Design and development of an integrated device consisting of an independent solar cell with electrical storage capacity

ABSTRACT A thin film‐integrated device was constructed consisting of photovoltaic layers combined with additional layers to store charge in real time within the same device. In our design, a dye‐sensitized solar cell and capacitor layers are integrated by a double‐anodized titanium plate, which cons...

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Bibliographic Details
Published in:Progress in photovoltaics 2013-08, Vol.21 (5), p.1153-1157
Main Authors: Mini, Pothanad A., Nair, Shantikumar V., Subramanian, Kavasseri R. V.
Format: Article
Language:English
Subjects:
Applied sciences
capacitor
Capacitors
dye-sensitized solar cell
Energy
Exact sciences and technology
integrated device
nanotubes
Natural energy
Photovoltaic conversion
Solar cells. Photoelectrochemical cells
Solar energy
storage
thin film
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Summary:ABSTRACT A thin film‐integrated device was constructed consisting of photovoltaic layers combined with additional layers to store charge in real time within the same device. In our design, a dye‐sensitized solar cell and capacitor layers are integrated by a double‐anodized titanium plate, which consists of TiO2 nanotubes grown on either side by electrochemical anodization. The combination device can act either as an independent solar cell, a capacitor, or as a solar cell/capacitor device. The results presented here illustrate the capacitive behavior of high surface area nanotubular metal oxide films, with an achieved capacitance of 140 μF cm−2. Copyright © 2012 John Wiley & Sons, Ltd. This study shows the development of an integrated system, which can simultaneously generate and store electricity from a dye‐sensitized solar cell. A capacitor is integrated along with the solar cell; this directly charges upon illumination and discharges whenever required. The present study shows a simple and inexpensive method of developing an integrated system, which could replace an independent solar cell and battery system for generation and storage.
ISSN:1062-7995
1099-159X
DOI:10.1002/pip.2187