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学者姓名：郑云
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Abstract ：
Introducing advanced conductive nanoparticles to combine with metal-organic frameworks (MOFs) as electrode is emergingly regarded as a practical and efficient approach to improve the capacitive performance of super- capacitors. Herein, a new MOF (ZrNi-UiO-66, Nickel-zirconium 1,4-dicarboxybenzene) is designed to combine with carbon quantum dots (CQDs) to form a composite electrode with high specific capacitance, in which the charge regulation is performed to facilitate the electronic conduction and transfer. Such constructed electrode delivers an enhanced electronic conductivity and an improved specific capacitance of 2468.75 F g- 1 @ 1 A g- 1 , which is four times of the contrast sample. Meanwhile, the assembled hybrid supercapacitor exhibits an increased energy density and power density, as well as a sustainable stability after 10,000 cycles with a retention rate of 91.6 %. Basing on the study of advanced characterizations and density functional theory (DFT) simulation, the mechanism of significantly improved specific capacitance can be elaborated as the promote electronic conduction caused from narrowed band gap from 3.9 eV or 0.41 eV-0.23 eV, and the increased charge accumulation at the Ni sites in designed MOFs. This work provides new insights for the design and construction of potential energy storage materials based on MOFs and/or advanced carbon-based materials.
Keyword ：
Carbon quantum dots (CQDs) Carbon quantum dots (CQDs) Charge regulation Charge regulation Specific capacitance Specific capacitance Supercapacitor Supercapacitor ZrNi-UiO-66 ZrNi-UiO-66
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| GB/T 7714 | Xie, Yujuan , Han, Jinghua , Li, Fengchao et al. Charge regulation for advanced electrode combining ZrNi-UiO-66 and carbon quantum dots towards high specific capacitance [J]. | JOURNAL OF POWER SOURCES , 2025 , 629 . |
| MLA | Xie, Yujuan et al. "Charge regulation for advanced electrode combining ZrNi-UiO-66 and carbon quantum dots towards high specific capacitance" . | JOURNAL OF POWER SOURCES 629 (2025) . |
| APA | Xie, Yujuan , Han, Jinghua , Li, Fengchao , Li, Lingfei , Li, Zhenghao , Li, Qian et al. Charge regulation for advanced electrode combining ZrNi-UiO-66 and carbon quantum dots towards high specific capacitance . | JOURNAL OF POWER SOURCES , 2025 , 629 . |
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| GB/T 7714 | Zheng, Yun , Yu, Bo , Fu, Xiaogang et al. Special issue on electrochemical conversion and utilization of hydrogen energy [J]. | FRONTIERS IN ENERGY , 2024 , 18 (3) : 263-264 . |
| MLA | Zheng, Yun et al. "Special issue on electrochemical conversion and utilization of hydrogen energy" . | FRONTIERS IN ENERGY 18 . 3 (2024) : 263-264 . |
| APA | Zheng, Yun , Yu, Bo , Fu, Xiaogang , Zhang, Jiujun . Special issue on electrochemical conversion and utilization of hydrogen energy . | FRONTIERS IN ENERGY , 2024 , 18 (3) , 263-264 . |
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Electrocatalytic oxidation as a promising route to produce value-added products from biomass-derived organics has received increasing attention in recent years. However, the efficient conversion of concentrated feedstock solutions with high selectivity and Faradaic efficiency (FE) remains challenging. Herein, we report a cation-defective Ni-based electrocatalyst derived from the surface reconstruction of the NiCo Prussian blue analogue (NiCo PBA) in alkaline media for the efficient oxidation of biomass-derived organics in a high concentration solution. Taking 5-hydroxymethylfurfural (HMF) as an example, the NiCo PBA can deliver a satisfactory catalytic performance in terms of high HMF conversion (97%), selectivity to 2,5-furandicarboxylic acid (98%), and FE (100%), even at a concentration as high as 100 mM. Theoretical calculations suggest that the cation defects not only promote the fast conversion of Ni(OH)(2) to electrochemically active NiOOH under anodic potential but also enhance the adsorption of HMF onto the active sites and accelerate the spontaneous chemical oxidation. This study provides deep insights into the structural evolution of PBA-based catalysts and reveals the pivotal factor that affects the performance of electrocatalytic oxidation, paving the way to further develop advanced electrocatalysts for efficient oxidation reactions with a high concentration.
