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学者姓名：蔡平伟
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Abstract ：
In this work, a novel organodiphosphate-containing inorganic-organic hybrid polyoxoniobate (PONb) ring {(PO3CH2CH2PO3H)(4)Nb8O16}(4-) (Nb8P8) has been achieved by a one-pot hydrothermal method. The ring is constructed from a tetragonal {Nb8O36} motif and four {PO3CH2CH2PO3H} ligands. Interestingly, Nb8P8 can be joined together via K-H2O clusters {K-2(H2O)(4)(OH)(2)} to form one-dimensional chains {[K-2(H2O)(4)(OH)(2)]Nb8P8}(n) and further linked by {Cu(en)(2)}(2+) (en = ethylenediamine) complexes, resulting in a three-dimensional supramolecular framework {[Cu(en)(2)](2)[K-2(H2O)(4)(OH)(2)]Nb8P8}3enH2O (1). 1 exhibits good chemical and thermal stability and has a high water vapor adsorption capacity of <= 224 cm(3) g(-1) (22.71 molmol(-1)) at 298 K, outperforming most of the known polyoxometalate-based materials. Impedance measurements prove that 1 can transfer protons with moderate conductivity. This study not only contributes to the structural diversity of organodiphosphate-containing PONbs and PONb rings but also provides a reference for the development of PONb-based materials with unique performance.
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| GB/T 7714 | Cong, Yu-Chen , Xiao, Hui-Ping , Cai, Ping-Wei et al. An Organodiphosphate-Containing Polyoxoniobate Ring and Its Assembly into a Three-Dimensional Framework through Hydrogen Bonding [J]. | INORGANIC CHEMISTRY , 2024 , 63 (20) : 9204-9211 . |
| MLA | Cong, Yu-Chen et al. "An Organodiphosphate-Containing Polyoxoniobate Ring and Its Assembly into a Three-Dimensional Framework through Hydrogen Bonding" . | INORGANIC CHEMISTRY 63 . 20 (2024) : 9204-9211 . |
| APA | Cong, Yu-Chen , Xiao, Hui-Ping , Cai, Ping-Wei , Sun, Cai , Sun, Yan-Qiong , Qi, Ming-Qiang et al. An Organodiphosphate-Containing Polyoxoniobate Ring and Its Assembly into a Three-Dimensional Framework through Hydrogen Bonding . | INORGANIC CHEMISTRY , 2024 , 63 (20) , 9204-9211 . |
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Rechargeable Zn-air batteries (ZABs) are considered highly competitive technologies for meeting the energy demands of the next generation, whether for energy storage or portable power. However, their practical application is hindered by critical challenges such as low voltage, CO2 poisoning at the cathode, low power density, and poor charging efficiency Herein, a rechargeable hybrid alkali/acid Zn-air battery (h-RZAB) that effectively separates the discharge process in an acidic environment from the charging process in an alkaline environment, utilizing oxygen reduction reaction (ORR) and glycerol oxidation reaction (GOR) respectively is reported. Compared to previously reported ZABs, this proof-of-concept device demonstrates impressive performance, exhibiting a high power density of 562.7 mW cm-2 and a high operating voltage during discharging. Moreover, the battery requires a significantly reduced charging voltage due to the concurrent utilization of biomass-derived glycerol, resulting in practical and cost-effective advantages. The decoupled system offers great flexibility for intermittently generated renewable power sources and presents cost advantages over traditional ZABs. As a result, this technology holds significant promise in opening avenues for the future development of renewable energy-compatible electrochemical devices. A rechargeable hybrid Zn-air battery (h-RZAB) is proposed by decoupling charging and discharging processes in separate alkaline and acidic electrolytes. which demonstrates a remarkable power density of 562.7 mW cm-2 and maintains a high operating voltage during discharging. Additionally, the battery requires a significantly reduced charging voltage due to the concurrent utilization of biomass-derived glycerol. image
Keyword ：
alkali/acid electrolytes alkali/acid electrolytes glycerol oxidation reaction glycerol oxidation reaction high power density high power density hybrid Zn-air battery hybrid Zn-air battery reduced charging voltage reduced charging voltage
