Effect of the electrical formation of electrochromic devices based on tungsten oxide

Borodzyuliya, V.F., Lebedev, S.O.

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Лебедев С.О., Бородзюля В.Ф. Эффект электрического формования электрохромных устройств на основе оксида вольфрама // Оптический журнал. 2021. Т. 88. № 12. С. 93–100. http://doi.org/10.17586/1023-5086-2021-88-12-93-10

Lebedev S.O., Borodzyuliya V.F. Effect of the electrical formation of electrochromic devices based on tungsten oxide [in Russian] // Opticheskii Zhurnal. 2021. V. 88. № 12. P. 93–100. http://doi.org/10.17586/1023-5086-2021-88-12-93-10

For citation (Journal of Optical Technology):

S. O. Lebedev and V. F. Borodzyulya, "Effect of the electrical formation of electrochromic devices based on tungsten oxide," Journal of Optical Technology. 88(12), 746-750 (2021). https://doi.org/10.1364/JOT.88.000746

Abstract:

Electrochromic energy storage systems have high potential value and competitiveness. However, the problems related to the operation of such electro-optic devices are still not fully solved. The aim of our study was to increase the operational lifetime of electrochromic devices using preoperational electrical action. We discovered an effect of electrical formation of electrochromic devices based on tungsten oxide previously observed only for other types of chemical current sources. The electrical formation comprised multistage action of galvanostatic stabilized current in the stability range of the oxidation–reduction potential. The new approach made it possible to reduce the power consumption of electrochromic devices in the coloration and bleaching stages by approximately 3 times and by 30%–40%, respectively, and achieve an increase in their operational lifetime by 2–3 times.

Keywords:

electrochromic devices, electrical formation, spectral optical analysis, current–voltage characteristics

Acknowledgements:

The research was supported by the Innovation Promotion Fund in the frame of the grant UMNIK-Digital Russia, St. Petersburg—2019 (75GUTSES8-D3/56411).
We express our sincere gratitude to the employees of the Department of Theoretical Principles of Material Science of Saint-Petersburg State Institute of Technology, Sychev Maksim Maksimovich and Myakin Sergey Vladimirovich for the arrangement of scientific research and Sokhovich Evgeniya Vasil’evna for the support, teaching, and knowledge important in both scientific and practical fields.

OCIS codes: 040.5350, 120.4820, 230.0230, 300.0300

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