Transmissive E.lectrochromic Device

Junichi Nagai; Tadatoshi Kamimori; Mamoru Mizuhashi

doi:10.1117/12.966286

2 December 1985 Transmissive Electrochromic Device

Junichi Nagai, Tadatoshi Kamimori, Mamoru Mizuhashi

Proceedings Volume 0562, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IV; (1985) https://doi.org/10.1117/12.966286
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

Abstract

This paper describes the fundamental properties of the transmissive electrochromic device. The device comprises of a semi-solid electrolyte and a WO₃ film sandwiched by a pair of electroconductive sheet glasses. The transmittance of the device can be arbitrarily controlled within the range from 80% to 10%. The response time was found to be greatly dependent on the size of device and the applied DC voltage. The life time for the repetitive operations is more than 10⁵ cycles. The devices have fairly good durability against the outdoor conditions. Based on the kinetic study on tungsten bronze and the analysis of equivalent circuit, the effects of the rate determining factors are discussed.

Citation Download Citation

Junichi Nagai, Tadatoshi Kamimori, and Mamoru Mizuhashi "Transmissive Electrochromic Device", Proc. SPIE 0562, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IV, (2 December 1985); https://doi.org/10.1117/12.966286

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