Journal of Solid State Electrochemistry

, Volume 22, Issue 8, pp 2579–2586 | Cite as

Dual-functional electrochromic and energy-storage electrodes based on tungsten trioxide nanostructures

  • Xiaoli He
  • Xiaomin LiEmail author
  • Zhijie Bi
  • Yongbo Chen
  • Xiaoke Xu
  • Xiangdong Gao
Original Paper


In this paper, high-performance dual-functional electrodes based on tungsten trioxide (WO3) nanostructures are developed, which successfully realize the combination of electrochromism and energy storage. The WO3 nanostructures with various morphologies (nanospindles, nanopetals, nanosheets, and nanobricks) were prepared via a facile hydrothermal process. It has been found that the WO3 nanosheets possess large surface area and porous architecture, significantly increasing the amount of active sites and facilitating the transport of Li+ ions. As dual-functional electrode, WO3 nanosheets present enhanced electrochemical properties including wide optical modulation (64.5%), fast switching time (6.6/3.8 s), great coloration efficiency (48.9 cm2 C−1), and high areal capacitance (14.9 mF cm−2). Furthermore, the WO3 nanosheets could bridge electrochromic behaviors with energy storage by changing color during the charge/discharge processes. The results demonstrate great potential of WO3 nanosheets for electrochromism and energy storage applications.

Graphical abstract


WO3 nanostructures Dual-functional Electrochromic Energy-storage 


Funding information

This work was supported by the National Key R&D Program of China (Grant No. 2016YFA0201103); the National Natural Science Foundation of China (Grant No. 51572280); and the Foundation of the Shanghai Committee for Science and Technology (Grant No. 15JC1403600).

Supplementary material

10008_2018_3959_MOESM1_ESM.docx (8.4 mb)
ESM 1 (DOCX 8552 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Xiaoli He
    • 1
    • 2
  • Xiaomin Li
    • 1
    Email author
  • Zhijie Bi
    • 1
    • 2
  • Yongbo Chen
    • 1
    • 2
  • Xiaoke Xu
    • 1
    • 3
  • Xiangdong Gao
    • 1
  1. 1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of CeramicsChinese Academy of SciencesShanghaiPeople’s Republic of China
  2. 2.University of Chinese Academy of SciencesBeijingPeople’s Republic of China
  3. 3.School of Materials Science and EngineeringShanghai Institute of TechnologyShanghaiPeople’s Republic of China

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