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| GB/T 7714 | Yin, Ximeng , Sun, Wei , Chen, Kai et al. High-Power-Density Rechargeable Hybrid Alkali/Acid Zn-Air Battery Performance Through Value-Added Conversion Charging [J]. | ADVANCED SCIENCE , 2024 , 11 (23) . |
| MLA | Yin, Ximeng et al. "High-Power-Density Rechargeable Hybrid Alkali/Acid Zn-Air Battery Performance Through Value-Added Conversion Charging" . | ADVANCED SCIENCE 11 . 23 (2024) . |
| APA | Yin, Ximeng , Sun, Wei , Chen, Kai , Lu, Zhiwen , Chen, Junxiang , Cai, Pingwei et al. High-Power-Density Rechargeable Hybrid Alkali/Acid Zn-Air Battery Performance Through Value-Added Conversion Charging . | ADVANCED SCIENCE , 2024 , 11 (23) . |
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Nature seems to favor the formation of closed anion-templated silver clusters. How precisely to create non-closed sliver clusters remains an interesting challenge. In this work, we propose that the use of transition-metal-coordination-cluster substituted polyoxometalates (TMCC-substituted POMs) as templates is an effective synthetic strategy for creating the non-closed silver clusters, as demonstrated by the obtainment of four types of rare non-closed silver cluster species of Ag38-TM (TM = Co, Ni or Zn), Ag37-Zn, {Ag37-Zn}∞ and Ag36-TM (TM = Co, Ni). The idea of the strategy is to employ the TMCC-substituted POMs containing cluster modules with different bond interactions with Ag+ ions as templates to guide the formation of the non-closed silver clusters. For example, TMCC-substituted POM clusters are used as templates in this work, which contain POM modules that can coordinate with the Ag+ ions and TMCC moieties that are difficult to coordinate with the Ag+ ions, leading to the Ag+ ions being unable to form closed clusters around TMCC-substituted POM templates. The work demonstrates a promising approach to developing intriguing and unexplored non-closed silver clusters. © 2024 The Royal Society of Chemistry.
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| GB/T 7714 | Ge, R. , Cai, P.-W. , Sun, C. et al. Development of non-closed silver clusters by transition-metal-coordination-cluster substituted polyoxometalate templates [J]. | Chemical Science , 2024 , 15 (31) : 12543-12549 . |
| MLA | Ge, R. et al. "Development of non-closed silver clusters by transition-metal-coordination-cluster substituted polyoxometalate templates" . | Chemical Science 15 . 31 (2024) : 12543-12549 . |
| APA | Ge, R. , Cai, P.-W. , Sun, C. , Sun, Y.-Q. , Li, X.-X. , Zheng, S.-T. . Development of non-closed silver clusters by transition-metal-coordination-cluster substituted polyoxometalate templates . | Chemical Science , 2024 , 15 (31) , 12543-12549 . |
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Atomically precise low-nuclearity (n<10) silver nanoclusters (AgNCs) have garnered significant interest due to their size-dependent optical properties and diverse applications. However, their synthesis has remained challenging, primarily due to their inherent instability. The present study introduces a new feasible approach for clustering silver ions utilizing highly negative and redox-inert polyoxoniobates (PONbs) as all-inorganic ligands. This strategy not only enables the creation of novel Ag-PONb composite nanoclusters but also facilitates the synthesis of stable low-nuclearity AgNCs. Using this method, we have successfully synthesized a small octanuclear rhombic [Ag-8](6+) AgNC stabilized by six highly negative [LiNb27O75](14-) polyoxoanions. This marks the first PONb-protected superatomic AgNC, designated as {Ag-8@(LiNb27O75)(6)} (Ag-8@Nb-162), with an aesthetically spherical core-shell structure. The crystalline Ag-8@Nb-162 is stable under ambient conditions, What's more, it is water-soluble and able to maintain its molecular cluster structure intact in water. Further, the stable small [Ag-8](6+) AgNC has interesting temperature- and pH-dependent reversible fluorescence response, based on which a multiple optical encryption mode for anti-counterfeit technology was demonstrated. This work offers a promising avenue for the synthesis of fascinating and stable PONb-protected AgNCs and sheds light on the development of new-type optical functional materials.
