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Regenerative effects by temperature variations in dye-sensitized solar cells

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Nov 2007Publisher:Elsevier BVJournal:Solar Energy Materials and Solar Cells, volume 91, pages 1,733-1,742 (issn: 0927-0248,

Authors: Peter Lund; Minna Toivola; Lauri Peltokorpi; Janne Halme;

doi: 10.1016/j.solmat.2007.05.030

Regenerative effects by temperature variations in dye-sensitized solar cells

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Abstract

The effect of repeated temperature variations on the performance of both fresh and aged dye-sensitized solar cells with liquid and semisolid electrolytes has been studied. The cell performance was characterized with IV-curves obtained at different cell operating temperatures and electrochemical impedance spectroscopy measurements before and after the temperature treatments. Consecutive temperature rampings of the aged cells did regenerate the cell function, so that the total efficiency drop over the observation period was on average 18%/unit less for the temperature-treated cells than for reference cells aged at constant temperature. r 2007 Elsevier B.V. All rights reserved.

Related Organizations

Helsinki University of Technology
Finland
Helsinki University of Technology
Finland

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