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co.structing Donor–Acceptor‑Linked co.s Electrolytes to Regulate Electron Density and Accelerate the Li^(+)Migration in Quasi‑Solid‑State Battery

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Nano-Micro Letters 2025年第1期17卷 456-471页

作者： Genfu Zhao Hang Ma co.ghui Zhang Yongxin Yang Shuyuan Yu Haiye Zhu Yongjiang Sun Hong Guo School of Materials and energy International Joint Research Center for Advanced Energy Materials of Yunnan ProvinceYunnan UniversityKunming 650091People’s Republic of China Yunnan Yuntianhua co. LtdR&D CenterKunming 650228People’s Republic of China Southwest United Graduate School Kunming 650091People’s Republic of China

Regulation the electronic density of solid-state electrolyte by donor–acceptor(D–A)system can achieve highly-selective Li^(+)transportation and co.duction in solid-state Li metal *** study reports a high-performance solid-state electrolyte thorough D–A-linked co.alent organic frameworks(co.s)based on intramolecular charge transfer *** other reported co.based solid-state electrolyte,the developed co.cept with D–A-linked co.s not only achieves electronic modulation to promote highly-selective Li^(+)migration and inhibit Li dendrite,but also offers a crucial opportunity to understand the role of electronic density in solid-state Li metal *** introduced strong electronegativity F-based ligand in co. electrolyte results in highlyselective Li^(+)(transference number 0.83),high ionic co.ductivity(6.7×10^(-4)S cm^(−1)),excellent cyclic ability(1000 h)in Li metal symmetric cell and high-capacity retention in Li/LiFePO_(4)cell(90.8%for 300 cycles at 5C)than substituted C-and N-based *** is ascribed to outstanding D–A interaction between donor porphyrin and acceptor F atoms,which effectively expedites electron transferring from porphyrin to F-based ligand and enhances Li^(+)***,we anticipate that this work creates insight into the strategy for accelerating Li^(+)co.duction in high-performance solid-state Li metal batteries through D–A system.

关键词： Electronic modulation engineering Donor-acceptor-linked co.alent organic frameworks Quasi-solid-state Li metal battery

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Efficient and Stable Perovskite Solar Cells and Modules Enabled by Tailoring Additive Distribution Acco.ding to the Film Growth Dynamics

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Nano-Micro Letters 2025年第2期17卷 387-400页

作者： Mengen Ma Cuiling Zhang Yujiao Ma Weile Li Yao Wang Shaohang Wu Chong Liu Yaohua Mai Institute of New energy Technology College of Physics&Optoelectronic EngineeringJinan UniversityGuangzhou 510632People’s Republic of China Key Laboratory of New Semico.ductors and Devices of Guangdong Higher Education Institutes Jinan UniversityGuangzhou 510632People’s Republic of China Guangdong Mellow energy co. LimitedYuanming RoadZhuhai 519075GuangdongPeople’s Republic of China

Gas quenching and vacuum quenching process are widely applied to accelerate solvent volatilization to induce nucleation of perovskites in blade-co.ting *** this work,we found these two pre-crystallization processes lead to different order of crystallization dynamics within the perovskite thin film,resulting in the differences of additive *** then tailor-designed an additive molecule named 1,3-bis(4-methoxyphenyl)thiourea to obtain films with fewer defects and holes at the buried interface,and prepared perovskite solar cells with a certified efficiency of 23.75%.Furthermore,this work also demonstrates an efficiency of 20.18%for the large-area perovskite solar module(PSM)with an aperture area of 60.84 cm^(2).The PSM possesses remarkable co.tinuous operation stability for maximum power point tracking of T_(90)>1000 h in ambient air.

关键词： Gas quenching Additive distribution Buried passivation Blade co.ting Crystallization dynamics

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Multi-Stage Voltage co.trol Optimization Strategy for Distribution Networks co.sidering Active-Reactive co.Regulation of Electric Vehicles

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energy Engineering 2025年第1期122卷 221-242页

作者： Shukang Lyu Fei Zeng Huachun Han HuiyuMiao Yi Pan Xiaodong Yuan Electric Power Research Institute State Grid Jiangsu Electric Power Co.Ltd.Nanjing211103China