Keyword ：
biomass upgrade biomass upgrade cation defects cation defects electrooxidation electrooxidation operandoRaman spectroscopies operandoRaman spectroscopies Prussian blue analogues catalysts Prussian blue analogues catalysts
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| GB/T 7714 | Zhang, Hongwei , Yang, Qin , Luo, Shuting et al. On the Activity and Selectivity of 5-Hydroxymethylfurfural Electrocatalytic Oxidation over Cation-Defective Nickel Hydroxides [J]. | ACS CATALYSIS , 2024 , 14 (12) : 9565-9574 . |
| MLA | Zhang, Hongwei et al. "On the Activity and Selectivity of 5-Hydroxymethylfurfural Electrocatalytic Oxidation over Cation-Defective Nickel Hydroxides" . | ACS CATALYSIS 14 . 12 (2024) : 9565-9574 . |
| APA | Zhang, Hongwei , Yang, Qin , Luo, Shuting , Liu, Zhichen , Huang, Jinming , Zheng, Yun et al. On the Activity and Selectivity of 5-Hydroxymethylfurfural Electrocatalytic Oxidation over Cation-Defective Nickel Hydroxides . | ACS CATALYSIS , 2024 , 14 (12) , 9565-9574 . |
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Lithium metal batteries (LMBs) are considered as one type of the most promising next-generation energy storage devices with high-energy-density, and stabilizing the lithium metal anodes (LMAs) to overcome LMBs' safety concerns and performance degradation has attracted extensive attention. Introducing advanced polymer materials into the critical components of LMBs has proven to be an effective and promising approach for stabilizing LMAs toward practical application of LMBs. In addressing the lack of a timely review on the emerging progress of advanced polymer materials in LMBs for stabilizing LMAs, a comprehensive article summarizing the most recent developments of multiscale cellulose materials, including micron cellulose (MC) and nanocellulose (NC), in LMBs is reviewed. First, the basic structures of cellulose, characteristics comparison, and the development history of introducing cellulose into LMBs are presented. Furthermore, the roles of multiscale cellulose materials and functional mechanisms in various components of LMBs for stabilizing LMAs are summarized. A general conclusion and a perspective on the current limitations and future research directions of cellulose-based stable LMBs are proposed. The aim of this review is not only to summarize the recent progress of multiscale cellulose materials in stabilizing LMAs but also to lighten the pathways for realizing LMBs' practical application. This review aims to provide an in-depth summary of the roles of multiscale cellulose materials (i.e., micron cellulose (MC) and nanocellulose (NC)) in various components of lithium-metal batteries (LMBs), including separators, electrolytes, interfaces, and anode current collectors. Additionally, a general conclusion and a perspective on the current limitations and future research directions of cellulose-based stable LMBs are proposed. image
Keyword ：
advanced polymer materials advanced polymer materials lithium metal batteries lithium metal batteries micron cellulose micron cellulose nanocellulose nanocellulose stabilizing lithium metal anodes stabilizing lithium metal anodes
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| GB/T 7714 | Li, Zhenghao , Zheng, Yun , Liao, Can et al. Advanced Polymer Materials for Protecting Lithium Metal Anodes of Liquid-State and Solid-State Lithium Batteries [J]. | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (42) . |
| MLA | Li, Zhenghao et al. "Advanced Polymer Materials for Protecting Lithium Metal Anodes of Liquid-State and Solid-State Lithium Batteries" . | ADVANCED FUNCTIONAL MATERIALS 34 . 42 (2024) . |
| APA | Li, Zhenghao , Zheng, Yun , Liao, Can , Duan, Song , Liu, Xiang , Chen, Guohui et al. Advanced Polymer Materials for Protecting Lithium Metal Anodes of Liquid-State and Solid-State Lithium Batteries . | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (42) . |
