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- Title
Improving Performance of an Integrated Solar Flow Battery by Cr- and Cu-Doped TiO 2 Photoelectrodes.
- Authors
Zhang, Zihan; Lu, Ping; Zhao, Tong; Su, Huaneng; Xu, Qian
- Abstract
This work reports on the preparation of Cr-doped TiO2 (Cr–TiO2), Cu-doped (Cu-TiO2), and its utilization in the photoanode of a solar redox flow battery (SRFB). A pure TiO2 electrode, Cr-doped TiO2 electrode, and Cu-doped TiO2 electrode coated with different layers are prepared by the sol-gel method. XRD, XPS, and SEM are used to characterize the relevant data of the electrode. All three electrodes show the structure of the anatase phase, but the Cu-TiO2 and Cr-TiO2 electrodes are more crystalline. Using these materials as photoelectrodes to prepare integrated solar flow cells, the semi-cell and full-cell tests show that the doping of Cr and Cu improves the efficiency and charging current of solar cells. The average charging currents of the Cu-TiO2 and Cr-TiO2 electrodes are 384.20 μ A and 450.75 μ A , respectively, compared with the TiO2 electrode; this increment reaches values of 71.23% and 100.97%.
- Subjects
FLOW batteries; SOLAR batteries; TITANIUM dioxide; SOLAR cells; SOL-gel processes
- Publication
Molecules, 2023, Vol 28, Issue 1, p171
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules28010171