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质子交换膜电解制氢膜电极制备技术研究进展

电源技术 2024年第7期48卷 1206-1211页

作者：朱玉婷叶青邓占锋宋小云北京智慧能源研究院北京102209 国网智能电网研究院有限公司北京102209

膜电极(MEA)是质子交换膜(PEM)电解堆的核心,是物质传输和电化学反应的场所,直接决定电解堆的性能、成本和寿命。综述了PEM电解制氢膜电极的制备方法,主要包括:多孔传输层表面制备催化层(PTE)、质子交换膜表面制备催化层(CCM)、有序化... 详细信息

膜电极(MEA)是质子交换膜(PEM)电解堆的核心,是物质传输和电化学反应的场所,直接决定电解堆的性能、成本和寿命。综述了PEM电解制氢膜电极的制备方法,主要包括:多孔传输层表面制备催化层(PTE)、质子交换膜表面制备催化层(CCM)、有序化制备法(OME)及直接膜沉积法(DMD)。PTE工艺可避免质子膜溶胀,但对传输层孔隙结构要求较高;CCM工艺过程简单,具有良好的催化层/膜界面,但电极极化损失高、物质传输性能较低;OME工艺具有良好的导电性及物质传输通道,有助于增加三相界面;DMD工艺可改善催化层与质子膜界面,自由调节膜厚,提升膜电极的性能并降低成本。

关键词：膜电极 PTE型膜电极 CCM型膜电极 OME型膜电极 DMD型膜电极

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质子交换膜电解制氢系统建模研究综述

电力建设 2024年第2期45卷 58-78页

作者：宋洁郜捷梁丹曦李根蒂邓占锋徐桂芝章雷其谢长君徐超华北电力大学能源动力与机械工程学院北京市102206 先进输电技术国家重点实验室(国网智能电网研究院有限公司) 北京市102209 国网浙江省电力有限公司电力科学研究院杭州市310014 武汉理工大学人工智能与新能源汽车现代产业学院武汉市430010

质子交换膜(proton exchange membrane,PEM)电解制氢技术因其快速响应、宽功率范围动态可调优势和良好的波动适应性,可作为灵活调节资源,支撑电网供需双侧动态匹配,提高新能源利用率。从单电解池/槽模型入手,涵盖配套辅机,基于水、热、... 详细信息

质子交换膜(proton exchange membrane,PEM)电解制氢技术因其快速响应、宽功率范围动态可调优势和良好的波动适应性,可作为灵活调节资源,支撑电网供需双侧动态匹配,提高新能源利用率。从单电解池/槽模型入手,涵盖配套辅机,基于水、热、电、气四个方面,总结分析了国内外电解制氢系统的建模方法及研究进展,阐述各模型的适用条件及参数的选取依据,并对PEM制氢系统的改进方向进行展望。通过建模仿真可以明晰电解制氢系统动静态性能规律与行为特性,有效地支撑系统的设计、运行及控制优化。所进行的研究综述对PEM电解制氢系统的模型建立、开发研究及仿真分析有一定的理论价值与指导意义。

关键词：质子交换膜电解制氢系统建模电解槽模型水-热-电-气

The Averaged-value Model of a Flexible Power Electronics Based Substation in Hybrid AC/DC Distribution Systems

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CSEE Journal of Power and Energy Systems 2022年第2期8卷 452-464页

作者： Hong Liu zhanfeng deng Xialin Li Li Guo Di Huang Shouqiang Fu Xiangyu Chen Chengshan Wang the Key Laboratory of Smart Grid of Ministry of Education Tianjin UniversityTianjin 300072China the State Key Laboratory of Advanced Power Transmission Technology Global Energy Interconnection Research InstituteBeijing 100220China the State Grid Jibei Electric Power Economic Research Institute Beijing 100038China State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of TechnologyTianjinChina the Guangzhou Power Supply Bureau of Guangdong Grid Co. Ltd.Guangzhou 510620China

The concept of a flexible power electronics substation(FPES)was first applied in the Zhangbei DC distribution network demonstration *** a multi-port power electronics transformer(PET)with different AC and DC voltage levels,the FPES has adopted a novel topology integrating modular multilevel converter(MMC)and four-winding medium frequency transformer(FWMFT)based multiport DC-DC converter,which can significantly reduce capacitance in each sub-module(SM)of a MMC and also save space and *** this paper,in order to accelerate speed of electromagnetic transient(EMT)simulations of FPES based hybrid AC/DC distribution systems,an averaged-value model(AVM)is proposed for efficient and accurate representation of *** that all SM capacitor voltages are perfectly balanced in the MMC,then the MMC behavior can be modeled using controlled voltage sources based on modulation voltages from control *** terms of the averaged current transfer characteristics among the windings of the FWMFT,we consider that all multiport DC-DC converters are controlled with the same dynamics,a lumped averaged model using controlled current and voltage sources has been developed for these four-port DC-DC converters connected to the upper or lower arms of the *** presented FPES AVM model has been tested and validated by comparison with a detailed IGBT-based EMT *** show that the AVM is significantly more efficient while maintaining its accuracy in an EMT simulation.