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| GB/T 7714 | Zheng, Yun , Zhang, Gaixia , Deng, Sixu et al. Special issue on electrochemical energy storage and conversion [J]. | FRONTIERS IN ENERGY , 2024 , 18 (2) : 125-127 . |
| MLA | Zheng, Yun et al. "Special issue on electrochemical energy storage and conversion" . | FRONTIERS IN ENERGY 18 . 2 (2024) : 125-127 . |
| APA | Zheng, Yun , Zhang, Gaixia , Deng, Sixu , Zhang, Jiujun . Special issue on electrochemical energy storage and conversion . | FRONTIERS IN ENERGY , 2024 , 18 (2) , 125-127 . |
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Proton exchange membrane fuel cells (PEMFCs) are playing irreplaceable roles in the construction of the future sustainable energy system. However, the insufficient performance of platinum (Pt)-based electrocatalysts for oxygen reduction reaction (ORR) hinders the overall efficiency of PEMFCs. Engineering the surface strain of catalysts is considered an effective way to tune their electronic structures and therefore optimize catalytic behavior. In this paper, insights into strain engineering for improving Pt-based catalysts toward ORR are elaborated in detail. First, recent advances in understanding the strain effects on ORR catalysts are comprehensively discussed. Then, strain engineering methodologies for adjusting Pt-based catalysts are comprehensively discussed. Finally, further information on the various challenges and potential prospects for strain modulation of Pt-based catalysts is provided.
Keyword ：
catalytic performance catalytic performance oxygen reduction reaction (ORR) oxygen reduction reaction (ORR) proton exchange membrane fuel cells (PEMFCs) proton exchange membrane fuel cells (PEMFCs) Pt-based catalysts Pt-based catalysts strain engineering strain engineering
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| GB/T 7714 | Wang, Zeyu , Liu, Yanru , Chen, Shun et al. Strain engineering of Pt-based electrocatalysts for oxygen reaction reduction [J]. | FRONTIERS IN ENERGY , 2024 , 18 (2) : 241-262 . |
| MLA | Wang, Zeyu et al. "Strain engineering of Pt-based electrocatalysts for oxygen reaction reduction" . | FRONTIERS IN ENERGY 18 . 2 (2024) : 241-262 . |
| APA | Wang, Zeyu , Liu, Yanru , Chen, Shun , Zheng, Yun , Fu, Xiaogang , Zhang, Yan et al. Strain engineering of Pt-based electrocatalysts for oxygen reaction reduction . | FRONTIERS IN ENERGY , 2024 , 18 (2) , 241-262 . |
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Hydrogen energy serves as an ideal alternative energy carrier to fossil fuels in the future clean energy system. The hydrogen evolution reaction (HER) occurring at the cathode of water electrocatalysis has been considered as a promising approach to produce hydrogen over the past decades due to zero carbon emission. To gain a deep insight into the advanced electrocatalyst, herein, we provide a comprehensive review with an emphasis on the recent state-of-the-art advances of HER electrocatalysts in view of controlling their local electronic structure, creating defect nanostructures, exposing active sites, altering d band center, and constructing heterogeneous structure. Initially, we start with a brief introduction of the fundamental electrocatalytic mechanisms and the critical electrochemical parameters for evaluating HER. Then, we systemically discuss three representative classes of electrocatalysts, comprised of highly active noble-metal including single atom, nanoparticles, and clusters, earth-abundant transition metal such as transition metal sulfides, phosphides, carbides, nitrides, and oxides, and metal-free functional nanomaterials involving different dimensions of carbonaceous nanomaterials, boron nitrogen, and phosphorous non-carbonaceous nanomaterials by adjusting their tunable electronic structures and architectures/morphologies with a particular emphasis on the structure-function relationships. Finally, we point out the current challenges and opportunities in view of achieving highly active and stable electrocatalysts towards practical applications.
