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学者姓名：汪浩
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Abstract ：
Multicolour electrochromic materials have been considered as a promising alternative to achieve dynamic fullcolour tuning towards next-generation electronic display technology. However, the development of electrochromics with wide colour gamut and subtle multicolour tunability still remains challenging due to inflexible energy level structures in intrinsic active materials. Herein, the electrochromic pi-conjugated polymers with rich and subtle colour tunability were designed and developed based on a fine adjustment on the energy level structures. The chromatic transition covers almost full-colour gamut, and each colour scheme has a rich variety of categories stemming from versatile hues, chromas and lightnesses. Moreover, the multicolour pi-conjugated polymers also demonstrate superior overall electrochromic performance, including fast switching (similar to 1.0 s), high colouration efficiency (160.4 cm(2) C- 1@550 nm) and good reversibility (over 90% retention after 10,000 cycles). As a proof of concept, ultrathin and flexible prototype devices are developed by utilizing the multicolour pi-conjugated polymers as electrochromic active layer, exhibiting a wide colour gamut and highly saturated multicolour tunability. The design principles proposed in this work may also be applicable to diverse optoelectronic applications.
Keyword ：
Dynamic multicolour tuning Dynamic multicolour tuning Flexible devices Flexible devices it-conjugated polymers it-conjugated polymers Electrochromic display Electrochromic display
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| GB/T 7714 | Zhuang, Biying , Zhang, Meiyu , Li, Ang et al. Dynamic multicolour tuning in it-conjugated polymers towards flexible electrochromic displays [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 676 : 670-679 . |
| MLA | Zhuang, Biying et al. "Dynamic multicolour tuning in it-conjugated polymers towards flexible electrochromic displays" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 676 (2024) : 670-679 . |
| APA | Zhuang, Biying , Zhang, Meiyu , Li, Ang , Zhang, Qianqian , Liu, Jingbing , Zheng, Zilong et al. Dynamic multicolour tuning in it-conjugated polymers towards flexible electrochromic displays . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 676 , 670-679 . |
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Abstract ：
Lithium metal anodes (LMAs) are ideal anode candidates for achieving next-generation high-energy-density battery systems due to their high theoretical capacity (3680 mA h g-1) and low working potential (-3.04 V versus the standard hydrogen electrode). However, the non-ideal solid electrolyte interface (SEI) derived from electrolyte/electrode interfacial reactions plays a vital role in the lithium deposition/stripping process and battery cycling performance. The composition and morphology of a SEI, which is sensitive to the outside environment, make it difficult to characterize and understand. With the development of characterization techniques, the mechanism, composition, and structure of a SEI can be better understood. In this review, the mechanism formation, the structure model evolution, and the composition of a SEI are briefly presented. Moreover, the development of in situ characterization techniques in recent years is introduced to better understand a SEI followed by the properties of the SEI, which are beneficial to the battery performance. Furthermore, recent optimization strategies of the SEI including the improvement of intrinsic SEIs and construction of artificial SEIs are summarized. Finally, the current challenges and future perspectives of SEI research are summarized. This review summarizes the formation mechanism, structural model, composition, in situ/operando characterization, properties, and optimization strategies of a SEI.
