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Enhancing the performance of CaTiO3-GDC heterostructure electrolytes in LT-CFCs

Ceramics International 2025年第15期51卷 20131-20142页

作者： Li, Dongchen Cui, Yingying Hong, Xiaofang Shah, M.A.K. Yousaf Mushtaq, Naveed Rauf, Sajid Arshad, Naila Irshad, Sultan Alodhayb, Abdullah N. Yousaf, Muhammad Lu, Yuzheng Department of Electrical and Automation Shandong Labor Vocational and Technical College Jinan250300 China Jiangsu Provincial Key Laboratory of Solar Energy Science and Technology/Energy Storage Joint Research Center School of Energy and Environment Southeast University No.2 Si Pai Lou Nanjing210096 China College of Mechatronics and Control Engineering Shenzhen University Guangdong Province 518000 China School of Physics Electronics and Intelligent Manufacturing Huaihua University Hunan Huaihua418008 China College of Electronics and Information Engineering Shenzhen University Guangdong Province 518000 China Department of Physics and Astronomy College of Science King Saud University Riyadh11451 Saudi Arabia College of Chemistry and Environmental Engineering Shenzhen University Guangdong Province Shenzhen518055 China School of Electronic Engineering Nanjing Xiaozhuang University Nanjing211171 China

Designing ceramic fuel cells (CFCs) with fast ionic conduction and superior electrochemical performance at low temperatures is critical for advancing hydrogen applications. Here, we developed a heterostructure electrolyte by combining the ionic conductor Gd0.1Ce0.9O2 (GDC) with the semiconductor material CaTiO3 (CTO) to shape into the composite heterostructure (semiconductor ionic heterostructure) CTO-GDC. The designed heterostructure with different fermi levels established the depletion zone due to the redistribution of charges at the interface, leading to enhancement of the ionic conduction;meanwhile, the established built-in electric field suppresses the electronic conduction speed of the ion's transportation at the interface of the constructed heterostructure (CTO-GDC). The formation of heterostructure introduces a number of oxygen vacancies, as confirmed via x-ray photoelectron spectroscopy (XPS) and electron paramagnetic resonance (EPR), benefiting the transportation of ions in the composite heterostructure. The prepared composite heterostructure shows the highest power output of 810 mW/cm2 at a low operational temperature of 520 °C. The CTO-GDC shows high ionic conductivity of 0.17 S cm−1 at 520 °C and low activation energy of 0.785 eV at 520-420 °C. The composite containing a 50 % molar ratio of GDC and CTO demonstrated exceptional performance by successfully inhibiting electron transit, improving ionic conductivity, and achieving outstanding power output. The enhanced ionic conductivity with low activation energy of composite heterostructure suggests that designing a heterostructure seems an efficient approach to fuel cell application. © 2025

关键词： Paramagnetic resonance

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Synergistic improvement of grinding performance in form grinding of titanium alloys using laser combinatorial surface texturing

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Optics and Laser technology 2025年 189卷

作者： Zhang, Xiaohong Rong, Wentao Wen, Dongdong Jiang, Jie Shi, Zhaoyao He, Tianzhongsen Zhou, Ziyi Mahmoud Ibrahim, Ahmed Mohamed College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang414006 China Key Laboratory of Intelligent Manufacturing and Service Performance Optimization of Laser and Grinding in Mechanical Industry Yueyang414006 China College of Mechanical and Electrical Engineering Yueyang Vocational Technical College Yueyang414000 China Beijing Engineering Research Center of Precision Measurement Technology and Instruments Beijing University of Technology Beijing100124 China

Ti-6Al-4V has many applications in aerospace, medical devices, and other fields. However, the high hardness, high toughness, and low thermal conductivity of Ti-6Al-4V make it difficult to machine. In this paper, two ordinary textures and two combinatorial textures were designed on the surface of Ti-6Al-4V by laser ablation. Subsequently, form grinding experiments were conducted using a white corundum grinding wheel to compare the effects of untextured and different textures on the grinding performance of Ti-6Al-4V, including grinding force, surface morphology, surface roughness, edge morphology, and surface microhardness. The experimental results show that the grinding performance of workpieces with laser textures is all better than that of untextured workpieces. Among them, the combinatorial textured (DST1) workpieces showed the maximum reduction of tangential and normal forces by about 22 % and 29 %, respectively, the reduction of surface roughness by 20.1 %, and the increase of microhardness by 11.2 %. The results show that laser texturing of Ti-6Al-4V surfaces can improve grinding performance, enhance surface integrity, and realize efficient and low-damage machining. © 2025 Elsevier Ltd

关键词： Corundum

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Development of Customer Side Electric Safety Perception Module 5

Development of Customer Side Electric Safety Perception Modu...

