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Issue 6, 2016
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Perovskite solar cell powered electrochromic batteries for smart windows

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Abstract

We design and construct a new type of solid-state electrochromic batteries powered by perovskite solar cells for smart windows. In addition to optical modulation, this integrated system can exhibit multifunctionality of solar energy harvesting, electrochemical energy storage and reutilization. The solid-state electrochromic batteries are composed of a reduced graphene (rGO)-connected bilayer NiO nanoflake array cathode and a WO3 nanowire array anode. The charge storage and release are accompanied by color changes (between transparent and blue) and relatively fast (2.5–2.6 s) and large optical modulation (up to 62% at the infrared range, 1000–2000 nm). The electrochromic batteries can act as a power source and exhibit a capacity of 75 mA h g−1 at 1 A g−1 and good cycling life.

Graphical abstract: Perovskite solar cell powered electrochromic batteries for smart windows

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Publication details

The article was received on 22 May 2016, accepted on 19 Aug 2016 and first published on 22 Aug 2016


Article type: Communication
DOI: 10.1039/C6MH00159A
Citation: Mater. Horiz., 2016,3, 588-595
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    Perovskite solar cell powered electrochromic batteries for smart windows

    X. Xia, Z. Ku, D. Zhou, Y. Zhong, Y. Zhang, Y. Wang, M. J. Huang, J. Tu and H. J. Fan, Mater. Horiz., 2016, 3, 588
    DOI: 10.1039/C6MH00159A

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