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| GB/T 7714 | Wu, Yue , Wang, Ce , Wang, Chengjie et al. Recent progress in SEI engineering for boosting Li metal anodes [J]. | MATERIALS HORIZONS , 2023 , 11 (2) : 388-407 . |
| MLA | Wu, Yue et al. "Recent progress in SEI engineering for boosting Li metal anodes" . | MATERIALS HORIZONS 11 . 2 (2023) : 388-407 . |
| APA | Wu, Yue , Wang, Ce , Wang, Chengjie , Zhang, Yan , Liu, Jingbing , Jin, Yuhong et al. Recent progress in SEI engineering for boosting Li metal anodes . | MATERIALS HORIZONS , 2023 , 11 (2) , 388-407 . |
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Abstract ：
Zinc-air batteries (ZABs) are regarded as attractive devices for electrochemical energy storage and conversion due to their outstanding electrochemical performance, low price, and high safety. However, it remains a chal-lenge to design a stable and efficient bifunctional oxygen catalyst that can accelerate the reaction kinetics and improve the performance of ZABs. Herein, a phosphorus-doped transition metal selenide/carbon com-posite catalyst derived from metal-organic frameworks (P-CoSe2/C@CC) is constructed by a self-supporting carbon cloth structure through a simple solvothermal process with subsequent selenization and phosphati-zation. The P-CoSe2/C@CC exhibits a low overpotential of 303.1 mV at 10 mA cm-2 toward the oxygen evo-lution reaction and an obvious reduction peak for the oxygen reduction reaction. The abovementioned electrochemical performances for the P-CoSe2/C@CC are attributed to the specific architecture, the super-hydrophilic surface, and the P-doping effect. Remarkably, the homemade zinc-air battery based on our P-CoSe2/C@CC catalyst shows an expected peak power density of 124.4 mW cm-2 along with excellent cycling stability, confirming its great potential application in ZABs for advanced bifunctional electrocatalysis.(c) 2022 Elsevier Inc. All rights reserved.
Keyword ：
Zinc-air battery Zinc-air battery Phosphorus doping Phosphorus doping Bifunctional oxygen catalyst Bifunctional oxygen catalyst Metal-organic frameworks Metal-organic frameworks Cobalt selenide Cobalt selenide
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| GB/T 7714 | Mi, Hongtian , Li, Leyuan , Zeng, Chuitao et al. Cuboid-like phosphorus-doped metal-organic framework-derived CoSe2 on carbon cloth as an advanced bifunctional oxygen electrocatalyst for rechargeable zinc-air batteries [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2023 , 633 : 424-431 . |
| MLA | Mi, Hongtian et al. "Cuboid-like phosphorus-doped metal-organic framework-derived CoSe2 on carbon cloth as an advanced bifunctional oxygen electrocatalyst for rechargeable zinc-air batteries" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 633 (2023) : 424-431 . |
| APA | Mi, Hongtian , Li, Leyuan , Zeng, Chuitao , Jin, Yuhong , Zhang, Qianqian , Zhou, Kailing et al. Cuboid-like phosphorus-doped metal-organic framework-derived CoSe2 on carbon cloth as an advanced bifunctional oxygen electrocatalyst for rechargeable zinc-air batteries . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2023 , 633 , 424-431 . |
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Abstract ：
Electrochromic (EC) batteries realize the visualization of the energy level by naked eye and exhibit great potential in various applications including smart windows and wearable electronics. However, limited by the unstable electrolyte and the lack of matching EC electrodes, EC batteries with high working voltage window and energy density still remain a remarkable challenge. Herein, a highly transparent ion-conducting film (ICF) is employed to develop a rechargeable EC battery. The ICF exhibits extremely high optical transparency (over 85% in visible range) and ionic conductivity (sigma = 0.46 mS cm(-1)). In addition, we fabricated a complementary electrochromic battery (ICF-ECB) based on ICF by assembling the spinel Li4Ti5O12 (LTO) as the EC layer and LiMn2O4 (LMO) as a matching counter electrode. Benefiting from the electrochemically stable ICF and battery-type electrochromic materials, the ICF-ECB delivers a high energy storage performance with an operating voltage of 3.0 V and stable discharging platform at 2.5 V. Impressively, the ICF-ECB demonstrates a high areal power/energy density (2.2 W m(-2), 0.14 W h m(-2)) and excellent cycling stability with 61.2% of its initial optical modulation after 200 cycles. Moreover, the resultant ICF-ECB exhibits an obvious and reversible color transition between yellowish-brown (discharge state) and dark blue (charged state), which endows the capacity of sufficient real-time information on the energy level and work status of the device. It is envisioned that the use of ICF to fabricate the multifunctional EC batteries provides new approach to develop intelligent electronic devices.