Keyword ：
fluorescence fluorescence macromolecules macromolecules nanoclusters nanoclusters polyoxoniobate polyoxoniobate silver silver
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| GB/T 7714 | Hong, Li-Hao , Yue, Sheng-Nan , Huang, Xing et al. Development of Stable Water-Soluble Supratomic Silver Clusters Utilizing A Polyoxoniobate-Protected Strategy: Giant Core-Shell-Type Ag8@Nb162 Fluorescent Nanocluster [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (29) . |
| MLA | Hong, Li-Hao et al. "Development of Stable Water-Soluble Supratomic Silver Clusters Utilizing A Polyoxoniobate-Protected Strategy: Giant Core-Shell-Type Ag8@Nb162 Fluorescent Nanocluster" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 63 . 29 (2024) . |
| APA | Hong, Li-Hao , Yue, Sheng-Nan , Huang, Xing , Sun, Cai , Cai, Ping-Wei , Sun, Yan-Qiong et al. Development of Stable Water-Soluble Supratomic Silver Clusters Utilizing A Polyoxoniobate-Protected Strategy: Giant Core-Shell-Type Ag8@Nb162 Fluorescent Nanocluster . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (29) . |
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The development of high-efficient electrocatalysts with low applied voltage and robust stability is of great importance for electrolysis of water. In this work, a bifunctional electrode has been developed by growing palladium-modified FeCoS2 nanosheet arrays on Ni foam (Pd-FeCoS2 NAs/NF), which can serve as anode and cathode for alkaline water splitting with high activities and ultra-strong durability. The Pd-FeCoS2 NAs/NF shows overpotentials of 130 mV for hydrogen evolution reaction (HER) and 202 mV for alkaline oxygen evolution reaction (OER) at 10 mA cm(-2). The alkaline electrolyzer is built by employing Pd-FeCoS2 NAs/NF as cathode and anode, delivering a current density of 50 mA cm(-2) at 1.59 V. Moreover, the electrolyzer can run stably for 600 h with negligible decline.
Keyword ：
alkaline water splitting alkaline water splitting bifunctional electrocatalyst bifunctional electrocatalyst hydrogen evolution reaction hydrogen evolution reaction oxygen evolution reaction oxygen evolution reaction ultra-strong stability ultra-strong stability
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| GB/T 7714 | Wang, Zeen , Pan, Duo , Chen, Kai et al. Palladium Modified FeCoS2 Nanosheet Arrays on Ni Foam as Bifunctional Electrodes for Overall Alkaline Water Splitting [J]. | CHEMISTRYSELECT , 2023 , 8 (10) . |
| MLA | Wang, Zeen et al. "Palladium Modified FeCoS2 Nanosheet Arrays on Ni Foam as Bifunctional Electrodes for Overall Alkaline Water Splitting" . | CHEMISTRYSELECT 8 . 10 (2023) . |
| APA | Wang, Zeen , Pan, Duo , Chen, Kai , Yin, Ximeng , Wang, Jun , Cai, Pingwei et al. Palladium Modified FeCoS2 Nanosheet Arrays on Ni Foam as Bifunctional Electrodes for Overall Alkaline Water Splitting . | CHEMISTRYSELECT , 2023 , 8 (10) . |
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The overall energy efficiency of electrochemical systems is significantly reduced by the conventional anodic oxygen evolution reaction (OER). It is feasible to improve energy efficiency by replacing the OER with the urea oxidation reaction (UOR), which has a lower thermodynamic potential. An organic-inorganic hybrid polyoxoniobate decorated by a Co(iii)-amine complex, Na-4(H2O)(15)[Co(en)(3)](2){[Co(en)(Nb6O19)](2)}.34H(2)O (Co2Nb6, en = ethylenediamine) with distinct physicochemical characteristics and well-defined single-crystal structure is reported. The structure of Co2Nb6 contains Lindqvist {[Co(en)(Nb6O19)](2)}(10-) dimer and free [Co(en)(3)](3+) complexes. Co2Nb6 exhibits remarkable catalytic activity for the UOR after being firmly attached to the surface of acetylene black by polyethyleneimine (PEI). To the best of our knowledge, this is the first instance of performing the electrocatalytic UOR based on Lindqvist polyoxoniobate clusters, which will pave the path for innovative concepts in the development of POM-based electrocatalysts.