Keyword ：
Hydrogen evolution reaction Hydrogen evolution reaction Metal-free electrocatalysts Metal-free electrocatalysts Noble metal-based electrocatalysts Noble metal-based electrocatalysts Transitional metal electrocatalysts Transitional metal electrocatalysts
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| GB/T 7714 | Wang, Chunxia , Guo, Wenxuan , Chen, Tianle et al. Advanced noble-metal/transition-metal/metal-free electrocatalysts for hydrogen evolution reaction in water-electrolysis for hydrogen production [J]. | COORDINATION CHEMISTRY REVIEWS , 2024 , 514 . |
| MLA | Wang, Chunxia et al. "Advanced noble-metal/transition-metal/metal-free electrocatalysts for hydrogen evolution reaction in water-electrolysis for hydrogen production" . | COORDINATION CHEMISTRY REVIEWS 514 (2024) . |
| APA | Wang, Chunxia , Guo, Wenxuan , Chen, Tianle , Lu, Wenyi , Song, Zhaoyi , Yan, Chengcheng et al. Advanced noble-metal/transition-metal/metal-free electrocatalysts for hydrogen evolution reaction in water-electrolysis for hydrogen production . | COORDINATION CHEMISTRY REVIEWS , 2024 , 514 . |
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The electrochemistry of cathode materials for sodium-ion batteries differs significantly from lithium-ion batteries and offers distinct advantages. Overall, the progress of commercializing sodium-ion batteries is currently impeded by the inherent inefficiencies exhibited by these cathode materials, which include insufficient conductivity, slow kinetics, and substantial volume changes throughout the process of intercalation and deintercalation cycles. Consequently, numerous methodologies have been utilized to tackle these challenges, encompassing structural modulation, surface modification, and elemental doping. This paper aims to highlight fundamental principles and strategies for the development of sodium transition metal oxide cathodes. Specifically, it emphasizes the role of various elemental doping techniques in initiating anionic redox reactions, improving cathode stability, and enhancing the operational voltage of these cathodes, aiming to provide readers with novel perspectives on the design of sodium metal oxide cathodes through the doping approach, as well as address the current obstacles that can be overcome/alleviated through these dopant strategies.
Keyword ：
doping strategy doping strategy sodium-ion batteries sodium-ion batteries transition metal cathode transition metal cathode
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| GB/T 7714 | Zhang, Zhijing , Zhang, Haoze , Wu, Yaopeng et al. Advances in doping strategies for sodium transition metal oxides cathodes: A review [J]. | FRONTIERS IN ENERGY , 2024 . |
| MLA | Zhang, Zhijing et al. "Advances in doping strategies for sodium transition metal oxides cathodes: A review" . | FRONTIERS IN ENERGY (2024) . |
| APA | Zhang, Zhijing , Zhang, Haoze , Wu, Yaopeng , Yan, Wei , Zhang, Jiujun , Zheng, Yun et al. Advances in doping strategies for sodium transition metal oxides cathodes: A review . | FRONTIERS IN ENERGY , 2024 . |
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The poor ambient ionic transport properties of poly(ethylene oxide) (PEO)-based SPEs can be greatly improved through filler introduction. Metal fluorides are effective in promoting the dissociation of lithium salts via the establishment of the Li-F bond. However, too strong Li-F interaction would impair the fast migration of lithium ions. Herein, magnesium aluminum fluoride (MAF) fillers are developed. Experimental and simulation results reveal that the Li-F bond strength could be readily altered by changing fluorine vacancy (VF) concentration in the MAF, and lithium salt anions can also be well immobilized, which realizes a balance between the dissociation degree of lithium salts and fast transport of lithium ions. Consequently, the Li symmetric cells cycle stably for more than 1400 h at 0.1 mA cm-2 with a LiF/Li3N-rich solid electrolyte interphase (SEI). The SPE exhibits a high ionic conductivity (0.5 mS cm-1) and large lithium-ion transference number (0.4), as well as high mechanical strength owing to the hydrogen bonding between MAF and PEO. The corresponding Li//LiFePO4 cells deliver a high discharge capacity of 160.1 mAh g-1 at 1 C and excellent cycling stability with 100.2 mAh g-1 retaining after 1000 cycles. The as-assembled pouch cells show excellent electrochemical stability even at rigorous conditions, demonstrating high safety and practicability. © 2024 American Chemical Society.
