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The 11th IET International Conference on Advances in Power System control, Operation and Management (APSCOM 2018)

作者： Kaihua Xin Bin Duan Yinxin Yan Hunan Province Engineering Research Center for Multi-Energy Collaborative Control Technology Hunan Province Cooperative Innovation Center for Wind Power Equipment and Energy Conversion College of Information Engineering Xiangtan University Xiangtan Hunan 411105 China

ISBN: (数字)9781839530043

In this paper, a cooperative control method of advanced converter using smart contract is proposed in the Micro-grid with uncertain renewable energy output. The problem of power quality in Micro-grid is solved by using the active operation decision of the microgrid converter as the goal. First, the information interaction mechanism and model between the central Micro-grid converters is proposed in this paper. When the different strategies in the distribution network are switched, the real-time transaction requests can be initiated to other converters in the Micro-grid, and the disturbance of the power quality can be eliminated by the other converters in Micro-grid, and the dynamic balance of the power quality of the Micro-grid can be maintained. Then, a Vickrey-Clarke-Groves(VCG) auction method was introduced to encourage proprietor bidding of her neighbors, and the mechanism of distributed decision making and cooperative autonomous operation is realized by using smart contract. Among them, smart contract is signed between the various converters. On the one hand, the update of the state in the control cycle is realized, which makes the converter take more responsibilities and participate in the power quality control. To a certain extent, the effectiveness of the method is ensured. In addition, rewards and penalties are given according to the achievement of the smart contract between the converters, which reduces the default rate of the owners. This degrading transaction process improves the security and completeness of the transaction. It provides more means to solve the power quality of the power grid and ensures the safe and reliable operation of the distribution network.

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Tailoringd-Band center of Single-Atom Nickel Sites for Boosted Photocatalytic Reduction of Diluted CO2from Flue Gas

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Angewandte Chemie 2024年第5期137卷

作者： Jiahui Liu Prof. Bin Han Prof. Xueming Liu Dr. Shujie Liang Yang Fu Prof. Jun He Lai-Hon Chung Yuanfang Lin Yupeng Wei Sibo Wang Tianyi Ma Prof. Zhifeng Yang Guangdong Basic Research Center of Excellence for Ecological Security and Green Development Collaborative Innovation Institute of Carbon Neutrality and Green Development School of Ecology Environment and Resources Guangdong University of Technology Guangzhou 510006 P. R. China School of Environment and Energy Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education) South China University of Technology Guangzhou 510006 P. R. China Centre for Atomaterials and Nanomanufacturing (CAN) School of Science RMIT University Melbourne VIC 3000 Australia ARC Industrial Transformation Research Hub for Intelligent Energy Efficiency in Future Protected Cropping (E2Crop) Melbourne VIC 3000 Australia School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou Guangdong 510006 P. R. China State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fujian 350116 P. R. China

Photocatalytic reduction of diluted CO 2 from anthropogenic sources holds tremendous potential for achieving carbon neutrality, while the huge barrier to forming *COOH key intermediate considerably limits catalytic effectiveness. Herein, via coordination engineering of atomically scattered Ni sites in conductive metal–organic frameworks (CMOFs), we propose a facile strategy for tailoring the d-band center of metal active sites towards high-efficiency photoreduction of diluted CO 2 . Under visible-light irradiation in pure CO 2 , CMOFs with Ni-O 4 sites (Ni-O 4 CMOFs) exhibits an outstanding rate for CO generation of 13.3 μmol h −1 with a selectivity of 94.5 %, which is almost double that of its isostructural counterpart with traditional Ni-N 4 sites (Ni-N 4 CMOFs), outperforming most reported systems under comparable conditions. Interestingly, in simulated flue gas, the CO selectivity of Ni-N 4 CMOFs decreases significantly while that of Ni-O 4 CMOFs is mostly unchanged, signifying the supremacy for Ni-O 4 CMOFs in leveraging anthropogenic diluted CO 2 . In situ spectroscopy and density functional theory (DFT) investigations demonstrate that O coordination can move the center of the Ni sites′ d-band closer to the Fermi level, benefiting the generation of *COOH key intermediate as well as the desorption of *CO and hence leading to significantly boosted activity and selectivity for CO 2 -to-CO photoreduction.

