodes and a plurality of cathodes formable by the integrally bonded cell units on a surface of the VMJ, to create the current that decomposes the electrolyte, and a plurality of metal layer protrusions, each protrusion bonded to one of the plurality of anodes and to one of the plurality of cathodes.