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| GB/T 7714 | Li, Wanzhong , Bai, Ting , Zhang, Qianqian et al. A highly transparent ion conducting film enabling a visual electrochromic battery [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2023 , 11 (23) : 7740-7749 . |
| MLA | Li, Wanzhong et al. "A highly transparent ion conducting film enabling a visual electrochromic battery" . | JOURNAL OF MATERIALS CHEMISTRY C 11 . 23 (2023) : 7740-7749 . |
| APA | Li, Wanzhong , Bai, Ting , Zhang, Qianqian , Liu, Jingbing , Zhou, Kailing , Wang, Hao . A highly transparent ion conducting film enabling a visual electrochromic battery . | JOURNAL OF MATERIALS CHEMISTRY C , 2023 , 11 (23) , 7740-7749 . |
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Abstract ：
Lithium metal has been considered a promising anode material for lithium secondary batteries due to its low intercalation potential and high specific capacity. Nevertheless, the application of Li metal anodes on a large scale is still hampered by safety issues caused by the growth of uncontrollable Li dendrites during the repeated cycling process. From the viewpoint of the dendrite nucleation mechanism, constructing a negatively charged separator (NCS) to immobilize the anion within the electrolyte can suppress the free transport of the anion, which can prolong the formation of the space charge region. Thus, it can achieve the purpose of inhibiting lithium dendrite nucleation. Herein, based on polyvinylidene fluoride (PVDF) polymers, C-F groups with high-electronegativity in their molecular chains can immobilize anions in the electrolyte (PF6- ions) based on a strong bonding force. Furthermore, the as-prepared NCS displays a high porosity with an interconnected porous structure that facilitates ion transport, thus enabling selective and fast Li+ transport. The NCS constructed in this work exhibits a high Li+ conductivity of 0.37 mS cm(-1). As a result, Li/Li symmetric batteries with the NCS can achieve a long-term stable cycling of 2000 h at a high current density of 2 mA cm(-2). In addition, a full LiFePO4/Li cell assembled using the NCS shows excellent rate capability and cycle stability. This work is expected to contribute to the development of dendrite-free lithium metal batteries through the construction of a NCS to regulate ion transport.
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| GB/T 7714 | Hu, Yating , Wang, Chengjie , Wu, Yue et al. Negatively charged separators facilitating lithium-ion conduction to stabilize lithium metal anodes [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2023 , 11 (23) : 12052-12061 . |
| MLA | Hu, Yating et al. "Negatively charged separators facilitating lithium-ion conduction to stabilize lithium metal anodes" . | JOURNAL OF MATERIALS CHEMISTRY A 11 . 23 (2023) : 12052-12061 . |
| APA | Hu, Yating , Wang, Chengjie , Wu, Yue , Zhao, Qing , Li, Ang , Zhang, Qianqian et al. Negatively charged separators facilitating lithium-ion conduction to stabilize lithium metal anodes . | JOURNAL OF MATERIALS CHEMISTRY A , 2023 , 11 (23) , 12052-12061 . |
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Abstract ：
Electrochromic technology has made great progress and shown potential applications in various fields, such as green buildings, smart displays, and military camouflage. In recent years, wearable electrochromic devices (WECD) have received increasing attention for their smart and portable application prospects. Compared with conventional rigid devices, WECDs face more challenges in configuration and assembly. Therefore, this paper provides a comprehensive explanation of WECD, first introduces its core components, and then their flexible features. Then, the latest progress and advances in WECD construction are summarized in detail according to different structural forms. Some key properties of different structural forms are introduced and compared, and the advantages and disadvantages of each of their structures are presented. Finally, some of the present-day challenges and outlooks in WECD fabrication and operation are discussed to provide new insights for developing electrochromic devices for applications in smart wearable and flexible electronics.