Keyword ：
Aluminum compounds Aluminum compounds Bond strength (chemical) Bond strength (chemical) Bond strength (materials) Bond strength (materials) Electrolytes Electrolytes Energy gap Energy gap Fluorine Fluorine Fluorine containing polymers Fluorine containing polymers Hydrogen bonds Hydrogen bonds Lithium Fluoride Lithium Fluoride Magnesium compounds Magnesium compounds Positive ions Positive ions
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| GB/T 7714 | Zhou, Mingxia , Cui, Kai , Wang, Tian-Shuai et al. Bimetal Fluorides with Adjustable Vacancy Concentration Reinforcing Ion Transport in Poly(ethylene oxide) Electrolyte [J]. | ACS Nano , 2024 , 18 (39) : 26986-26996 . |
| MLA | Zhou, Mingxia et al. "Bimetal Fluorides with Adjustable Vacancy Concentration Reinforcing Ion Transport in Poly(ethylene oxide) Electrolyte" . | ACS Nano 18 . 39 (2024) : 26986-26996 . |
| APA | Zhou, Mingxia , Cui, Kai , Wang, Tian-Shuai , Luo, Zhihong , Chen, Li , Zheng, Yun et al. Bimetal Fluorides with Adjustable Vacancy Concentration Reinforcing Ion Transport in Poly(ethylene oxide) Electrolyte . | ACS Nano , 2024 , 18 (39) , 26986-26996 . |
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Solid-state electrolytes (SSEs) with flame retardancy and good adaptability to lithium-metal anodes can have great potential in enabling high safety and high energy density lithium-metal batteries. In addition to optimize the composition/structure of current three main types of SSEs including inorganic SSEs, polymeric SSEs, and inorganic/polymer composite SSEs, massive efforts are under way to seek for new SSE formulations. Recently, metal-organic frameworks (MOFs), a type of crystalline inorganic-organic materials with the structural features of rich porous, ordered channels, tunable functionality, are emerging as a research hotspot in the field of SSEs, which have attracted tremendous efforts. Based on the latest investigations, in this paper, a systematic overview of the recent development in MOFs-based SSEs (MSSEs) for lithium-metal batteries is presented. Classification and compositions, development history, fabrication approaches, and recent progress of five main types of MSSEs are comprehensively reviewed, and the roles of MOFs in MSSEs including ionic conductors, ionic transport carriers, and added fillers are highlighted. Moreover, the main challenges are analyzed and the perspectives of MSSEs are also presented for their future research and development. This review not only contributes to the study of new systems of solid-state electrolytes, but also for further development of electrified transportation.
Keyword ：
High ionic conductivity High ionic conductivity Lithium -metal batteries Lithium -metal batteries Metal -organic frameworks Metal -organic frameworks Solid-state electrolytes Solid-state electrolytes
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| GB/T 7714 | Wang, Hongyao , Duan, Song , Zheng, Yun et al. Solid-state electrolytes based on metal-organic frameworks for enabling high-performance lithium-metal batteries: Fundamentals, progress, and perspectives [J]. | ETRANSPORTATION , 2024 , 20 . |
| MLA | Wang, Hongyao et al. "Solid-state electrolytes based on metal-organic frameworks for enabling high-performance lithium-metal batteries: Fundamentals, progress, and perspectives" . | ETRANSPORTATION 20 (2024) . |
| APA | Wang, Hongyao , Duan, Song , Zheng, Yun , Qian, Lanting , Liao, Can , Dong, Li et al. Solid-state electrolytes based on metal-organic frameworks for enabling high-performance lithium-metal batteries: Fundamentals, progress, and perspectives . | ETRANSPORTATION , 2024 , 20 . |
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