Dye-sensitized solar cells
A solar cell and dye sensitization technology, applied in the field of dye-sensitized solar cells, can solve the problems of reducing the total output of the dye-sensitized solar cell, reducing the effective area, etc., and achieve the effects of low cost, increased effective area, and simple steps
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no. 1 example
[0028] Such as Figure 1A As shown, the dye-sensitized solar cell according to the first embodiment of the present invention includes a working electrode, a counter electrode, and an electrolyte 170 filled between the working electrode and the counter electrode. The working electrode and the counter electrode are stacked together and bonded to each other by an adhesive material 160 .
[0029] The working electrode includes a transparent conductive layer 110 , an oxide semiconductor thick film 120 , a metal electrode 130 and a metal electrode protection layer 140 . For example, a fluorine-doped tin oxide (FTO) transparent conductive layer may be used as the transparent conductive layer 110 . The transparent conductive layer 110 is coated on the surface of the transparent substrate 100 such that photoelectrons can flow through the transparent conductive layer 110 . The oxide semiconductor thick film 120 is formed of porous nanoparticles. Dye molecules are adsorbed on the oxid...
no. 2 example
[0038] The dye-sensitized solar cell according to the second embodiment of the present invention has the same configuration as that of the first embodiment of the present invention except for the following differences: as Figure 2A As shown, the oxide semiconductor thick film 120 of the working electrode (ie, the photoelectrode layer containing porous nanoparticles) is stacked to cover the metal electrode protective layer 140 of the working electrode, and the oxide semiconductor thick film 120 of the counter electrode is stacked to The metal electrode protection layer 140 covering the counter electrode increases the effective area of the oxide semiconductor thick film 120 .
[0039] Such as Figure 2B As shown, according to the second embodiment of the present invention, the metal wires 180 may be formed into a mesh structure, wherein the metal wires 180 cross each other diagonally, thereby improving the current collection efficiency.
[0040] Meanwhile, in this embodiment...
no. 3 example
[0042] The dye-sensitized solar cell according to the third embodiment of the present invention has the same configuration as the second embodiment of the present invention except for the position of the metal electrode 130 .
[0043] Such as Figure 3A As shown, according to the third embodiment, the metal electrode 130 of the working electrode and the metal electrode 130 of the counter electrode are arranged inside each transparent conductive layer 110 on the outer surface of each transparent conductive layer 110, and the outer surface of each transparent conductive layer 110 The surfaces respectively face the inner surfaces of the respective transparent substrates 100 . Therefore, a uniform thickness of the oxide semiconductor thick film 120 (and the resulting dye-sensitized solar cell) can be ensured.
[0044] As shown in the first and second embodiments, the metal wire 180 may be properly arranged inside the transparent conductive layer 110 on the outer surface of the tr...
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Abstract
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