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| GB/T 7714 | Fu, Guoxing , Gong, Hui , Bai, Ting et al. Progress and challenges in wearable electrochromic devices: a review [J]. | JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS , 2023 , 34 (16) . |
| MLA | Fu, Guoxing et al. "Progress and challenges in wearable electrochromic devices: a review" . | JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 34 . 16 (2023) . |
| APA | Fu, Guoxing , Gong, Hui , Bai, Ting , Zhang, Qianqian , Wang, Hao . Progress and challenges in wearable electrochromic devices: a review . | JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS , 2023 , 34 (16) . |
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Abstract ：
The development of the real-time evaluation for the catalytic hydrogen evolution perfor-mance under a simple and convinient condiction is urgently needed, but still a great challenge. Herein, a platinum modulated WOxon Ag nanowires (Pt-WOx@Ag NWs) is developed as an optical-electrochemical catalyst to realize an in-situ intuitive evaluation for the hydrogen evolution performance, in which the color of as-prepared Pt-WOx@Ag NWs catalyst changes from the transparent to the deep blue with the increase of the applied potential. The real-time H2 evolution with an H2 turnover frequency (from 0 to 2.26 s-1 per site), optical transmittance (from 80.3% to 48.7% at the wavelength of 630 nm) and energy consumption (from 0 to 0.74 W h in 1 h) is established. The charge transfer and mass transport are greatly promoted by the three demensional Ag NWs conductive network and abundant active sites, which are provided by the platinum modulated WO3 on the Ag substrate. Density functional theory (DFT) calculations indicate that the modified WOxshows the preferred adsorption affinity toward H2O (DGH2O,-0.17 eV), which reach a high coloration efficiency and optical modulation range for the electrochromic reaction. The Pt sites on WOxwith a suitable H binding energy (DGH*, 0.38 eV) efficiently promote the H* conversion and H2 release of water splitting. This work propose an intelligent hydrogen evolution indicator by real-time color change to boost the high-quality development of green hydrogen energy.(c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Keyword ：
Hydrogen evolution reaction Hydrogen evolution reaction Visualization Visualization Tungsten oxide Tungsten oxide Electrochromism Electrochromism Electrocatalysis Electrocatalysis
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| GB/T 7714 | Zeng, ChuiTao , Zhou, KaiLing , Jin, Yuhong et al. A platinum modulated tungsten oxide on Ag nanowires network as an indicator for in-situ visualized evaluation of the hydrogen evolution performance [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (9) : 3364-3372 . |
| MLA | Zeng, ChuiTao et al. "A platinum modulated tungsten oxide on Ag nanowires network as an indicator for in-situ visualized evaluation of the hydrogen evolution performance" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 48 . 9 (2023) : 3364-3372 . |
| APA | Zeng, ChuiTao , Zhou, KaiLing , Jin, Yuhong , Zhang, Qianqian , Han, ChangBao , Liu, Jingbing et al. A platinum modulated tungsten oxide on Ag nanowires network as an indicator for in-situ visualized evaluation of the hydrogen evolution performance . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (9) , 3364-3372 . |
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Abstract ：
The designed growth of titanium dioxide (TiO2)/poly(3,4-ethylenedioxythiophene) (PEDOT) nanorod arrays has been achieved by the combination of hydrothermal and electrodeposition methods. Due to the use of one-dimensional (1D) TiO2 nanorod arrays as the template of the nanocomposites (TiO2/PEDOT), the surface area of the active materials is enlarged and the diffusion distance of the ions is shortened. The nanorod structure also contributes to increasing the length of PEDOT conjugated chains and facilitates the transfer of electrons in the conjugated chains. Consequently, the TiO2/PEDOT film delivers a shorter response time (similar to 0.5 s), higher transmittance contrast (similar to 55.5%) and long-cycle stability compared to the pure PEDOT film. In addition, the TiO2/PEDOT electrode is further developed to be a smart bi-functional electrochromic device exhibiting energy storage performance. We expect that this work may lead to new designs for powerful intelligent electrochromic energy storage devices.
