Citation: Wen Kui ZHANG, Xi Li TONG, Hui HUANG, Yong Ping GAN, Na HUANG. Photorechargeable Properties of Metal Hydride-SrTiO₃ Electrode[J]. Chinese Chemical Letters, ;2005, 16(7): 979-982. shu

Photorechargeable Properties of Metal Hydride-SrTiO₃ Electrode

Department of Applied Chemistry, Zhejiang University of Technology, Hangzhou 310014

Received Date: 16 August 2004

Fund Project: This project was supported by the National Natural Science Foundation of China (Grant No. 50201016) and the Natural Science Foundation of Zhejiang Proveince(No. Y404044).

A photosensitive metal hydride electrode was prepared by modification with perovskite-type SrTiO₃ photocatalyst. The photorechargeable properties of the prepared electrodes were investigated by using electrochemical cyclic voltammetry and EIS measurements. The results showed that the modified electrode exhibited the obvious photorechargeable properties. The reduction current increased remarkably under the xeon light irradiation compared with the unmodified electrode. During the photocharging process, the potential of the modified electrode shifted quickly to negative direction and a potential plateau of about -0.90V (vs. Hg/HgO) occurred at the end of light irradiation. The corresponding discharge capacity of the electrode was about 5.4 mAh/g.
- Perovskite catalyst,
- strontium titanate,
- photorechargeable properties
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