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Metal-organic framework-based single-atom electro-/ photocatalysts: Synthesis, energy applications, and opportunities

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Carbon energy 2024年第1期6卷 1-43页

作者： Munir Ahmad Jiahui Chen Jianwen Liu Yan Zhang Zhongxin Song Shahzad Afzal Waseem Raza Liaqat Zeb Andleeb Mehmood Arshad Hussain Jiujun Zhang Xian-Zhu Fu Jing-Li Luo Shenzhen Key Laboratory of energy Electrocatalytic Materials Guangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen UniversityShenzhenGuangdongChina College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhenGuangdongChina College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhenGuangdongChina Department of Environmental Engineering China Jiliang UniversityHangzhouZhejiangChina Institute for Advanced Study Shenzhen UniversityShenzhenGuangdongChina School of Bioengineering Dalian University of TechnologyDalianLiaoningChina College of Materials Science and Engineering Fuzhou UniversityFuzhouFujianChina Institute for Sustainable energy Shanghai UniversityShanghaiChina

Single-atom catalysts(SACs)have gained substantial attention because of their exceptional catalytic ***,the high surface energy limits their synthesis,thus creating significant challenges for further *** the last few years,metal–organic frameworks(MOFs)have received significant consideration as ideal candidates for synthesizing SACs due to their tailorable chemistry,tunable morphologies,high porosity,and chemical/thermal *** this perspective,this review thoroughly summarizes the previously reported methods and possible future approaches for constructing MOF-based(MOF-derived-supported and MOF-supported)***,MOF-based SAC's identification techniques are briefly assessed to understand their coordination environments,local electronic structures,spatial distributions,and catalytic/electrochemical reaction *** review systematically highlights several photocatalytic and electrocatalytic applications of MOF-based SACs for energy conversion and storage,including hydrogen evolution reactions,oxygen evolution reactions,O_(2)/CO_(2)/N_(2) reduction reactions,fuel cells,and rechargeable *** light is also shed on the future development of this highly exciting field by highlighting the advantages and limitations of MOF-based SACs.

关键词： carbon energy generation MOF-derived-supported MOF-supported single atoms

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Modulating ion current rectification generating high energy output in a single glass conical nanopore channel by concentration gradient

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Chinese Chemical Letters 2015年第1期26卷 43-46页

作者： Li-Xiang Zhang Yu-Bin Zheng Sheng-Lin Cai Xiao-Hong Cao Yao-Qun Li Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation College of Chemistry and Chemical Engineering.Xiamen University Shenzhen Haibin Pharmaceutical Co. Ltd.

Inspired by biological systems that have the inherent skill to generate considerable bioelectricity from the salt content in fluids with highly selective ion channels and pumps on cell membranes, herein, a fully abiotic, single glass conical nanopores energy-harvesting is demonstrated. Ion current rectification （ICR） in negatively charged glass conical nanopores is shown to be controlled by the electrolyte concentration gradient depending on the direction of ion diffusion. The degree of ICR is enhanced with the increasing forward concentration difference. An unusual rectification inversion is observed when the concentration gradient is reversely applied. The maximum power output with the individual nanopore approaches 10^4pW. This facile and cost-efficient energy-harvesting system has the potential to power tiny biomedical devices or construct future clean-energy recovery plants.

关键词： Glass conical nanopore channe Ion current rectification Concentration gradient energy generation

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Validating Wind energy Probability at Ahmednagar Wind Farm

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Journal of energy and Power Engineering 2011年第2期5卷 189-194页

作者： M.M. Hapse A.G. Thosar S.M. Shinde Electrical Engineering Department P.D.V.V.P. College of Engineering Ahmednagar Maharashtra India Electrical Engineering Department Government College of Engineering Aurangabad Maharashtra India

The wind speed is measured with the help of three anemometers S30, S45, S60 placed at 30 m, 45 m, and 60 m height. Mean values are recorded and stored for every hour using a data logger. For accounting wind turbine generator （WTG.） tower height, data recorded from S60 anemometer at 60 m height is used for analysis purpose. This paper analyzes the probability distribution of wind speed data recorded by maharashtra energy development agency （MEDA） wind farm at Ahmednagar （India）. The main objective is to validate the wind energy probability by using probability distribution function （PDF） of available wind potential. The energy generated from wind for any time interval is equal to the area tinder power curve multiplied by time in hours for that time interval. To estimate the wind energy probability, hourly wind speed data tbr one year interval is selected. Weibull distribution is adopted in this study to best fit the wind speed data. The scale and shape paranleters are estimated by using maximum likelihood method. The goodness of fit tests based on the probability density function （PDF） is conducted to show that the distribution adequately fits the data. It is found from the curve fitting test that, although the two distributions are all suitable for describing the probability distribution of wind speed data, the two-parameter weibull distribution is more appropriate than the lognormal distribution.

关键词： Probability distribution ftmction wind farm energy generation weibull Lognormal

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冲压平台热电液压一体化综合能源生成技术研究

冲压平台热电液压一体化综合能源生成技术研究

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第五届空天动力联合会议暨中国航天第三专业信息网第41届技术交流会

作者：王军聂聆聪霍雪娇北京动力机械研究所

冲压平台能源管理技术要解决高速气流能量的高效提取、宽域发动机能量提取与热力循环的耦合影响、多层次分布式柔性综合能源管理系统设计等难题。冲击式空气涡轮系统由于重量轻、结构简单、综合效能高等优点,成为高速飞行器机载设备提... 详细信息

冲压平台能源管理技术要解决高速气流能量的高效提取、宽域发动机能量提取与热力循环的耦合影响、多层次分布式柔性综合能源管理系统设计等难题。冲击式空气涡轮系统由于重量轻、结构简单、综合效能高等优点,成为高速飞行器机载设备提供电能或液压能的最佳选择。长航时的马赫数4+冲压发动机如采用混合模式即涡轮泵与涡轮发电系统一体化装置集成设计方案,相比常规方案,能够大幅降低系统重量,极大提高系统供电时间,从而增加飞行器的航程。

关键词： stamping platform energy generation tam air turbine

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