关键词： Averaged-value model(AVM) flexible power electronics substation(FPES) four-winding medium frequency transformer(FWMFT) hybrid AC/DC distribution systems modular multilevel converter(MMC) multiport DC-DC converter

Design and fabrication of bipolar plates for PEM water electrolyser

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Journal of Materials Science & Technology 2023年第15期146卷 19-41页

作者： Xiejing Luo Chenhao Ren Jie Song Hong Luo Kui Xiao Dawei Zhang Junjie Hao zhanfeng deng Chaofang Dong Xiaogang Li Beijing Advanced Innovation Center for Materials Genome Engineering Key Laboratory for Corrosion and Protection(MOE)Beijing 100083China Institute for Advanced Materials and Technology University of Science and Technology BeijingBeijing 100083China State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co.Ltd.Beijing 102209China

Hydrogen energy,whether in generation plants or utilization facilities,plays a decisive role in the mission to achieve net-zero greenhouse gas emissions,all to minimize *** growing demand for clean energy carrier steadily accelerates the development of hydrogen production processes,and therein proton exchange membrane(PEM)water electrolysis is deemed a promising long-term strategy for hydrogen preparation and *** review retrospects recent developments and applications of bipolar plates(BPs)as key components in PEM fuel cells and water *** main content includes multifaceted challenges in the R&D or fabrication of BPs and potential future trends have also been *** details cover the BPs matrix(metallic materials and carbon composites)and the surface coating types(metal and compound coatings,carbon-based coatings,and polymer coatings),as well as the influence of flow field design for mass ***-term development and feasible researches of BPs are *** in the following aspects:(1)Structural and functional integration of components,such as material fabrication and flow field geometry optimization using 3D printing technology;(2)Introduction of environment-friendly renewable energy for hydrogen production;(3)Research on hydrogen energy reversible systems;(4)Composition optimization of surface coatings based on computational materials science and(5)systematic design expected to evolve into the next generation of BPs.

关键词： PEM water electrolyser Bipolar plates Corrosion Coatings Interfacial contact resistance

A Three-phase Integrated Power Electronic Transformer with the Capability of DC Fault Clearance

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CSEE Journal of Power and Energy Systems 2021年第4期7卷 785-796页

作者： Yunfei Xu Guangfu Tang Weiguo Li Guoliang Zhao zhanfeng deng State Key Laboratory of Advanced Transmission Technology(Global Electricity Interconnection Research Institute Co.Ltd.) Changping DistrictBeijing 102211China

This paper presents a three-phase integrated power electronic transformer(PET)topology with the capability of DC fault clearance based on the investigation of PET *** proposed PET has three ports of high-voltage AC,high-voltage DC and low-voltage DC,which can achieve the flexible access of distributed energy resources・The power unit of the PET adopts a three-phase integrated topology,and the single-phase fluctuating power in the DC-link capacitor is reduced by a 4-port DC/DC converter,thereby reducing the capacitance of the DC-link capacitor;Meanwhile,the power unit uses the clamp double sub-module(CDSM)to allow for self-clearing of the short-circuit fault on the high-voltage DC ***,this paper verifies the proposed PET through an EMT simulation and experimental prototype.

关键词： DC fault clearing experimental verification power electronic transformer three phase integration

Current Control Strategy of Chain Circuit STATCOM

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中国电机工程学报 2012年第12期32卷 I0001-I0022页

作者： WANG Xuan FU Jian TENG Letian SUN Lijing ZHAO Ruibin WU Shouyuan deng zhanfeng China EPR/Science ＆ Technology Co. Ltd. Shanghai Municipal Electric Power Company

在链式静止同步补偿器（static synchronous compen-sator,STATCOM）小信号交流模型的基础上,提出简化的STATCOM电流控制闭环系统;分别对典型Ⅰ型、典型Ⅱ型控制系统的电流调节器进行参数优化及比较,分析表明,对于电流阶跃响应,系统处... 详细信息