关键词： single-atom catalysts CO2 photoreduction d-band centers coordination engineering conductive MOFs

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research on Characteristics of Morphological Filters

Research on Characteristics of Morphological Filters

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第二届电气、控制与自动化国际会议

作者： Fang Xie Kangkang Liang Wenming Wu Wenjie Hong Wei Hu School of Electrical Engineering and Automation Anhui University National Engineering Laboratory of Energy-Saving Motor & Control Technology Anhui University Engineering Research Center of Power Quality Ministry of Education Anhui University Anhui Province Laboratory of Industrial Energy-Saving and Safety Anhui University Collaborative Innovation Center of Industrial Energy-Saving and Power Quality Control Anhui University

As a kind of non-linear filter, morphology filter is widely applied in sampled power system single processing and motor control with its effective denoising performance. If the structural elements are selected properly, the morphological filter can do better in maintaining the original characteristics of the signal. However, in practical applications, it is a major difficulty to grasp the factors that affect the cut-off frequency of morphological filters. This paper will solve these problems. In this paper, the frequency response characteristic of the combined morphological filter is presented by excitation signal inputted into the given morphological filter. The research indicates when the sampling frequency is fixed, the cut-off frequency increases with the increase of the length of the structural elements. The cut-off frequency gets smaller as the width of structure element grows, and the relationship between them is nonlinear. When the width of the structure element is fixed, as the sampling frequency changed, the cut-off frequency varies directly with the sampling frequency. Experiments show the corresponding rule of morphological filter frequency.

关键词： filter research on Characteristics of Morphological Filters

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Impact of Marine Chlorine Emissions on Secondary Organic Aerosols in North China Plain

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Environmental pollution (Barking, Essex : 1987) 2025年 381卷 126524页

作者： Zhaoqi Gao Lin Li Zhou Liu Jiangshan Mu Zhuyi Wang Bin Luo Jingzhu Zhang Shuting Tang Hongliang Zhang Jianlin Hu Xuan Wang Xuehua Zhou Yuqiang Zhang Environment Research Institute Shandong University Qingdao 266237 China. Environment Research Institute Shandong University Qingdao 266237 China Department of Environmental Science and Engineering Fudan University Shanghai 200438 China. Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Collaborative Innovation Center of Atmospheric Environment and Equipment Technology Nanjing University of Information Science & Technology Nanjing 210044 China. School of Energy and Environment City University of Hong Kong Hong Kong SAR 999077 China Shenzhen Research Institute City University of Hong Kong Shenzhen 518057 China Low-Carbon and Climate Impact Research Centre City University of Hong Kong Hong Kong SAR 999077 China. Environment Research Institute Shandong University Qingdao 266237 China. Electronic address: xuehuazhou@***. Environment Research Institute Shandong University Qingdao 266237 China. Electronic address: yuqiang.zhang@***.

Chlorine radicals (Cl), as important oxidant in the atmosphere, significantly influence the formation of secondary organic aerosols (SOA), which is harmful to air quality and human health. Additionally, marine is an important source of reactive chlorine-containing species that are released into the atmosphere via sea spray aerosols (SSA). To date, the contribution of marine chlorine-containing species on SOA has not been well quantified. Here, we explored and quantified the impact of chlorine-containing species released by SSA on atmospheric oxidants (Cl, OH, HO, O), SOA and its main components in the North China Plain (NCP) in 2016 based on a high-resolution chemical transport model (WRF-CMAQ). Model results showed that marine chlorine-containing species emissions have the greatest effect on atmospheric oxidants in summer, and can increase Cl up to 4.53×10 ppt, reduce OH, HO, and O up to 0.01 ppb, 0.41 ppb, and 5.30 ppb, respectively. Notably, marine chlorine-containing species emissions decreased O generation in each season (up to 1.02 ppb, 3.22 ppb, 5.30 ppb, and 1.58 ppb in winter, spring, summer and autumn, respectively), while promoted SOA formation in winter (0.01 μg/m) and inhibited in summer (0.01 μg/m). We also revealed that under high pollution events in winter, marine chlorine-containing species emissions can increase the SOA formation by up to 0.11 μg/m due to ClNO chemistry (heterogeneous reactions). Our study provides new perspective on the SSA contributions of SOA formation in NCP region.

