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Proceedings Paper

Development of laminated nickel/manganese oxide and nickel/niobium oxide electrochromic devices
Author(s): Yan-Ping Ma; Phillip C. Yu; Carl M. Lampert
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Paper Abstract

This paper reports on the preparation, electrical, and optical analysis of electrodes and prototype electrochromic devices using a solid polymer ion conductor. For these devices electrodes were developed consisting of cobalt-doped nickel oxide, manganese-nickel oxide, and niobium oxide. Optical and voltammetric data was obtained for each electrode. Solid polymer electrolytes were synthesized from modified amorphous poly(ethylene oxide) [a-PEO] complexed with a metal silicate. Electrochromic devices were made using cobalt-doped nickel oxide/niobium oxide, and cobalt-doped nickel oxide/manganese-nickel electrode laminations. Optical spectra as a function of voltage was obtained for each device. The best cobalt-doped nickel oxide/a-PEO/manganese-nickel oxide device showed photopic transmittance to be Tp(bleached) equals 0.76 and Tp(colored) equals 0.44. The corresponding integrated solar transmittance was Ts(bleached) equals 0.64, Ts(colored) equals 0.46. The best cobalt- doped nickel oxide/a-PEO/niobium oxide device had photopic transmittance of Tp(bleached) equals 0.65 and Tp(colored) equals 0.16. The corresponding integrated solar transmittance was Ts(bleached) equals 0.45 and Ts(colored) equals 0.15. Of the two devices, the nickel/niobium oxide device had the best combination of electrical and optical properties. Better device properties are expected with improvements in the solid polymer electrolyte and lamination process.

Paper Details

Date Published: 1 December 1991
PDF: 11 pages
Proc. SPIE 1536, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion X, (1 December 1991); doi: 10.1117/12.49216
Show Author Affiliations
Yan-Ping Ma, Lawrence Berkeley Lab. (United States)
Phillip C. Yu, Tufts Univ. (United States)
Carl M. Lampert, Lawrence Berkeley Lab. (United States)


Published in SPIE Proceedings Vol. 1536:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion X
Carl M. Lampert; Claes G. Granqvist, Editor(s)

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