在链式静止同步补偿器（static synchronous compen-sator,STATCOM）小信号交流模型的基础上,提出简化的STATCOM电流控制闭环系统;分别对典型Ⅰ型、典型Ⅱ型控制系统的电流调节器进行参数优化及比较,分析表明,对于电流阶跃响应,系统处于线性控制状态时超调量相对百分比不变,处于限幅非线性状态时超调量绝对值不变;采用比例调节器的典型I型系统稳态精度稍差,但动态控制精度较高,适合用于链式STATCOM工程装置;在a-b-c坐标系下仿真表明,应用优化设计的典型Ⅰ型系统控制参数,链式STATCOM输出电流可以快速跟踪参考值变化,具有良好的稳定性和跟踪精度。

关键词： STATCOM 电流控制策略链路静态同步补偿器跟踪精度控制系统动态模型稳定性

Operating conditions combination analysis method of optimal water management state for PEM fuel cell

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Green Energy and Intelligent Transportation 2023年第4期2卷 28-42页

作者： Wenxin Wan Yang Yang Yang Li Changjun Xie Jie Song zhanfeng deng Jinting Tan Ruiming Zhang School of Automation Wuhan University of TechnologyWuhan430070China Hubei Key Laboratory of Advanced Technology for Automotive Components Wuhan University of TechnologyWuhan430070China Department of Electrical Engineering Chalmers University of TechnologyGothenburg41258Sweden Modern Industry College of Artificial Intelligence and New Energy Vehicles Wuhan University of TechnologyWuhan430070China Global Energy Interconnection Research Institute Beijing102211China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan430070China Guangdong Hydrogen Energy Institute of Wuhan University of Technology Foshan528000China

The water content of proton exchange membrane fuel cells(PEMFCs)affects the transport of reactants and the conductivity of the *** water management measures can improve the performance and extend the lifespan of the fuel *** water management state of the stack is influenced by various external operating conditions,and optimizing the combination of these conditions can improve the water management state within the *** that the stack's internal resistance can reflect its water management state,this study first establishes an internal resistance-operating condition model that considers the coupling effect of temperature and humidity to determine the variation trend of total resistance and stack humidity with single-factor operating ***,the water management state optimization method based on the ANN-HGPSO algorithm is proposed,which not only quantitatively evaluates the influence weights of different operating conditions on the stack's internal resistance but also efficiently and accurately obtains the optimal combination of five operating conditions:working temperature,anode gas pressure,cathode gas pressure,anode gas humidity,and cathode gas humidity to achieve the optimal water management state in the stack,within the entire range of current ***,the response surface experimental results of the stack also validate the effectiveness and accuracy of the ANN-HGPSO *** method mentioned in this article can provide effective strategies for efficient water management and output performance optimization control of PEMFC stacks.

关键词： PEMFC Water management statue Internal resistance-operating condition model Operating condition optimization Response surface method

Compliance verification and probabilistic analysis of state-wide power quality monitoring data

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Global Energy Interconnection 2018年第3期1卷 391-395页

作者： Liu Yang Jiang Peng Tongxun Wang Yaqiong Li zhanfeng deng Yingying Liu Meng Tan State Grid Corporation of China State Key Laboratory of Advanced Power Transmission Technology Global Energy Interconnection Research Institute (GEIRI)

This paper introduces the implementation and data analysis associated with a state-wide power quality monitoring and analysis system in China. Corporation specifications on power quality monitors as well as on communication protocols are formulated for data transmission. Big data platform and related technologies are utilized for data storage and computation. Compliance verification analysis and a power quality performance assessment are conducted, and a visualization tool for result presentation is finally presented.

关键词： Power quality Monitoring Big data Hadoop Compliance verification

Design of Transformer Magnetic Bias Protection Device in High Power Electronic Equipments

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Journal of Electrical Engineering 2014年第2期2卷 75-81页

作者： Xi Lei Guizhi Xu zhanfeng deng Power Electronics Department State Grid Smart Grid Research Institute Beijing 102200 China

As the power electronics technology is widely used in the power system, it may also bring the DC component to the transformer operation, resulting in DC bias and may cause great harm to the transformer. In this article, the device to protect transformer from DC magnetic bias is designed. On the basis of load DC current, a magnetic bias protection device is developed by combination of current sensor, electric information collection circuit, signal filtering circuit, signal modulating circuits, fault feature judging circuit, automatic range tracking circuit, intelligent logic synthesis unit and implementation output circuit. By operating in temperature-rise test equipment in the high power electronic lab, the device is proved with reliability, high sensitivity and worthy of promotion and application.

关键词：电气控制控制理论电气测量集中参数