The effect of electrolytes on the electrochromic performance of nickel-substituted tungstophosphate and TiO<sub>2</sub> nanowire composite films

Liu, Shuping; Su, Xiaowen; Chu, Dongxue; Ma, Chao; Fu, Yu; Qu, Xiaoshu; Lu, Jiahui; Guan, Huanan

doi:10.1039/d1nj00512j

Cited by 3 publications

(1 citation statement)

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“…There is currently a dearth of research on POM-based EESDs. Recently, our research group investigated several high-performance electrochromic energy storage bifunctional composites containing saturated [ 32 ], lacunary [ 33 ], and substituted-type [ 34 ] POMs. In this study, we further developed a POM-based EESD and studied its EC and energy storage performance.…”

Section: Introductionmentioning

confidence: 99%

Sea-Cucumber-like Microstructure Polyoxometalate/TiO2 Nanocomposite Electrode for High-Performance Electrochromic Energy Storage Devices

Zhou

Liu

et al. 2023

Molecules

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The key challenge in the practical application of electrochromic energy storage devices (EESDs) is the fabrication of high-performance electrode materials. Herein, we deposited K7[La(H2O)x(α2-P2W17O61)] (P2W17La) onto TiO2 nanowires (NW) to construct an NW–P2W17La nanocomposite using a layer-by-layer self-assembly method. In contrast to the pure P2W17La films, the nanocomposite exhibits enhanced electrochromic and electrochemical performance owing to the 3D sea-cucumber-like microstructure. An EESD using the NW–P2W17La film as the cathode exhibited outstanding electrochromic and energy storage properties, with high optical modulation (48.6% at 605 nm), high switching speeds (tcoloring = 15 s, tbleaching = 4 s), and high area capacitance (5.72 mF cm−2 at 0.15 mA cm−2). The device can reversibly switch between transparent and dark blue during the charge/discharge process, indicating that electrochromic contrast can be used as a quantitative indicator of the energy storage status.

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Section: Introductionmentioning

confidence: 99%

Sea-Cucumber-like Microstructure Polyoxometalate/TiO2 Nanocomposite Electrode for High-Performance Electrochromic Energy Storage Devices

Zhou

Liu

et al. 2023

Molecules

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Polyoxometalate/poly(3,4-ethylenedioxythiophene) nanocomposites enabling visualization of energy storage status in multicolor electrochromic supercapacitors

Feng,

Liu,

Mao

et al. 2023

Applied Surface Science

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Polyoxometalate/MXene hybrid film with a 3D porous structure for high-performance electrochromic supercapacitors

Chu

Zhang

et al. 2023

Materials Today Chemistry

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The effect of electrolytes on the electrochromic performance of nickel-substituted tungstophosphate and TiO₂ nanowire composite films

Abstract: Polyoxometalates (POMs) with their unique physical and electrochemical nature have been a promising class of electrochromic (EC) properties. Despite extensive research conducted, much effort has been devoted to the enhancement...

Cited by 3 publications

References 47 publications

Sea-Cucumber-like Microstructure Polyoxometalate/TiO2 Nanocomposite Electrode for High-Performance Electrochromic Energy Storage Devices

Sea-Cucumber-like Microstructure Polyoxometalate/TiO2 Nanocomposite Electrode for High-Performance Electrochromic Energy Storage Devices

Polyoxometalate/poly(3,4-ethylenedioxythiophene) nanocomposites enabling visualization of energy storage status in multicolor electrochromic supercapacitors

Polyoxometalate/MXene hybrid film with a 3D porous structure for high-performance electrochromic supercapacitors

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The effect of electrolytes on the electrochromic performance of nickel-substituted tungstophosphate and TiO2 nanowire composite films

Abstract: Polyoxometalates (POMs) with their unique physical and electrochemical nature have been a promising class of electrochromic (EC) properties. Despite extensive research conducted, much effort has been devoted to the enhancement...

Cited by 3 publications

References 47 publications

Sea-Cucumber-like Microstructure Polyoxometalate/TiO2 Nanocomposite Electrode for High-Performance Electrochromic Energy Storage Devices

Sea-Cucumber-like Microstructure Polyoxometalate/TiO2 Nanocomposite Electrode for High-Performance Electrochromic Energy Storage Devices

Polyoxometalate/poly(3,4-ethylenedioxythiophene) nanocomposites enabling visualization of energy storage status in multicolor electrochromic supercapacitors

Polyoxometalate/MXene hybrid film with a 3D porous structure for high-performance electrochromic supercapacitors

Contact Info

Product

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The effect of electrolytes on the electrochromic performance of nickel-substituted tungstophosphate and TiO₂ nanowire composite films