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| GB/T 7714 | Li, Da-Huan , Shi, Nian , Wang, Yong-Jiang et al. An organic-inorganic hybrid polyoxoniobate decorated by a Co(III)-amine complex for electrocatalytic urea splitting [J]. | INORGANIC CHEMISTRY FRONTIERS , 2023 , 10 (16) : 4789-4796 . |
| MLA | Li, Da-Huan et al. "An organic-inorganic hybrid polyoxoniobate decorated by a Co(III)-amine complex for electrocatalytic urea splitting" . | INORGANIC CHEMISTRY FRONTIERS 10 . 16 (2023) : 4789-4796 . |
| APA | Li, Da-Huan , Shi, Nian , Wang, Yong-Jiang , Cai, Ping-Wei , Sun, Yan-Qiong , Zheng, Shou-Tian . An organic-inorganic hybrid polyoxoniobate decorated by a Co(III)-amine complex for electrocatalytic urea splitting . | INORGANIC CHEMISTRY FRONTIERS , 2023 , 10 (16) , 4789-4796 . |
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Aqueous zinc-based batteries with high energy density are highly sought after to satisfy the increasing demands on the electrochemical energy device thanks to the advantages of high safety, low cost, and fast kinetics. In this work, a high-performance hybrid Zn-S battery (h-ZnSB) is reported by coupling an alkali Zn anode with an acidic sulfur electrode. To this end, atomic Zn-N-4 dispersed on nitrogen-doped hollow porous carbon (Zn-NHPC) is developed as the host of sulfur that enhances efficiency due to the higher affinity of Zn-N-4 to CuS than N-doped graphene, which can reduce the vulcanization reaction barrier that is too high on N-doped graphene. The hybrid Zn-S battery shows desired electrochemical properties, including a high open-circuit voltage of 1.81 V, high specific capacities of 2250 mAh g(-1) at 1 A g(-1) and 1500 mAh g(-1) at 10 A g(-1), as well as a high energy density of 2372 Wh kg(-1) at 10 A g(-1) based on the total mass of S/C composites. The present work may provide a promising route for the development of high-energy and high-safety aqueous batteries.
Keyword ：
acid electrochemistry acid electrochemistry alkali alkali high energy density high energy density hybrid Zn-S batteries hybrid Zn-S batteries Zn-N-4 Zn-N-4
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| GB/T 7714 | Cai, Pingwei , Sun, Wei , Chen, Junxiang et al. High-Energy Density Aqueous Alkali/Acid Hybrid Zn-S Battery [J]. | ADVANCED ENERGY MATERIALS , 2023 , 13 (28) . |
| MLA | Cai, Pingwei et al. "High-Energy Density Aqueous Alkali/Acid Hybrid Zn-S Battery" . | ADVANCED ENERGY MATERIALS 13 . 28 (2023) . |
| APA | Cai, Pingwei , Sun, Wei , Chen, Junxiang , Chen, Kai , Lu, Zhiwen , Wen, Zhenhai . High-Energy Density Aqueous Alkali/Acid Hybrid Zn-S Battery . | ADVANCED ENERGY MATERIALS , 2023 , 13 (28) . |
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Inspired by the metal-oxo cluster structural feature and charge separation behaviour of the oxygen evolving center (OEC) in photosystem II (PS-II) under photoirradiation, a new crystalline photochromic polyoxomolybdate, MV2[beta-Mo8O26] (1, MV=methyl viologen cation), is designed as a biomimetic oxygen evolution reaction (OER) catalyst in neutral electrolytes. After photoinduced electron transfer (PIET) with colour change from colourless to grey, it remains in an ultra-stable charge-separated state over a year under ambient conditions. The observed overpotential at 10 mA & sdot; cm-2 and Tafel slope decrease by 49 mV and 62.8 mV & sdot; dec-1 after coloration, respectively. The outstanding OER performance of the coloured state in neutral electrolytes even outperforms the commercial RuO2 benchmark. Experimental and theoretical studies show that oxygen holes within polyanions after irradiation serve as sites for enhancing direct O-O coupling, thus effectively promoting OER. This is the first successful application of electron-transfer photochromism to realize OER activity gain. Electron-transfer photochromism is used to enhance the oxygen evolution reaction (OER) activity, providing an innovative design concept for the development of non-precious metal OER catalysts in artificial photosynthesis devices.+image
Keyword ：
Charge-Separated State Charge-Separated State OER OER Photochromism Photochromism Polyoxometalate Polyoxometalate Polyoxomolybdate Polyoxomolybdate
