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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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High-temperature proton exchange membrane fuel cells (HT-PEMFCs) show broad application perspectives due to their faster reaction kinetics and tolerance to fuel/gas impurities as well as the easy water/heat managements. However, the catalysts and subsequent membrane electrode assemblies (MEAs) are still suffering from performance degradation, which severely restricts HT-PEMFCs' large-scale practical application. To overcome the challenges, developing high-performance catalysts and MEAs with advanced materials and optimized structures to achieve stable and efficient operation of HT-PEMFCs is necessary. To facilitate the research and development of HT-PEMFCs, a comprehensive overview of the latest developments in the design of active and stable catalysts and durable MEAs is presented in this paper. This review systematically summarizes the degradation mechanisms of catalysts, and corresponding mitigation strategies for improving the stability of catalysts and MEAs, aiming to effectively developing high-performance and durable HT-PEMFCs. Furthermore, the main challenges are analyzed and the future research directions for overcoming the challenges are also proposed for developing highactive and stable catalysts and MEAs used in HT-PEMFCs toward practical applications.
Keyword ：
Catalysts Catalysts Degradation mechanisms Degradation mechanisms High-temperature proton exchange membrane fuel cells High-temperature proton exchange membrane fuel cells Membrane electrode assemblies Membrane electrode assemblies Mitigation strategies Mitigation strategies
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| GB/T 7714 | Xu, Chenhui , Wang, Shufan , Zheng, Yun et al. Performance enhancement from catalysts to membrane electrode assemblies for high-temperature proton exchange membrane fuel cells [J]. | NANO ENERGY , 2025 , 139 . |
| MLA | Xu, Chenhui et al. "Performance enhancement from catalysts to membrane electrode assemblies for high-temperature proton exchange membrane fuel cells" . | NANO ENERGY 139 (2025) . |
| APA | Xu, Chenhui , Wang, Shufan , Zheng, Yun , Liu, Haishan , Li, Lingfei , Zhuang, Zewen et al. Performance enhancement from catalysts to membrane electrode assemblies for high-temperature proton exchange membrane fuel cells . | NANO ENERGY , 2025 , 139 . |
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MXenes, a unique class of 2D transition metal carbides, have gained attention for gas sensing applications due to their distinctive properties. Since the synthesis of Ti3C2Tx MXene in 2011, significant progress has been made in using MXenes as chemiresistive sensors. Their layered structure, abundant surface groups, hydrophilicity, tunable conductivity, and excellent thermal properties make MXenes ideal for low-power, flexible, room temperature gas sensors, fostering scalable and reproducible applications in portable devices. This review evaluates the latest advancements in MXene-based gas sensors, beginning with an overview of the elemental compositions, structures, and typical fabrication process of MXenes. We subsequently examine their applications in gas sensing domains, evaluating the proposed mechanisms for detecting common volatile organic compounds such as acetone, formaldehyde, ethanol, ammonia, and nitrogen oxides. To set this apart from similar reviews, our focus centered on the mechanistic interactions between MXene sensing materials and analytes (particularly for chemiresistive gas sensors), leveraging the distinct functionalities of MXene chemistries, which can be finely tuned for specific applications. Ultimately, we examine the current limitations and prospective research avenues concerning the utilization of MXenes in environmental and biomedical applications.
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| GB/T 7714 | Qian, Lanting , Rahmati, Farnood , Li, Fengchao et al. Recent advances in 2D MXene-based heterostructures for gas sensing: mechanisms and applications in environmental and biomedical fields [J]. | NANOSCALE , 2025 , 17 (15) : 8975-8998 . |
| MLA | Qian, Lanting et al. "Recent advances in 2D MXene-based heterostructures for gas sensing: mechanisms and applications in environmental and biomedical fields" . | NANOSCALE 17 . 15 (2025) : 8975-8998 . |
| APA | Qian, Lanting , Rahmati, Farnood , Li, Fengchao , Zhang, Tianzhu , Wang, Tao , Zhang, Haoze et al. Recent advances in 2D MXene-based heterostructures for gas sensing: mechanisms and applications in environmental and biomedical fields . | NANOSCALE , 2025 , 17 (15) , 8975-8998 . |
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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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CO and H 2 S poisoning of Pt -based catalysts for hydrogen oxidation reaction (HOR) stands as one of the longstanding hindrances to the widespread commercialization of proton exchange membrane fuel cells. In this paper, a Ru/Ti 4 O 7 catalyst is successfully synthesized by the microwave -thermal method. This Ru/Ti 4 O 7 catalyst shows a much higher noble metal mass activity than those of commercial PtRu/C and conventional Ru/C catalysts. The performance of the Ru/Ti 4 O 7 catalyst under the exist of CO or H 2 S shows insignificant current decay, which is far superior to commercial PtRu/C and Pt/C catalysts. In this Ru/Ti 4 O 7 catalyst, the electron transfer between Ru and Ti to form d -p orbital hybridization is considered to be responsible for the favorable catalytic HOR performance and the corresponding CO and H 2 S tolerance. The interaction mechanism formed by electron transfer may open a promising way for the subsequent development of anti -poisoning catalysts for PEM fuel cell hydrogen oxidation reaction.