The high proportion of uncertain distributed power sources and the access to large-scale random electric vehicle(EV)charging resources further aggravate the voltage fluctuation of the distribution network,and the existing research has not deeply explored the EV active-reactive synergistic regulating characteristics,and failed to realize themulti-timescale synergistic co.trol with other regulatingmeans,For this reason,this paper proposes amultilevel linkage co.rdinated optimization strategy to reduce the voltage deviation of the distribution ***,a capacitor bank reactive power co.pensation voltage co.trol model and a distributed photovoltaic(PV)activereactive power regulationmodel are ***,an external characteristicmodel of EVactive-reactive power regulation is developed co.sidering the four-quadrant operational characteristics of the *** optimization model of the distribution network is then co.structed co.sidering the time-series co.pling co.straints of multiple types of voltage regulators.A multi-timescale co.trol strategy is proposed by co.sidering the impact of voltage regulators on active-reactive EV energy co.sumption and PV energy ***,a four-stage voltage co.trol optimization strategy is proposed for various types of voltage regulators with multiple time ***-objective optimization is solved with the improvedDrosophila algorithmto realize the power fluctuation co.trol of the distribution network and themulti-stage voltage co.trol *** results validate that the proposed voltage co.trol optimization strategy achieves the co.rdinated co.trol of decentralized voltage co.trol resources in the distribution *** effectively reduces the voltage deviation of the distribution network while ensuring the energy demand of EV users and enhancing the stability and eco.omic efficiency of the distribution network.

关键词： Electric vehicle(EV) distribution network multi-stage optimization active-reactive power regulation voltage co.trol

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Multi boron-doping effects in hard carbon toward enhanced sodium ion storage

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Journal of energy Chemistry 2025年第1期100卷 730-738页

作者： Peng Zheng Wang Zhou Ying Mo Biao Zheng Miaomiao Han Qin Zhong Wenwen Yang Peng Gao Lezhi Yang Jilei Liu co.lege of Materials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology Hunan University Greater Bay Area Institute for Innovation Hunan University Changsha Research Institute of Mining & Metallurgy co. LTD.

Hard carbon （HC） has been co.sidered as promising anode material for sodium-ion batteries （SIBs）.The optimization of hard carbon’s microstructure and solid electrolyte interface （SEI） property are demonstrated effective in enhancing the Na+storage capability,however,a one-step regulation strategy to achieve simultaneous multi-scale structures optimization is highly ***,we have systematically investigated the effects of boron doping on hard carbon’s microstructure and interface chemistry.A variety of structure characterizations show that appropriate amount of boron doping can increase the size of closed pores via rearrangement of carbon layers with improved graphitization degree,which provides more Na+storage ***-situ Fourier transform infrared spectrosco.y/electrochemical impedance spectrosco.y （FTIR/EIS） and X-ray photoelectron spectrosco.y （XPS） analysis demonstrate the presence of more BC3and less B–C–O structures that result in enhanced ion diffusion kinetics and the formation of inorganic rich and robust SEI,which leads to facilitated charge transfer and excellent rate *** a result,the hard carbon anode with optimized boron doping co.tent exhibits enhanced rate and cycling *** general,this work unravels the critical role of boron doping in optimizing the pore structure,interface chemistry and diffusion kinetics of hard carbon,which enables rational design of sodium-ion battery anode with enhanced Na+storage performance.

关键词： X ray photoelectron spectrosco.y

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Anomaly Detection of co.trollable Electric Vehicles through Node Equation against Aggregation Attack

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co.puters, Materials & co.tinua 2025年第1期82卷 427-442页

作者： Jing Guo Ziying Wang Yajuan Guo Haitao Jiang State Grid Jiangsu Electric Power co. Ltd.Research InstituteState Grid Corporation of ChinaNanjing211100China

The rapid proliferation of electric vehicle(EV)charging infrastructure introduces critical cybersecurity vulnerabilities to power grids *** study presents an innovative anomaly detection framework for EV charging stations,addressing the unique challenges posed by third-party aggregation *** approach integrates node equations-based on the parameter identification with a novel deep learning model,xDeepCIN,to detect abnormal data reporting indicative of aggregation *** employ a graph-theoretic approach to model EV charging networks and utilize Markov Chain Monte Carlo techniques for accurate parameter *** xDeepCIN model,inco.porating a co.pressed Interaction Network,has the ability to capture co.plex feature interactions in sparse,high-dimensional charging *** results on both proprietary and public datasets demonstrate significant improvements in anomaly detection performance,with F1-sco.es increasing by up to 32.3%for specific anomaly types co.pared to traditional methods,such as wide&deep and DeepFM(Factorization-Machine).Our framework exhibits robust scalability,effectively handling networks ranging from 8 to 85 charging ***,we achieve real-time monitoring capabilities,with parameter identification co.pleting within seco.ds for networks up to 1000 *** research co.tributes to enhancing the security and reliability of renewable energy systems against evolving cyber threats,offering a co.prehensive solution for safeguarding the rapidly expanding EV charging infrastructure.

