A self-powered electrochromic device driven by a nanogenerator

Xiaohong Yang; Guang Zhu; Sihong Wang; Rui Zhang; Long Lin; Wenzhou Wu; Zhong Lin Wang

doi:10.1039/c2ee23194h

A self-powered electrochromic device driven by a nanogenerator

Xiaohong Yang, Guang Zhu, Sihong Wang, Rui Zhang, Long Lin, Wenzhou Wu, Zhong Lin Wang

Research output: Journal Publication › Article › peer-review

122 Citations (Scopus)

Abstract

Electrochromic (EC) devices are capable of reversibly changing optical properties upon charge injection and extraction driven by an externally applied voltage. A nanogenerator (NG) is a device that converts mechanical energy into electricity. This paper demonstrates a self-powered EC device driven by an NG. An average visible optical modulation (ΔT _vis) as large as 15.3% was obtained, with electrochromic response time (ERT) and coloration efficiency (CE) of 10 seconds and 58.7 cm ² C ^-1, respectively. Such a performance is comparable to an EC when powered by a hardwired DC power. This study indicates that the self-powered electrochromic system can be a candidate for monochrome displays or electronic billboards.

Original language	English
Pages (from-to)	9462-9466
Number of pages	5
Journal	Energy and Environmental Science
Volume	5
Issue number	11
DOIs	https://doi.org/10.1039/c2ee23194h
Publication status	Published - Nov 2012
Externally published	Yes

ASJC Scopus subject areas

Environmental Chemistry
Renewable Energy, Sustainability and the Environment
Nuclear Energy and Engineering
Pollution

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1039/c2ee23194h

Cite this

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abstract = "Electrochromic (EC) devices are capable of reversibly changing optical properties upon charge injection and extraction driven by an externally applied voltage. A nanogenerator (NG) is a device that converts mechanical energy into electricity. This paper demonstrates a self-powered EC device driven by an NG. An average visible optical modulation (ΔT vis) as large as 15.3% was obtained, with electrochromic response time (ERT) and coloration efficiency (CE) of 10 seconds and 58.7 cm 2 C -1, respectively. Such a performance is comparable to an EC when powered by a hardwired DC power. This study indicates that the self-powered electrochromic system can be a candidate for monochrome displays or electronic billboards.",

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AU - Yang, Xiaohong

AU - Zhu, Guang

AU - Wang, Sihong

AU - Zhang, Rui

AU - Lin, Long

AU - Wu, Wenzhou

AU - Wang, Zhong Lin

PY - 2012/11

Y1 - 2012/11

N2 - Electrochromic (EC) devices are capable of reversibly changing optical properties upon charge injection and extraction driven by an externally applied voltage. A nanogenerator (NG) is a device that converts mechanical energy into electricity. This paper demonstrates a self-powered EC device driven by an NG. An average visible optical modulation (ΔT vis) as large as 15.3% was obtained, with electrochromic response time (ERT) and coloration efficiency (CE) of 10 seconds and 58.7 cm 2 C -1, respectively. Such a performance is comparable to an EC when powered by a hardwired DC power. This study indicates that the self-powered electrochromic system can be a candidate for monochrome displays or electronic billboards.

AB - Electrochromic (EC) devices are capable of reversibly changing optical properties upon charge injection and extraction driven by an externally applied voltage. A nanogenerator (NG) is a device that converts mechanical energy into electricity. This paper demonstrates a self-powered EC device driven by an NG. An average visible optical modulation (ΔT vis) as large as 15.3% was obtained, with electrochromic response time (ERT) and coloration efficiency (CE) of 10 seconds and 58.7 cm 2 C -1, respectively. Such a performance is comparable to an EC when powered by a hardwired DC power. This study indicates that the self-powered electrochromic system can be a candidate for monochrome displays or electronic billboards.

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DO - 10.1039/c2ee23194h

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A self-powered electrochromic device driven by a nanogenerator

Abstract

ASJC Scopus subject areas

UN SDGs

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