Autonomous light management system for a window and method of controlling light transmission
Abstract
An autonomous light management system for a window includes an electrochromic film stack comprising an electrochromic layer on a first transparent electrode, an ion storage layer on a second transparent electrode, and an electrolyte sandwiched between the ion storage and electrochromic layers. The electrochromic film stack exhibits a transmissive state or an absorptive state depending on charging or discharging of the electrochromic layer. The light management system further comprises an array of power units disposed on a front surface of the electrochromic film stack, where each power unit comprises at least one solar microcell. Collectively, the solar microcells cover an area no greater than about 6% of a total area of the front surface. The array of power units is configured to control the charging and discharging of the electrochromic layer, thereby manipulating light transmission through the electrochromic film stack.
- Inventors:
- Issue Date:
- Research Org.:
- University of Illinois, Urbana-Champaign, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1986786
- Patent Number(s):
- 11493818
- Application Number:
- 17/064,238
- Assignee:
- The Board of Trustees of the University of Illinois (Urbana, IL)
- DOE Contract Number:
- SC0001293; SC0019140
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 10/06/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Yoder, Mikayla A., Potter, Marjorie M., Petronico, Aaron, Lehman, Sean E., and Nuzzo, Ralph G. Autonomous light management system for a window and method of controlling light transmission. United States: N. p., 2022.
Web.
Yoder, Mikayla A., Potter, Marjorie M., Petronico, Aaron, Lehman, Sean E., & Nuzzo, Ralph G. Autonomous light management system for a window and method of controlling light transmission. United States.
Yoder, Mikayla A., Potter, Marjorie M., Petronico, Aaron, Lehman, Sean E., and Nuzzo, Ralph G. Tue .
"Autonomous light management system for a window and method of controlling light transmission". United States. https://www.osti.gov/servlets/purl/1986786.
@article{osti_1986786,
title = {Autonomous light management system for a window and method of controlling light transmission},
author = {Yoder, Mikayla A. and Potter, Marjorie M. and Petronico, Aaron and Lehman, Sean E. and Nuzzo, Ralph G.},
abstractNote = {An autonomous light management system for a window includes an electrochromic film stack comprising an electrochromic layer on a first transparent electrode, an ion storage layer on a second transparent electrode, and an electrolyte sandwiched between the ion storage and electrochromic layers. The electrochromic film stack exhibits a transmissive state or an absorptive state depending on charging or discharging of the electrochromic layer. The light management system further comprises an array of power units disposed on a front surface of the electrochromic film stack, where each power unit comprises at least one solar microcell. Collectively, the solar microcells cover an area no greater than about 6% of a total area of the front surface. The array of power units is configured to control the charging and discharging of the electrochromic layer, thereby manipulating light transmission through the electrochromic film stack.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 08 00:00:00 EST 2022},
month = {Tue Nov 08 00:00:00 EST 2022}
}
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