Gel Polymer Electrolyte Based Dye Sensitized Solar Cell For Solar Panel

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1. Technology Overview

The present invention proposes a gel electrolyte based on polyacrylonitrile (PAN) for DSSC. The electrolyte comprises of PAN, ethylene carbonate (EC) and propylene carbonate (PC) as plasticizer; characterised in that, the electrolyte further comprises 4- tert-Butylpyridine (TBP), tetrapropylammonium iodide salt (Pr4NI), lithium iodide salt (LiI), 1-butyl-3-methylimidazolium iodide (BMII) and iodine. It was found that the DSSC can achieve efficiency of 9 % with N3 ruthenium based dye. The electrolyte have a composition of 8-10 wt.% PAN, 33-41 wt.% EC, 30-38 wt.% PC, 9-11 wt.% TBP, 3-5 wt.% Pr4NI, 3-5 wt.% LiI, 1-2 wt.% BMII and 1-2 wt.% iodine. The photoanode of the DSSC comprises a glass substrate, a fluorine-doped tin oxide layer adjacent to the substrate, a P90 titanium dioxide layer adjacent to the fluorine doped tin oxide layer, and a ruthenium sensitized P25 titanium dioxide layer adjacent to the P90 titanium dioxide layer. The counter electrode comprises a glass substrate, a fluorine doped tin oxide layer adjacent to the substrate and a platinum layer adjacent to the fluorine-doped tin oxide layer. The solar cell can be connected with fifteen same solar cells to form a solar panel. The solar panel is provided with the solar cells in a parallel pair of eight solar cells in series. A method to produce the gel polymer electrolyte based DSSC is also described.

UMCIC File Number: 603/1130
Patent: PI 2016 701676
Patent status: Pending
Malaysia patent: Gel Polymer Electrolyte Based Dye Sensitized Solar Cell For Solar Panel
This technology is currently available for licensing and commercialisation.

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