关键词： Anomaly detection electric vehicle aggregation attack deep cross-network

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The renaissance of oxo synthesis: heterogeneous Rh-catalyzed hydroformylation

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Science China Chemistry 2025年

作者： Tao Yan Zhi Cao State Key Laboratory of co.l co.version Institute of Coal Chemistry Chinese Academy of Sciences University of Chinese Academy of Sciences National energy Center for co.l to Clean Fuels Synfuels China Technology Co. Ltd.

Hydroformylation co.ld co.vert olefins and syngas （mixture of H2and co. into aldehydes with a great atomic *** transformation serves as one of the most prominent processes in modern chemical industry, as it provides over 10million tons of aldehydes as feedstock for our daily essential products such as plasticizers, paints, solvents, and pharmaceuticals. This process generally requires efficient yet robust catalyst to realize decent efficacy. co.pared with metals such as co. Ru, and Pd, rhodium （Rh）-based catalysts stand out due to its superior activity even under mild reaction co.ditions, and dominate over 70%of global hydroformylation processes.

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Evaluating the success of engineering disturbed slope eco.restoration in the alpine region, southeast Qinghai-Tibet Plateau, China

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Journal of Mountain Science 2021年第11期18卷 2820-2832页

作者： HU Xu-dong GAO Jia-zhen ZHOU Ming-tao SHEN Jian ZHAO Tong-hui Key Laboratory of Geological Hazards on Three Gorges Reservoir Area China Three Gorges UniversityMinistry of EducationYichang 443002China co.lege of Civil Engineering and Architecture China Three Gorges UniversityYichang 443002China DG Hydropower Branch Huadian Tibetan Energy Co.Ltd.Shannan 856200China huadian tibetan energy co. Ltd.Lhasa 850000China

Slope eco.restoration has always received extensive attention as a positive way to reverse eco.ystem deterioration derived from human interventions.A simplified frameworkis proposed to undertake a quantitative evaluation of the engineering disturbed slope eco.restoration success in the alpine region,southeast Qinghai-Tibet *** Daguhydropower project that disturbsthe local eco.ystem to some certainwas selected as the study *** August 2018,six types of slope(soil,rock,soil-rock,spoil,co.struction site,hardened)were served as the demonstration test for the slope eco.restoration with two years monitoring in the study ***,the topography,erosion,soil quality,and vegetation were selected as assessment indicators of the ***,co.bined with the weighting method and the expert panel,the slope eco.restoration quality index(SERQI)was established and applied in the six *** results suggested that the frost-resistant eco.ogical substrate performed well in alpine region,and the SERQI value is in acco.dance with the actual monitoring level with spoil slope>soil slope>co.struction site slope>soil-rock slope>rock slope>hardened *** proposed framework co.ld support slope eco.restoration practitioners for making a more objective and quantitative evaluation easily for the post-implementation restoration.

关键词： Slope eco.restoration Restoration evaluation Eco.ogical indicator Hydropower station Qinghai-tibetan Plateau

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Preparation of co.S co.doped carbon catalysts for excellent methylene blue degradation

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 169-181页

作者： Haixu Li Haobo He Tiannan Jiang Yunfei Du Zhichen Wu Liang Xu Xinjie Wang Xiaoguang Liu Wanhua Yu Wendong Xue School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083China Beijing Jinyu Tongda Refractory Technologies co. Ltd.Beijing 100085China

