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A surface engineering strategy for the stabilization of zinc metal anodes with montmorillonite layers toward long-life rechargeable aqueous zinc ion batteries

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Journal of energy Chemistry 2025年第1期100卷 94-105页

作者： Wenbo Wang Ruifeng Xu Xu Zhang Peiyu Wang Bao Yang Bingjun Yang Juan Yang Kailimai Su Pengjun Ma Yanan Deng Xianfeng Fan Wanjun Chen Key Laboratory for electronic Materials College of Electrical Engineering Northwest Minzu University Resource Chemistry and energy Materials Research Center State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical Physics Chinese Academy of Sciences University of Chinese Academy of Sciences Institute for Materials and Processes School of Engineering University of Edinburgh

Rechargeable aqueous zinc-ion batteries （AZIBs） exhibit appreciable potential in the domain of electrochemical energy ***,there are serious challenges for AZIBs,for instance zinc dendrite growth,hydrogen evolution reaction （HER）,and corrosion side ***,we propose a surface engineering modification strategy for coating the montmorillonite （MMT） layer onto the surface of the Zn anode to tackle these issues,thereby achieving high cycling stability for rechargeable *** results reveal that the MMT layer on the surface of the Zn anode is able to provide ordered zincophilic channels for zinc ions migration,facilitating the reaction kinetics of zinc *** functional theory（DFT） calculations and water contact angle （CA） tests prove that MMT@Zn anode exhibits superior adsorption capacity for Zn2+and better hydrophobicity than the bare Zn anode,thereby achieving excellent cycling ***,the MMT@Zn||MMT@Zn symmetric cell holds the stable cycling over 5600 h at 0.5 mA cm-2and 0.125 m A h cm-2,even exceeding 1800 h long cycling under harsh conditions of 5 m A cm-2and 1.25 m A h *** MMT@Zn||V2O5full cell reaches over 3000 cycles at 2 A g-1with excellent rate ***,this surface engineering modification strategy for enhancing the electrochemical performance of AZIBs represents a promising application.

关键词： Surface engineering strategy Montmorillonite layer Protection mechanism of Zn anode Cycling stability Aqueous zinc ion batteries

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A Novel Self-Supervised Learning Network for Binocular Disparity Estimation

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Computer Modeling in engineering & Sciences 2025年第1期142卷 209-229页

作者： Jiawei Tian Yu Zhou Xiaobing Chen Salman A.AlQahtani Hongrong Chen Bo Yang Siyu Lu Wenfeng Zheng Department of Computer Science and engineering Major in Bio Artificial IntelligenceHanyang UniversityAnsan-si15577Republic of Korea school of electrical and Computer engineering Louisiana State UniversityBaton RougeLA 70803USA Department of Computer engineering College of Computer and Information SciencesKing Saud UniversityRiyadh11574Saudi Arabia school of Automation University of Electronic Science and Technology of ChinaChengdu610054China

Two-dimensional endoscopic images are susceptible to interferences such as specular reflections and monotonous texture illumination,hindering accurate three-dimensional lesion reconstruction by surgical *** study proposes a novel end-to-end disparity estimation model to address these *** approach combines a Pseudo-Siamese neural network architecture with pyramid dilated convolutions,integrating multi-scale image information to enhance robustness against lighting *** study introduces a Pseudo-Siamese structure-based disparity regression model that simplifies left-right image comparison,improving accuracy and *** model was evaluated using a dataset of stereo endoscopic videos captured by the Da Vinci surgical robot,comprising simulated silicone heart sequences and real heart video *** results demonstrate significant improvement in the network’s resistance to lighting interference without substantially increasing ***,the model exhibited faster convergence during training,contributing to overall performance *** study advances endoscopic image processing accuracy and has potential implications for surgical robot applications in complex environments.

关键词： Parallax estimation parallax regression model self-supervised learning Pseudo-Siamese neural network pyramid dilated convolution binocular disparity estimation

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Machine Learning Based Uncertainty-alleviating Operation Model for Distribution Systems with energy Storage

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Journal of Modern Power Systems and Clean energy 2024年第5期12卷 1605-1616页

作者： Xi Lu Xinzhe Fan Haifeng Qiu Wei Gan Wei Gu Shiwei Xia Xiao Luo school of electrical engineering Southeast UniversityNanjing 210096China school of electrical and electronic engineering Nanyang Technological UniversitySingapore 639798Singapore school of engineering Cardiff UniversityCardiff CF243AAU.K. school of electrical and electronic en gineering North China Electric Power UniversityBeijing 102206China