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二维材料最新研究进展

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物理化学学报 2021年第12期37卷 1-151页

作者：常诚陈伟陈也陈永华陈雨丁峰樊春海范红金范战西龚成宫勇吉何其远洪勋胡晟胡伟达黄维黄元季威李德慧李连忠李强林立凌崇益刘鸣华刘楠刘庄 Kian Ping Loh 马建民缪峰彭海琳邵明飞宋礼苏邵孙硕谭超良唐智勇王定胜王欢王金兰王欣王欣然 Andrew T.S.Wee 魏钟鸣吴宇恩吴忠帅熊杰熊启华徐伟高尹鹏曾海波曾志远翟天佑张晗张辉张其春张铁锐张翔赵立东赵美廷赵伟杰赵运宣周凯歌周兴周喻朱宏伟张华刘忠范 Institute of Science and Technology Austria Am Campus 13400 KlosterneuburgAustria Department of Chemistry National University of Singapore3 Science Drive 3117543Singapore Department of Chemistry The Chinese University of Hong KongShatinNew TerritoriesHong KongChina Key Laboratory of Flexible Electronics and Institute of Advanced Materials Nanjing Tech UniversityNanjing 211816China School of Life Sciences Shanghai UniversityShanghai 200444China Centre for Multidimensional Carbon Materials Institute for Basic ScienceUlsan 44919Korea School of Chemistry and Chemical Engineering Shanghai Jiao Tong UniversityShanghai 200240China School of Physical and Mathematical Sciences Nanyang Technological UniversitySingapore 637371Singapore Department of Chemistry City University of Hong KongKowloonHong KongChina Department of Electrical and Computer Engineering and Quantum Technology Center University of MarylandCollege ParkMaryland 20742USA School of Materials Science and Engineering Beihang UniversityBeijing 100191China Department of Materials Science and Engineering City University of Hong KongKowloonHong KongChina Center of Advanced Nanocatalysis(CAN) Hefei National Laboratory for Physical Sciences at the MicroscaleDepartment of Applied ChemistryUniversity of Science and Technology of ChinaHefei 230026China College of Chemistry and Chemical Engineering State Key Laboratory of Physical Chemistry of Solid SurfacesCollaborative Innovation Center of Chemistry for Energy Materials(iChEM)Xiamen UniversityXiamen361005Fujian ProvinceChina State Key Laboratory of Infrared Physics Shanghai Institute of Technical PhysicsChinese Academy of SciencesShanghai 200083China Advanced Research Institute of Multidisciplinary Science Beijing Institute of TechnologyBeijing100081China Beijing Key Laboratory of Optoelectronic Functional Materials&Micro-Nano Devices Department of PhysicsRenmin University of ChinaBeijing 100872China School of Optical and Electronic Information Wuhan National Laboratory

research on two-dimensional(2D) materials has been explosively increasing in last seventeen years in varying subjects including condensed matter physics, electronic engineering, materials science, and chemistry since the mechanical exfoliation of graphene in 2004. Starting from graphene, 2D materials now have become a big family with numerous members and diverse categories. The unique structural features and physicochemical properties of 2D materials make them one class of the most appealing candidates for a wide range of potential applications. In particular, we have seen some major breakthroughs made in the field of 2D materials in last five years not only in developing novel synthetic methods and exploring new structures/properties but also in identifying innovative applications and pushing forward commercialisation. In this review, we provide a critical summary on the recent progress made in the field of 2D materials with a particular focus on last five years. After a brief backgroundintroduction, we first discuss the major synthetic methods for 2D materials, including the mechanical exfoliation, liquid exfoliation, vapor phase deposition, and wet-chemical synthesis as well as phase engineering of 2D materials belonging to the field of phase engineering of nanomaterials(PEN). We then introduce the superconducting/optical/magnetic properties and chirality of 2D materials along with newly emerging magic angle 2D superlattices. Following that, the promising applications of 2D materials in electronics, optoelectronics, catalysis, energy storage, solar cells, biomedicine, sensors, environments, etc. are described sequentially. Thereafter, we present the theoretic calculations and simulations of 2D materials. Finally, after concluding the current progress, we provide some personal discussions on the existing challenges and future outlooks in this rapidly developing field.

