A dye-sensitized solar cell unit, a photovoltaic charger including the dye-sensitized solar cell unit and a method for producing the solar cell unit

Abstract

The present invention relates to a dye-sensitized solar cell unit (1) comprising:—a working electrode comprising a porous light-absorbing layer (10),—a porous first conductive layer (12) including conductive material for extracting photo-generated electrons In from the light-absorbing layer (10),—a porous insulating layer (105) made of an insulating material,—a counter electrode comprising a porous catalytic conductive layer (106) formed on the opposite side of the porous insulating layer (105), and—an ionic based electrolyte for transferring electrons from the counter electrode to the working electrode and arranged in pores of the porous first conductive layer (12), the porous catalytic conductive layer (106), and the porous insulating layer (105), wherein the first conductive layer (12) comprises an insulating oxide layer (109) formed on the surfaces of the conductive material, and the porous catalytic conductive layer (106) comprises conductive material (107′) and catalytic particles (107″) distributed in the conductive material for improving the transfer of electrons from the conductive material (107″) to the electrolyte.

Dependencies are inferred from the claim text.