In this paper,an operation model for distribution systems with energy storage(ES)is proposed and solved with the aid of machine *** model considers ES applications with uncertainty *** also considers ES applications for economy and security *** the special features of ES operations under day-ahead decision mechanisms of distribution systems,an ES operation scheme is designed for transferring uncertainties to later hours through ES to ensure the secure operation of distribution *** a result,uncertainties from different time intervals are assembled and may counteract each other,thereby alleviating the *** different ES applications rely on ES flexibility(in terms of charging and discharging)and interact with each other,by coordinating different ES applications,the proposed operation model achieves efficient exploit of ES *** shorten the computation time,a long short-term memory recurrent neural network is used to determine the binary variables corresponding to ES *** proposed operation model then becomes a convex optimization problem and is solved ***,the solving efficiency is greatly improved while ensuring the satisfactory use of ES flexibility in distribution system operation.

关键词： Distribution system energy storage machine learning uncertainty

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Distinct MLT asymmetry of auroral kilometric radiation observed by the FAST satellite

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Earth and Planetary Physics 2025年第1期9卷 188-193页

作者： JiaWen Tang Sai Zhang FuLiang Xiao HongMing Yang Si Liu YiHua He Chang Yang YuYue Jin ZhouKun Deng Ping Li Archie James Johnston school of Physics and electronic Sciences Changsha University of Science and TechnologyChangsha 410114China Hunan Province Higher Education Key Laboratory of Modeling and Monitoring on the Near-Earth Electromagnetic environments Changsha University of Science and TechnologyChangsha 410114China school of electrical and Information engineering Changsha University of Science and TechnologyChangsha 410114China

Auroral Kilometric Radiation(AKR)is a common radio emission,which can contribute to the magnetosphere−ionosphere−atmosphere *** emissions have been observed in all magnetic planet magnetospheres of the solar *** this study,using observations from the FAST satellite from 30 August 1996 to 9 September 2001,the distribution of AKR in altitude=500−4500 km and invariant latitude(|ILAT|)=60°−80°has been analyzed.63045 AKR samples have been identified with~48%(52%)samples on the dayside(nightside).Of considerable interest,there is a distinct MLT asymmetry with the high occurrence rate in MLT=05−08 and 18−22(02−05 and 12−17)in the northern(southern)*** distinct MLT asymmetry is associated with the direction of Bxof the interplanetary magnetic *** addition,the occurrence rate on the nightside clearly increases as the index *** study further enriches *** and understanding of AKR in the magnetosphere as well as other similar radio emissions.

关键词： asymmetry auroral kilometric radiation interplanetary magnetic field

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Distributed State and Fault Estimation for Cyber-Physical Systems Under DoS Attacks

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IEEE/CAA Journal of Automatica Sinica 2025年第1期 261-263页

作者： Limei Liang Rong Su Haotian Xu the school of Control Science and engineering Shandong University IEEE the school of electrical and electronic engineering Nanyang Technological University

Dear Editor,The letter deals with the distributed state and fault estimation of the whole physical layer for cyber-physical systems(CPSs) when the cyber layer suffers from DoS attacks. With the advancement of embedded computing, communication and related hardware technologies, CPSs have attracted extensive attention and have been widely used in power system, traffic network, refrigeration system and other fields.

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Constructing a V2G-enabled Regional energy Internet for Cost-efficient Carbon Trading

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CSEE Journal of Power and energy Systems 2020年第1期6卷 31-40页

作者： Jianxiao Wang Zhaoyuan Wu Ershun Du Ming Zhou Gengyin Li Yining Zhang Le Yu school of electrical and electronic en-gineering North China Electric Power UniversityBeijing 102206China State Key Lab of Power Systems Department of Electrical EngineeringTsinghua UniversityBeijing 100084China Zhidao Hechuang Tech Co.Ltd. Beijing 100101China

The increasing penetration of plug-in electric ve- hicles (PEVs) has highlighted the importance of coordinating ubiquitous distributed energy resources (DERs) via the internet of things (IoT).With the help of vehicle-to-grid (V2G) technology, PEVs can be aggregated to behave as a storage system, yielding both economic and environmental benefits. In this paper, we propose an optimal bidding framework for a V2G-enabled re- gional energy internet (REI) to participate in day-ahead markets considering carbon trading. The REI operator aims to maximize the net profits from day-ahead markets while anticipating real- time adjustments. A detailed battery model is developed to depict the charging and discharging capability of V2G-enabled PEVs. A two-stage stochastic optimization model is formulated to schedule the operation of PEV fleets against various sources of uncertainties, e.g., the arrival and departure time of PEVs, solar power and real-time prices. Case studies undertaken based on realistic datasets demonstrate that the coordination of the V2G- enabled PEVs and other DERs can facilitate the accommodation of renewable energy, thus improving the REI’s revenues in energy and carbon markets.