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5th International Conference on Information Technologies and electrical Engineering, ICITEE 2022

作者： Xiao, Yu Liu, Xiaoping Xiao, Xiangqi Wu, Wenxian Luo, Yujian Peng, Pei Liu, Hongyu Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology Changsha China

ISBN: (纸本)9781450396806

With the development of power Internet of things, as an important sensing device at the end of the perception layer of the power Internet of things, the technical function of the smart meter is given more requirements;Aiming at the problems of electric shock, fire and other problems that endanger the safety of power grid and personal safety caused by the potential safety hazards of customer-side electricity consumption, improve the safety management ability of customer-side electricity consumption, and support the realization of considerable and controllable safety of customer-side electricity consumption, this paper proposes an electricity safety perception module that meets the technical specifications of the extended module of intelligent internet of things energy meter. © 2022 ACM.

关键词： Internet of things

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Implementation of Asset Inventory Model Based on intelligent Algorithm 4

Implementation of Asset Inventory Model Based on Intelligent...

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4th IEEE Global Conference for Advancement in technology, GCAT 2023

作者： Ye, Liuqing Zhang, Canhui Zhao, Dan Bu, Longmin Xu, Huiting Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology Changsha410004 China

ISBN: (纸本)9798350305258

Asset inventory is an important part of internal management in an organization, and it is of great significance for the smooth operation and normal development of the organization. The traditional manual inventory method has problems of low inventory efficiency and low accuracy. The asset inventory model based on intelligent algorithms can overcome the shortcomings of traditional methods and improve inventory efficiency and accuracy. This article introduces the implementation process of an asset inventory model based on deep learning algorithms. Firstly, the YOLOv4 algorithm is used for object detection to obtain the position and category information of the target object in the asset image. Then, the Faster R-CNN algorithm is used to locate the target, further improving accuracy. Finally, a neural network model trained on large-scale data is used to classify, recognize, and count assets. Using the actual data, this paper constructs the optimal portfolio model based on different risk measures and termination conditions: the maximization model of unit risk return, the VaR risk control model, and the risk return preference model. Genetic algorithm and Simulated annealing algorithm are used to optimize the model. Through experimental verification, the recognition rate of this model reaches over 90%, and the inventory efficiency and accuracy are greatly improved compared to traditional manual inventory methods. In summary, asset inventory models based on intelligent algorithms have unique advantages in inventory efficiency and accuracy, and have broad application prospects in the future. © 2023 IEEE.

关键词： genetic algorithm Mathematical finance optimal portfolio simulated annealing algorithm

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Energy Loss Analysis of Distributed Rooftop Photovoltaics in Industrial Parks

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Energy Engineering 2023年第2期120卷 511-527页

作者： Yu Xiao Kai Li HongqiaoHuang Haibo Tan Hua Li State Grid Hunan Electric Power Corporation Limited ChangshaChina Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology ChangshaChina Hunan Institute of Metrology and Inspection ChangshaChina

The analysis of the loss of distributed photovoltaic power generation systems involves the interests of energy users,energy-saving service companies,and power grid companies,so it has always been the focus of the industry and society in some manner or ***,the related analysis for an actual case that considers different cooperative corporations’benefits is lacking in the presently available *** paper takes the distributed rooftop photovoltaic power generation project in an industrial park as the object,studies the analysis and calculation methods of line loss and transformer loss,analyzes the change of transformer loss under different temperatures and different load rates,and compares the data and trend of electricity consumption and power generation in industrial parks before and after the photovoltaic *** paper explores and practices the analysis method of the operating loss of distributed photovoltaic power generation and provides an essential reference for the benefit analysis and investment cost estimation of distributed photovoltaic power generation systems in industrial *** analyzed results reveal that the change loss is stable after the photovoltaic is connected,and there is no additional transformer *** before and after the photovoltaic system installation,there was no significant change in the total monthly data difference between the total meter and the sub-meter.

关键词： Distributed photovoltaic generation line loss transformer loss power generation

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Design of power tester for HPLC power line carrier communication module 2

Design of power tester for HPLC power line carrier communica...

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2019 2nd International Symposium on Power Electronics and Control Engineering, ISPECE 2019

作者： Yu, Minqi Tang, Yun Huang, Rui Liu, Mouhai Yang, Maotao Changsha Hunan410000 China Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology Changsha Hunan410000 China

The current equipment used to test the power consumption of power line carrier communication modules not only has low dynamic power consumption, but also fails to meet the accuracy requirements for AC power tests. Based on a careful analysis of the key technologies of the dynamic power test of the communication module, this paper designs a power tester. This paper introduces the working principle of the power tester, discusses the corresponding circuit design scheme from two aspects of DC power consumption and AC power consumption, and analyzes the calculation methods of the two in detail. Finally, the test results of each test system are compared and analyzed. The power tester can achieve higher accuracy data testing. © Published under licence by IOP Publishing Ltd.

关键词： Electric power utilization

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Research on Docker Container Network Isolation and Security Management for Multi-Tenant Environments

Research on Docker Container Network Isolation and Security ...

