Polymer Inhibitors Enable &gt;900 cm2 Dynamic Windows Based on Reversible Metal Electrodeposition with High Solar Modulation

McGehee, Michael D.; Strand, Michael T.; Hernandez, Tyler S.; Danner, Michael G.; Yeang, Andrew L.; Jarvey, Nathan; Barile, Christopher J.

doi:10.1038/s41560-021-00816-7

Polymer Inhibitors Enable >900 cm2 Dynamic Windows Based on Reversible Metal Electrodeposition with High Solar Modulation

Journal Article · Mon Apr 26 00:00:00 EDT 2021 · Nature Energy

DOI:https://doi.org/10.1038/s41560-021-00816-7· OSTI ID:1785090

McGehee, Michael D.; Strand, Michael T.; Hernandez, Tyler S.; Danner, Michael G.; Yeang, Andrew L.; Jarvey, Nathan; Barile, Christopher J.

Dynamic windows with adjustable tint give users control over the flow of light and heat to decrease the carbon footprint of buildings and improve the occupants’ comfort. Despite the benefits of dynamic windows, they are rarely deployed in buildings because the existing technology cannot achieve fast and colour-neutral tinting at an agreeable cost. Reversible metal electrodeposition is a promising approach to solve these problems. Here, we demonstrate the use of polymer inhibitors to reversibly deposit metal films with controlled morphology in dynamic windows. The windows that employ the polymer inhibitor can readily tint to below 0.001% visible transmittance in less than 3 min and exhibit high infrared reflectance (>70%), colour-neutral transmittance (C*<5) and an ultrawide range of optical and solar modulation (..delta..Tvis=0.76 and ..delta..SHGC=0.56). The polymer inhibitors also increase the efficiency and improve the durability of the windows and enable construction of >900 cm2 dynamic windows with fast response and excellent uniformity.

View Accepted Manuscript (DOE)

Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Building Technologies Office

Grant/Contract Number:: AC36-08GO28308

OSTI ID:: 1785090

Alternate ID(s):: OSTI ID: 1820644

Report Number(s):: NREL/JA-5900-80104; MainId:42307; UUID:0de52147-327e-4356-8b02-0b191d89d4f5; MainAdminID:24513

Journal Information:: Nature Energy, Journal Name: Nature Energy Vol. 6

Country of Publication:: United States

Language:: English

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