关键词： Carbon trading internet of things market bidding regional energy internet vehicle-to-grid

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Feasibility of chipscale integration of single-photon switched digital loop buffer

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Chip 2022年第4期1卷 22-28页

作者： Xiaoxi Wang Shayan Mookherjea University of California San DiegoDepartment of Electrical and Computer En-gineeringLa JollaCalifornia 92093-0407USA

A strategy for realizing a microchip-scale single-photon digital loop buffer controlled by low-voltage electronic signals was studied in the context of integrated photonics.A potential implementation for bridg-ing a gap between other technologies used a recirculating loop archi-tecture based on advances in low-loss passive waveguides and a fast electro-optic add-drop *** the requirements of single-photon buffers are demanding,our analysis suggested that a voltage-controlled,room-temperature catch-and-store short-term quantum memory for light on a chip may be feasible in certain regimes.

关键词： Quantum optics Integrated photonics Electro-optic devices

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Mutator for transferring a memristor emulator into meminductive and memcapacitive circuits

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Chinese Physics B 2014年第7期23卷 366-376页

作者：于东升梁燕 Herbert H.C.Iu 胡义华 school of Information and electrical engineering China University of Mining and Technology school of electrical Electronic and Computer EngineeringThe University of Western Australia school of electronic and electrical engineering University of Strathclyde

In this paper, a concise but effective interface circuit for transforming a memristor into meminductive and memcapac- itive systems is designed. This newly proposed interface circuit, constructed by only two current conveyors, is equipped with three available ports, which can provide six connecting combinations in terms of one resistor, one capacitor, and one memristor. For the sake of confirming the design effectiveness, theoretical and simulation discussions are hence introduced and all the experimental waveforms provide conclusive evidence to validate the correctness of these new mutators. The most attractive features of this new interface circuit are the floating terminals and convenient practical implementation.

关键词： memristor meminductive memcapacitive self-excited oscillator

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Key design parameters and optimum method of medium- and high-velocity synchronous induction coilgun based on orthogonal experimental design

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Chinese Physics B 2019年第2期28卷 202-209页

作者： Kai-Pei Liu Xiao-Bo Niu Ya-Dong Zhang Zeng-Chao Ji Jian-Yuan Feng Wen-Qi Li school of electrical engineering Wuhan University electronic Information school Wuhan University College of electrical and electronic engineering Shandong University of Technology

The energy conversion efficiency of a multistage synchronous induction coilgun(MSSICG) has become one of the key factors that restricts its industrialization. To improve the launch efficiency of medium-and high-velocity MSSICG,we propose an optimization design scheme combining orthogonal experimental design(OED) and self-consistent design method in this paper. The OED is introduced to reduce the number of iterations and improve the identification accuracy and efficiency. A self-consistent design model is established to overcome a defect that the parameters that need to be optimized will multiply as the number of coil stages increases. The influence of six factors(radial thickness of armature, axial length of armature, axial length of coil, capacitance, wire diameter, and slip speed) on the launch efficiency are then evaluated by range analysis. This work presents a valuable reference for optimizing medium-and high-velocity MSSICG.

关键词： multistage synchronous induction coilgun(MSSICG) self-consistent design orthogonal experimental design(OED) range analysis

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Frequency-selective microwave polarization rotator using substrate-integrated waveguide cavities

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Chinese Physics B 2014年第3期23卷 232-237页

作者：左钰沈忠祥冯一军 school of electronic Science and engineering Nanjing University school of electrical and electronic engineering Nanyang Technological University

A frequency selective polarization rotator that can rotate the polarization angle of an incident electromagnetic wave at the microwave frequency by 45 is presented. The polarization rotator is based on a two-dimensional periodic array of substrate integrated waveguide cavities, realizing the polarization rotation by coupling the input signal to the output wave through three metallic slots. Two layers of frequency selective surfaces are cascaded by substrate and form the polarization rotator. A vertical slot on the top layer is used to select the horizontal polarization from the incident wave, the vertical and the horizontal slots on the bottom layer are, respectively, used to obtain horizontally and vertically polarized outgoing waves. The two orthogonal outgoing waves are combined to result in the 45~ polarized wave. Both full wave simulation and experimental measurement are carried out, together validating the proposed method.

关键词： polarization rotator substrate integrated waveguide (SIW) frequency selective surface (FSS)

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