Keyword ：
CO poisoning CO poisoning H2 H2 Hydrogen oxidation reaction Hydrogen oxidation reaction PEM fuel cell PEM fuel cell
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| GB/T 7714 | Xie, Yujie , Lian, Bianyong , Deng, Shuqi et al. Advanced Ru/Ti 4 O 7 catalyst for Tolerating CO and H 2 S poisoning to hydrogen oxidation reaction [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 65 : 205-214 . |
| MLA | Xie, Yujie et al. "Advanced Ru/Ti 4 O 7 catalyst for Tolerating CO and H 2 S poisoning to hydrogen oxidation reaction" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 65 (2024) : 205-214 . |
| APA | Xie, Yujie , Lian, Bianyong , Deng, Shuqi , Lin, Qingqu , Wang, Kaili , Zheng, Yun et al. Advanced Ru/Ti 4 O 7 catalyst for Tolerating CO and H 2 S poisoning to hydrogen oxidation reaction . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 65 , 205-214 . |
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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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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 use of two-dimensional (2D) layered metal-organic frameworks (MOFs) as self-sacrificial templates has been proven to be a successful method to create high-efficiency Selenium (Se)-containing electrocatalysts for overall water splitting. Herein, two strategies are then utilized to introduce Se element into the Co-Fe MOF, one being the etching of as-prepared MOF by SeO2 solution, and the other, the replacing of SCN- with SeCN- as the construction unit. The electrochemical activity of the pristine 2D MOF and their calcinated derivatives for catalyzing the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is evaluated and further discussed. It is found that the effect of introducing Se on improving electrochemical catalytic activity is significant for the HER process. Specifically, the calcinated derivative in the replacing method exhibits an overpotential of 235 mV for HER and 270 mV for OER at a current density of 10 mA/cm2. For comparing the two methods of introducing Se element into MOF, similar electrocatalytic activity can be achieved on the their calcinated derivatives. The high electrochemical performance of 2D CoFe-MOF derivatives may be resulted from the unique 2D hierarchical porous structure and strong synergistic effect between different components in the material.
Keyword ：
2D MOF 2D MOF hydrogen evolution reaction (HER) hydrogen evolution reaction (HER) oxygen evolution reaction (OER) oxygen evolution reaction (OER) selenium (Se)-containing materials selenium (Se)-containing materials
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| GB/T 7714 | Shang, Zhao-ting , Li, Tang-ming , Hu, Bing-qian et al. Two-dimensional bimetallic selenium-containing metal-organic frameworks and their calcinated derivatives as electrocatalysts for overall water splitting [J]. | FRONTIERS IN ENERGY , 2024 , 18 (3) : 378-389 . |
| MLA | Shang, Zhao-ting et al. "Two-dimensional bimetallic selenium-containing metal-organic frameworks and their calcinated derivatives as electrocatalysts for overall water splitting" . | FRONTIERS IN ENERGY 18 . 3 (2024) : 378-389 . |
| APA | Shang, Zhao-ting , Li, Tang-ming , Hu, Bing-qian , Liu, Min , Lu, Wang-ting , Yu, Fan et al. Two-dimensional bimetallic selenium-containing metal-organic frameworks and their calcinated derivatives as electrocatalysts for overall water splitting . | FRONTIERS IN ENERGY , 2024 , 18 (3) , 378-389 . |
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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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Cellulose-based separator exhibits excellent electrolyte affinity, thermal stability, and mechanical strength, which acts as a promising alternative to commercial polyolefin separators in lithium metal batteries (LMBs). Fiber size in cellulose-based separators plays a crucial role in determining their physicochemical structure and mechanical strength, as well as the electrochemical performance of corresponding LMBs. Herein, the fiber size in cellulose-based separators was first time regulated to optimize their mechanical stability and the related battery performance. The influences of fiber size in the separator on chemical structure, mechanical properties, surface morphology, electrochemical behavior were investigated in detail, in which the underlying mechanism between separator structure and the related performance was elucidated. As a result, the separator optimized by fiber size regulation exhibited excellent thermal stability under 180 degrees C, good tensile strengths of 6.0 MPa and Young's moduli of 315.9 MPa, superior room temperature ionic conductivity of 1.87 mS cm-1, as well as significantly improved electrochemical performance of corresponding batteries. It can be concluded that structure optimization for cellulose-based separator through fiber size regulation is an effective and indispensable approach towards high safety and high performance LMBs. Herein, the fiber size in cellulose-based separators is first time regulated to optimize their mechanical stability and the related battery performance. The influences of fiber size in the separator on chemical structure, mechanical properties, surface morphology, electrochemical behavior are investigated in detail, in which the underlying mechanism between separator structure and the related performance is elucidated. image
Keyword ：
cellulose-based separators cellulose-based separators fiber size regulation fiber size regulation lithium metal batteries lithium metal batteries structure optimization structure optimization
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| GB/T 7714 | Li, Zhenghao , Lu, Zongtao , Zhang, Tianyou et al. Structure Optimization for Cellulose-Based Separator through Fiber Size Regulation for High Performance Lithium Metal Batteries [J]. | BATTERIES & SUPERCAPS , 2024 , 7 (12) . |
| MLA | Li, Zhenghao et al. "Structure Optimization for Cellulose-Based Separator through Fiber Size Regulation for High Performance Lithium Metal Batteries" . | BATTERIES & SUPERCAPS 7 . 12 (2024) . |
| APA | Li, Zhenghao , Lu, Zongtao , Zhang, Tianyou , Qin, Bingsen , Yan, Wei , Dong, Li et al. Structure Optimization for Cellulose-Based Separator through Fiber Size Regulation for High Performance Lithium Metal Batteries . | BATTERIES & SUPERCAPS , 2024 , 7 (12) . |
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