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| GB/T 7714 | Zhuang, Biying , Zhang, Qianqian , Zhou, Kailing et al. Preparation of a TiO2/PEDOT nanorod film with enhanced electrochromic properties [J]. | RSC ADVANCES , 2023 , 13 (27) : 18229-18237 . |
| MLA | Zhuang, Biying et al. "Preparation of a TiO2/PEDOT nanorod film with enhanced electrochromic properties" . | RSC ADVANCES 13 . 27 (2023) : 18229-18237 . |
| APA | Zhuang, Biying , Zhang, Qianqian , Zhou, Kailing , Wang, Hao . Preparation of a TiO2/PEDOT nanorod film with enhanced electrochromic properties . | RSC ADVANCES , 2023 , 13 (27) , 18229-18237 . |
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Abstract ：
Homogeneous ion transport during Li+ plating/stripping plays a significant role in the stability of Li metal anodes (LMAs) and the electrochemical performance of Li metal batteries (LMBs). Controlled ion transport with uniform Li+ distribution is expected to suppress notorious Li dendrite growth while stabilizing the susceptible solid electrolyte interfacial (SEI) film and optimizing the electrochemical stability. Here, we are committed to rendering a comprehensive study of Li+ transport during the Li plating/stripping process related to the interactions between the Li dendrites and SEI film. Moreover, rational ion modulation strategies based on functional separators, artificial SEI films, solid-state electrolytes and structured anodes are introduced to homogenize Li+ flux and stabilize the lithium metal surface. Finally, the current issues and potential opportunities for ion transport regulation to boost the high energy density of LMBs are described.
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| GB/T 7714 | Wang, Ce , Zhu, Jiahao , Jin, Yuhong et al. Ion modulation engineering toward stable lithium metal anodes [J]. | MATERIALS HORIZONS , 2023 , 10 (9) : 3218-3236 . |
| MLA | Wang, Ce et al. "Ion modulation engineering toward stable lithium metal anodes" . | MATERIALS HORIZONS 10 . 9 (2023) : 3218-3236 . |
| APA | Wang, Ce , Zhu, Jiahao , Jin, Yuhong , Liu, Jingbing , Wang, Hao , Zhang, Qianqian . Ion modulation engineering toward stable lithium metal anodes . | MATERIALS HORIZONS , 2023 , 10 (9) , 3218-3236 . |
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Abstract ：
Flexible electrochromic devices (ECDs) have generated widespread interest due to their attractive application prospects in emerging wearable and portable electronics, electronic papers/billboards, and other advanced display applications. However, the lack of rational design for flexible electrochromic devices with both high flexibility and ultrathin nature remains a challenge, limiting its development toward practical applications. Herein, a flexible and ultrathin ion-conducting film (ICF) is proposed by combining poly(vinylidene fluoride) polymer matrix with electrolyte to assemble into multicolor electrochromic devices. As a result, the as-obtained ICF exhibits extremely high visible-range transmittance of over 90%, ionic conductivity of 0.11 mS cm(-1) at room temperature, large electrochemical window (3.55 V), and excellent mechanical flexibility, making it an excellent candidate for the electrochromic applications. By taking advantage of the ion-conducting film, the fabricated ICF-based electrochromic device based on polyaniline (PANI) electrode exhibits reversible color transformations from chartreuse to green and dark blue, as well as ultrathin characteristics, excellent flexibility, and strong mechanical stability, superior to the behavior of the ECDs fabricated with traditional gel electrolytes. The electrochromic behavior in the PANI during the electrochemical process is comprehensively studied by density functional theory (DFT) calculations. In addition, the device also shows an effective electrochromism with multicolor properties at a wide temperature range (-10 to 60 degrees C). This work provides a feasible way for assembling high-performance flexible ECDs for potential applications in multicolor displays and wearable electronics.
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| GB/T 7714 | Gong, Hui , Li, Ang , Fu, Guoxing et al. Ultrathin flexible electrochromic devices enabled by highly transparent ion-conducting films [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2023 , 11 (16) : 8939-8949 . |
| MLA | Gong, Hui et al. "Ultrathin flexible electrochromic devices enabled by highly transparent ion-conducting films" . | JOURNAL OF MATERIALS CHEMISTRY A 11 . 16 (2023) : 8939-8949 . |
| APA | Gong, Hui , Li, Ang , Fu, Guoxing , Zhang, Meiyu , Zheng, Zilong , Zhang, Qianqian et al. Ultrathin flexible electrochromic devices enabled by highly transparent ion-conducting films . | JOURNAL OF MATERIALS CHEMISTRY A , 2023 , 11 (16) , 8939-8949 . |
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