关键词： Two-dimensional materials Transition metal dichalcogenides Phase engineering of nanomaterials Electronics Optoelectronics Catalysis energy storage and conversion

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Electrochemical synergistic persulfate oxidation process for treatment of salty organic wastewater

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Huagong Jinzhan/Chemical Industry and engineering Progress 2019年第12期38卷 5572-5577页

作者： Chen, Xi Ji, Zhiyong Huang, Zhihui Zhao, Yingying Liu, Jie Yuan, Junsheng National-Local Joint Engineering Laboratory of Chemical Energy Saving Process Integration and Resource Utilization School of Chemical Engineering and Technology Hebei University of Technology Tianjin300130 China Engineering Research Center of Seawater Utilization of Ministry of Education School of Chemical Engineering and Technology Hebei University of Technology Tianjin300130 China State Key Laboratory of Petroleum Pollution Control Beijing102206 China Hebei Collaborative Innovation Center of Modern Marine Chemical Technology Tianjin300130 China

In recent years, the discharge of wastewater has increased with the continuous development of coal chemical industry. Wastewater treatment has become a hot and difficult spot for the large emissions, high salt and high COD. Based on the actual ingredients of the salty organic wastewater (TDS content is 25000mg/L) from a plant located in Yili (Sinkiang), 2-methoxyphenol was chosen as a typical organic in coal chemical wastewater. The method of electrochemistry synergistic persulfate oxidation was investigated to degrade 2-methoxyphenol. The influence of voltage, initial concentration of sodium persulfate, electrode distances and initial pH on the degradation ratio of 2-methoxyphenol were discussed. Considering the electronic consumption and oxidant cost, the suitable degradation conditions of 2-methoxyphenol were the voltage of 2V, electrode distance of 3cm, initial sodium persulfate concentration of 5g/L, pH=12 and reaction time of 3h, and the degradation ratio could reach 97.5%. Compared with the single method of electrochemistry or persulfate oxidation, this method has obvious improvement on the degradation of 2-methoxyphenol and shows a synergistic effect. These results could provide a new method on environmental and efficiency wastewater treatment of coal chemical industry in the future. © 2019, Chemical Industry Press. All right reserved.

关键词： Electrochemistry

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First-principles study of bulk and two-dimensional structures of the AMnBi family of materials (A=K,Rb,Cs)

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Physical Review B 2020年第3期102卷 035444-035444页

作者： Ziming Zhu Chunyan Liao Si Li Xiaoming Zhang Weikang Wu Zhi-Ming Yu Rui Yu Wei Zhang Shengyuan A. Yang Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education Department of Physics and Synergetic Innovation Center for Quantum Effects and Applications Hunan Normal University Changsha 410081 China Research Laboratory for Quantum Materials Singapore University of Technology and Design Singapore 487372 Singapore School of Materials Science and Engineering Hebei University of Technology Tianjin 300130 China Key Lab of Advanced Optoelectronic Quantum Architecture and Measurement (MOE) Beijing Key Lab of Nanophotonics & Ultrafine Optoelectronic Systems and School of Physics Beijing Institute of Technology Beijing 100081 China School of Physics and Technology Wuhan University Wuhan 430072 China Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials College of Physics and Energy Fujian Normal University Fuzhou 350117 China School of Physics and Technology Center for Quantum Transport and Thermal Energy Science Nanjing Normal University Nanjing 210023 China