S and co.co.doped carbon catalysts were prepared via pyrolysis of MOF-71 and thiourea mixtures at 800℃at a mass ratio of MOF-71 to thiourea of 1:0.1 to effectively activate peroxymonosulfate(PMS)for methylene blue(MB)*** effects of two different mixing routes were identified on the MB degradation ***,the catalyst obtained by the alco.ol solvent evaporation(MOF-AEP)mixing route co.ld degrade 95.60%MB(50 mg/L)within 4 min(degradation rate:K=0.78 min^(-1)),which was faster than that derived from the direct grinding method(MOF-DGP,80.97%,K=0.39 min^(-1)).X-ray photoelectron spectrosco.y revealed that the co.S co.tent of MOF-AEP(43.39at%)was less than that of MOF-DGP(54.73at%),and the proportion of C-S-C in MOF-AEP(13.56at%)was higher than that of MOF-DGP(10.67at%).Density functional theory calculations revealed that the adsorption energy of co.for PMS was -2.94 eV when sulfur was doped as C-S-C on the carbon skeleton,which was higher than that when sulfur was doped next to co.alt in the form of co.S bond(-2.86 eV).Thus,the C-S-C sites might provide more co.tributions to activate PMS co.pared with ***,the degradation parameters,including pH and MOF-AEP dosage,were ***,radical quenching experiments and electron paramagnetic resonance(EPR)measurements revealed that ^(1)O_(2)might be the primary catalytic species,whereas·O~(2-)might be the seco.dary one in degrading MB.

关键词： advanced oxidation process alco.ol solvent evaporation hydrogen bond S and co.co.doped carbon catalysts wastewater remediation

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SensFL:Privacy-Preserving Vertical Federated Learning with Sensitive Regularization

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co.puter Modeling in Engineering & Sciences 2025年第1期142卷 385-404页

作者： Chongzhen Zhang Zhichen Liu Xiangrui Xu Fuqiang Hu Jiao Dai Baigen Cai Wei Wang School of Automation and Intelligence Beijing Jiaotong UniversityBeijing100044China Shuohuang Railway Development co. Ltd.National Energy GroupCangzhou062350China Beijing Key Laboratory of Security and Privacy in Intelligent Transportation School of Computer Science and TechnologyBeijing Jiaotong UniversityBeijing100044China

In the realm of Intelligent Railway Transportation Systems,effective multi-party co.laboration is crucial due to co.cerns over privacy and data *** Federated Learning(VFL)has emerged as a promising approach to facilitate such co.laboration,allowing diverse entities to co.lectively enhance machine learning models without the need to share sensitive training ***,existing works have highlighted VFL’s susceptibility to privacy inference attacks,where an honest but curious server co.ld potentially reco.struct a client’s raw data from embeddings uploaded by the *** vulnerability poses a significant threat to VFL-based intelligent railway transportation *** this paper,we introduce SensFL,a novel privacy-enhancing method to against privacy inference attacks in ***,SensFL integrates regularization of the sensitivity of embeddings to the original data into the model training process,effectively limiting the information co.tained in shared *** reducing the sensitivity of embeddings to the original data,SensFL can effectively resist reverse privacy attacks and prevent the reco.struction of the original data from the *** experiments were co.ducted on four distinct datasets and three different models to demonstrate the efficacy of *** results show that SensFL can effectively mitigate privacy inference attacks while maintaining the accuracy of the primary learning *** results undersco.e SensFL’s potential to advance privacy protection technologies within VFL-based intelligent railway systems,addressing critical security co.cerns in co.laborative learning environments.

关键词： Vertical federated learning privacy defenses

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Research on prediction model of formation temperature of ammonium bisulfate in air preheater of co.l-fired power plant

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Chinese Journal of Chemical Engineering 2022年第8期35卷 202-210页

作者： Kai Zhang Fangming Xue Zhiqiang Wang Xingxing Cheng School of energy and Power Engineering Shandong UniversityJinan 250061China huadian Electric Power Research Institute co. Ltd.Hangzhou 310030China

Ammonium bisulfate(ABS)is a visco.s co.pound produced by the escape NH_(3) in the NO reduction process and SO_(3) in the flue gas at a certain temperature,which can cause the ash co.rosion of the air preheater in co.l-fired power ***,it is essential to study the formation temperature of ABS to prevent the deposition of ABS in air *** this paper,the SO_(3) reaction kinetic model is used to analyze the SO_(3) generation process from co.l co.bustion to the selective catalytic reduction(SCR)exit stage,and the kinetic model of NO reduction is used to analyze the NH_(3) escape process.A prediction model for calculating the ABS formation temperature based on the S co.tent in co.l and NO reduction parameters of the SCR is proposed,solving the difficulty of measuring SO_(3) co.centration and NH_(3) co.centration in the previous calculation equation of ABS formation *** the reliability of the model is verified by the actual data of the power *** the influence of S co.tent in co.l,NH_(3)/NO_(x) molar ratio,different NO_(x) co.centrations at SCR inlet,and NO removal efficiency on the formation temperature of ABS are analyzed.

关键词： Air preheater Ammonium bisulfate ABS formation temperature Reaction kinetics

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