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2023 International Conference on Communication Network and Machine Learning, CNML 2023

作者： Zeng, Weijie Fan, Rui Wang, Zhi Xiao, Yu Huang, Rui Liu, Mouhai Hunan Changsha410004 China Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology Hunan Changsha410004 China

ISBN: (纸本)9798400716683

This paper establishes a portal middleware platform for multi-tenant environments that can support higher tenant density and reduce the cost of software management and maintenance. It analyzes the advantages of Docker containers compared with traditional virtual machines in running applications, and introduces the whole architecture of Docker containers. By virtue of the multi-level security container isolation mechanism to achieve effective isolation and management of resources, it can effectively protect the security and integrity of the shared data between containers, and establish a configuration file-based shared data volume security isolation scheme CMAC. realize the fine-grained access control and isolation of the shared data volume. Experimental results show that the defense posture assessment accuracy of the multilevel security container isolation method proposed in this paper reaches more than 92%, and the efficiency of network security defense posture assessment, is always above 87%. It shows that the proposed method can isolate the script virus in a timely and effective manner. © 2023 ACM.

关键词： Containers

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Research on the Source-Load Interactive Scheduling Strategy for Modern Industrial Parks 2

Research on the Source-Load Interactive Scheduling Strategy ...

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2019 2nd International Symposium on Power Electronics and Control Engineering, ISPECE 2019

作者： Haibo, Tan Kai, Li Mouhai, Liu Haiyuan, Wang Cong, Tan Zhiguo, Liu Changsha410004 China Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology Changsha410004 China

Aiming at the problems of diversified demand for electricity, high rate of load growth, limited distribution network corridor and single power supply mode in industrial parks, this paper explores a new scheduling strategy, studies a mechanism of source-load interactive scheduling for modern industrial parks, and puts forward three scheduling strategies, namely, optimal electricity price, friendly power grid and enhanced production. The strategy has been applied in a smart industrial park of hunan Power Grid. The application results show that the method can effectively improve the power supply capacity of the modern industrial parks, reduce the total cost of electricity, and enhance the load rate of distribution transformers, and it also has high economic and practical value. © Published under licence by IOP Publishing Ltd.

关键词： Scheduling

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A Method and System for Evaluating Health Status of Low-voltage Power Supply Lines Based on Clustering Algorithm 4

A Method and System for Evaluating Health Status of Low-volt...

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4th International Conference on Information Technologies and electrical Engineering, ICITEE 2021

作者： Yu, Minqi Huang, Rui Liu, Qin Zeng, Wenwei Yang, Maotao Grid Hunan Electric Power Corporation Limited China Hunan Province Key Laboratory Of Intelligent Electrical Measurement And Application Technology China

ISBN: (纸本)9781450386494

In order to solve the problems of complex evaluation process and slow processing speed of existing low-voltage power supply line health evaluation methods, an evaluation method of low-voltage power supply lines health status based on Fuzzy C-Mean (FCM) clustering algorithm and Euclidean distance is proposed. First, the voltage and current values before and after the voltage and current changes are collected according to the equivalent circuit diagram of the low-voltage power supply lines, the loop impedance is obtained by the voltage and current values before and after the change. Then the loop impedance of a single user is clustered using the FCM clustering algorithm to find out the data that may have abnormal health conditions. Finally, based on the Euclidean distance, the above-mentioned data that may have abnormal health conditions are analyzed again to further determine whether the line is abnormal. The results of the case analysis show that this method has the advantages of accurate impedance data measurement, less workload, and ensuring normal power supply for users. © 2021 ACM.

关键词： Clustering algorithms

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A Comprehensive Analysis Method for Optimal Configuration of Smart Meter Data Collector Based on PSO-BP Algorithm 4

A Comprehensive Analysis Method for Optimal Configuration of...

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4th International Conference on Information Technologies and electrical Engineering, ICITEE 2021

作者： Yu, Minqi Shen, Liman Yang, Maotao Xie, Linjin He, Xing Wei, Shumin Grid Hunan Electric Power Corporation Limited China Hunan Province Key Laboratory Of Intelligent Electrical Measurement And Application Technology China

ISBN: (纸本)9781450386494

Aiming at the current electric power industry's problems related to the unreasonable configuration of smart meter data collectors and the smart meter measurement technology, this paper proposes a comprehensive analysis method for the optimal configuration of smart meter data collectors based on the PSO-BP neural network prediction model. Through the analysis of historical data in the station area, PSO is used to optimize the index. The database is established to import the BP neural network algorithm and training, and then the prediction of the station area to be configured with the data collector is completed. The experimental case proves that the above steps can reasonably configure the collector in the station area and optimize the data collection of the smart meter. While realizing convenient and effective data transmission, it also guarantees a certain degree of economy. © 2021 ACM.

关键词： Particle swarm optimization (PSO)

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