Magnetic materials with high mobilities are intriguing subjects of research from both fundamental and application perspectives. Based on first-principle calculations, we investigate the physical properties of the already synthesized AMnBi (A=K, Rb, Cs) family materials. We show that these materials are antiferromagnetic (AFM), with Néel temperatures above 300 K. They contain AFM ordered Mn layers, while the interlayer coupling changes from ferromagnetic (FM) for KMnBi to AFM for RbMnBi and CsMnBi. We find that these materials are narrow gap semiconductors. Owing to the small effective mass, the electron carrier mobility can be very high, reaching up to 105cm2/(Vs) for KMnBi. In contrast, the hole mobility is much suppressed, typically lower by two orders of magnitude. We further study their two-dimensional (2D) single layer structures, which are found to be AFM with fairly high mobility ∼103cm2/(Vs). Their Néel temperatures can still reach room temperature. Interesting, we find that the magnetic phase transition is also accompanied by a metal-insulator phase transition, with the paramagnetic metal phase possessing a pair of nonsymmorphic-symmetry-protected 2D spin-orbit Dirac points. Furthermore, the magnetism can be effectively controlled by the applied strain. When the magnetic ordering is turned into FM, the system can become a quantum anomalous Hall insulator with gapless chiral edge states.

关键词： Edge states First-principles calculations Magnetic phase transitions Spin-orbit coupling Topological materials Transport phenomena

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Photocatalytic water purification with graphitic C 3 N 4 -based composites: Enhancement, mechanisms, and performance

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Applied Materials Today 2021年 24卷

作者： Songhao Luo Chang Zhang Eydhah Almatrafi Ming Yan Yang Liu Yukui Fu Ziwei Wang Ling Li Chenyun Zhou Piao Xu Zhifeng Liu Guangming Zeng College of Environmental Science and Engineering and Key Laboratory of Environmental Biology and Pollution Control (Ministry of Education) Hunan University Changsha 410082 PR China Center of Research Excellence in Renewable Energy and Power Systems Center of Excellence in Desalination Technology Department of Mechanical Engineering Faculty of Engineering-Rabigh King Abdulaziz University Jeddah 21589 Saudi Arabia

Recently enormous exertions have been dedicated to modify graphitic carbon nitride (g-C 3 N 4 )-based photocatalysts via morphological adjustment and compositional control, providing various ways for the advance of high-efficiency catalysts in the field of photocatalytic water purification. This review summarizes the latest developments in photocatalytic removal of contaminants and sterilization in water with g-C 3 N 4 -based materials, highlighting the performance and mechanism of multi-component cooperative photocatalysis. We review various strategies for improving the catalytic performance of g-C 3 N 4 -based photocatalysts, introducing theoretical calculations to explore the relationships between basic properties and photocatalytic activity. Then the performance and mechanism of photocatalytic water purification with g-C 3 N 4 -based materials are discussed. Finally, we put forward the principles and ways for the enhancement and application of g-C 3 N 4 -based composites in the future, evaluating their full life-cycle in photocatalytic water purification.

关键词： Graphitic carbon nitride Single-atom catalyst Photocatalysis Density functional theory Water purification Life-cycle assessment

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China's greenhouse gas budget during 2000-2023

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National Science Review 2025年第04期 24-36页