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| GB/T 7714 | Li, Da-Huan , Zhang, Xiao-Yue , Lv, Jiang-Quan et al. Photo-Activating Biomimetic Polyoxomolybdate for Boosting Oxygen Evolution in Neutral Electrolytes [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2023 , 62 (46) . |
| MLA | Li, Da-Huan et al. "Photo-Activating Biomimetic Polyoxomolybdate for Boosting Oxygen Evolution in Neutral Electrolytes" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 62 . 46 (2023) . |
| APA | Li, Da-Huan , Zhang, Xiao-Yue , Lv, Jiang-Quan , Cai, Ping-Wei , Sun, Yan-Qiong , Sun, Cai et al. Photo-Activating Biomimetic Polyoxomolybdate for Boosting Oxygen Evolution in Neutral Electrolytes . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2023 , 62 (46) . |
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A unique heteropolyoxotantalate (hetero-POTa) cluster[P2O7Ta5O14](7-) (P2Ta5) was first developed using pyrophosphateasa key to open the ultrastable skeleton of the classical Lindqvist-type[Ta6O19](8-) precursor. TheP(2)Ta(5) cluster can serve as a general and flexiblesecondary building unit to create a family of brand-new multidimensionalPOTa architectures. This work not only promotes the limited structuraldiversity of hetero-POTa but also provides a practical strategy fornew extended POTa architectures. A uniqueheteropolyoxotantalate (HPOTa) cluster of [P2O7Ta5O14](7-) (P2Ta5) was first developed for the creationof a family of brand-new multidimensional polyoxotantalate (POTa)architectures, providing a practical strategy for new extended POTamaterials.
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| GB/T 7714 | Guan, Yuan , Chen, Huai-Bin , Ge, Rui et al. Development of a New Heteropolyoxotantalate Cluster for Multidimensional Polyoxotantalate Materials [J]. | INORGANIC CHEMISTRY , 2023 , 62 (26) : 10044-10048 . |
| MLA | Guan, Yuan et al. "Development of a New Heteropolyoxotantalate Cluster for Multidimensional Polyoxotantalate Materials" . | INORGANIC CHEMISTRY 62 . 26 (2023) : 10044-10048 . |
| APA | Guan, Yuan , Chen, Huai-Bin , Ge, Rui , Zeng, Qing-Xin , Cai, Ping-Wei , Sun, Cai et al. Development of a New Heteropolyoxotantalate Cluster for Multidimensional Polyoxotantalate Materials . | INORGANIC CHEMISTRY , 2023 , 62 (26) , 10044-10048 . |
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The development of high-efficient electrocatalysts with low applied voltage and robust stability is of great importance for electrolysis of water. In this work, a bifunctional electrode has been developed by growing palladium-modified FeCoS2 nanosheet arrays on Ni foam (Pd-FeCoS2 NAs/NF), which can serve as anode and cathode for alkaline water splitting with high activities and ultra-strong durability. The Pd-FeCoS2 NAs/NF shows overpotentials of 130 mV for hydrogen evolution reaction (HER) and 202 mV for alkaline oxygen evolution reaction (OER) at 10 mA cm(-2). The alkaline electrolyzer is built by employing Pd-FeCoS2 NAs/NF as cathode and anode, delivering a current density of 50 mA cm(-2) at 1.59 V. Moreover, the electrolyzer can run stably for 600 h with negligible decline.
Keyword ：
alkaline water splitting alkaline water splitting bifunctional electrocatalyst bifunctional electrocatalyst hydrogen evolution reaction hydrogen evolution reaction oxygen evolution reaction oxygen evolution reaction ultra-strong stability ultra-strong stability
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| GB/T 7714 | Wang, Zeen , Pan, Duo , Chen, Kai et al. Palladium Modified FeCoS2 Nanosheet Arrays on Ni Foam as Bifunctional Electrodes for Overall Alkaline Water Splitting [J]. | CHEMISTRYSELECT , 2023 , 8 (10) . |
| MLA | Wang, Zeen et al. "Palladium Modified FeCoS2 Nanosheet Arrays on Ni Foam as Bifunctional Electrodes for Overall Alkaline Water Splitting" . | CHEMISTRYSELECT 8 . 10 (2023) . |
| APA | Wang, Zeen , Pan, Duo , Chen, Kai , Yin, Ximeng , Wang, Jun , Cai, Pingwei et al. Palladium Modified FeCoS2 Nanosheet Arrays on Ni Foam as Bifunctional Electrodes for Overall Alkaline Water Splitting . | CHEMISTRYSELECT , 2023 , 8 (10) . |
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