Long-term testing results of WO3-based electrochromic cells

Andrejs R. Lusis; E. Pentjuss; G. Bajars; J. Benders; V. Eglitis

doi:10.1117/12.266842

6 February 1997 Long-term testing results of WO₃-based electrochromic cells

Andrejs R. Lusis, E. Pentjuss, G. Bajars, J. Benders, V. Eglitis

Proceedings Volume 2968, Optical Organic and Semiconductor Inorganic Materials; (1997) https://doi.org/10.1117/12.266842
Event: International Conference on Advanced Optical Materials and Devices, 1996, Riga, Latvia

Abstract

Two batches of the samples of electrochromic cell with WO₃ and IrO_x electrodes and Sb₂O₅ (DOT) water based solid electrolyte were tested at constant contrast ratio up to 10⁷ cycles or stored during five years and the changes of current-voltage characteristics were studied. Two kinds of the changes were observed. The shift of curves along the voltage axis is supposed to be associated with the changes in the oxidation degree of tungsten oxide, while the changes in their shapes are associated with changes of water content in pores. The processes in the samples during cycling and storing are discussed.

Citation Download Citation

Andrejs R. Lusis, E. Pentjuss, G. Bajars, J. Benders, and V. Eglitis "Long-term testing results of WO₃-based electrochromic cells", Proc. SPIE 2968, Optical Organic and Semiconductor Inorganic Materials, (6 February 1997); https://doi.org/10.1117/12.266842

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