作者： Wenping Yuan Minqi Liang Yuanyi Gao Ling Huang Li Dan Hongtao Duan Songbai Hong Fei Jiang Weimin Ju Tingting Li Ziyang Lou Shilong Luan Xiao Lu Zhangcai Qin Lishan Ran Lulu Shen Fei Teng Xiangjun Tian Yilong Wang Jing Wei Jiangzhou Xia Xiaosheng Xia Lijun Yu Xu Yue Haicheng Zhang Wen Zhang Yuzhong Zhang Xu Zhao Qiuan Zhu Shilong Piao Xuhui Wang Institute of Carbon Neutrality Sino-French Institute for Earth System Science College of Urban and Environmental Sciences Peking University School of Atmospheric Sciences Guangdong Province Data Center of Terrestrial and Marine Ecosystems Carbon Cycle Sun Yat-sen University Key Laboratory of Regional Climate-Environment for Temperate East Asia Institute of Atmospheric PhysicsChinese Academy of Sciences Key Laboratory of Lake and Watershed Science for Water Security Nanjing Institute of Geography and LimnologyChinese Academy of Sciences State Key Laboratory of Lake Science and Environment Nanjing Institute of Geography and LimnologyChinese Academy of Sciences School of Urban Planning and Design Shenzhen Graduate School Peking University Frontiers Science Center for Critical Earth Material Cycling Nanjing University Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology International Institute for Earth System Science Nanjing University Key Laboratory of Atmospheric Environment and Extreme Meteorology Institute of Atmospheric PhysicsChinese Academy of Sciences Shanghai Engineering Research Center of Solid Waste Treatment and Resource Recovery School of Environmental Science & Engineering Shanghai Jiao Tong University Department of Geography The University of Hong Kong Department of Atmospheric and Oceanic Sciences School of PhysicsPeking University Institute of Energy Environment and Economy Tsinghua University State Key Laboratory of Tibetan Plateau Earth System Resources and Environment (TPESRE)Institute of Tibetan Plateau ResearchChinese Academy of Sciences Tianjin Key Laboratory of Water Resources and Environment Tianjin Normal University State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC) Institute of Atmospheric PhysicsChinese Academy of Sciences Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Collaborative Innovation Center of Atmospheric Environment and Equipment Technology School of

National greenhouse gas（GHG） budget,including CO2,CH4and N2O has increasingly become a topic of concern in international climate *** is paying increasing attention to reducing GHG emissions and increasing land sinks to effectively mitigate climate *** estimates of GHG fluxes are crucial for monitoring progress toward mitigating GHG emissions in *** study used comprehensive methods,including emission factor methods,process-based models,atmospheric inversions,and data-driven models,to estimate the long-term trends of GHG sources and sinks from all anthropogenic and natural sectors in China's mainland during 2000-2023,and produced an up-to-date China GHG Budget dataset（CNGHG）.The total gross emissions of the three GHGs show a 3-fold increase from 5.0（95% CI:4.9-5.1） Gt CO2-eq yr-1（in 2000） to 14.3（95% CI:13.8-14.8） Gt CO2-eqyr-1（in2023）.CO2emissions represented 81.8% of the GHG emissions in 2023,while 12.7% and 5.5% were for CH4and N2O,*** the largest CO2source,the energy sector contributed 87.4% *** contrast,the agriculture,forestry and other land use sector was the largest sector of CH4and N2O,representing 50.1% and 6 6.3% emissions,***,China's terrestrial ecosystems serve as a net CO2sink(1.0 Gt CO2yr-1,9596 CI:0.2-1.9 Gt CO2yr-1) during 2012 to 2021,equivalent to an average of 14.3% of fossil *** GHG emission estimates showed a general consistency with national GHG inventories,with gridded and sector-specific estimates of GHG fluxes over China,providing the basis for curtailing GHG emissions for each region and sector.

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Stability of gene regulatory networks with Lévy noise

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中国科学：信息科学（英文版） 2017年第7期60卷 223-235页

作者： Qi Luo Yangyang Gong Chunxue Jia School of Information and Control Nanjing University of Information Science and Technology Jiangsu Engineering Research Center on Meteorological Energy Using and Control Collaborative Innovation Center of Atmospheric Environment and Equipment Technology Nanjing China

The stability of gene regulatory networks has attracted substantial research efforts in the field of systematic *** gene regulatory networks are always subject to noise interference and disruption to the organism either internally or ***,the special case of instantaneous mutation may exist in gene regulatory networks at the mRNA or protein *** with other existing models,a Lévy noisedriven gene regulatory network model has been proved to be more realistic,since it is a powerful tool to describe the above special *** the basis of previous studies,we developed a theoretical proof of the Lévy noisedriven gene regulatory network,and carried out a large number of numerical simulations for *** on adequate analysis of the simulation examples,the sufficient conditions were investigated and are presented herein to obtain the global asymptotic stability of gene regulatory networks with time-varying delays and Lévy noise.

关键词： Lévy noise gene regulatory networks time-varying delays stability analysis instantaneous mutation

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