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Urban cluster-the thinking of Langfang culture industry resource integration optimization under the background of capital economic circle——The research of the main part of urban cluster and Jing-ji culture industry docking

The Sixth Forum of Collaborative Development among Bohai-Rim,Circum-Capital and Beijing-Tianjin-hebei

作者： Xue Yongchun,The county Party secretary of Gu''an in the CPC and graduate student in Wuhan university of technology zhang chao,graduate student in hebei university of technology

with the scientific outlook on development as the guidance,strengthen the construction of new socialist countryside,is a major task of the "Twelfth Five-Year Plan" period,We must insist on solving the agriculture,country,farmer problem as the party’s work deeply,balancing urban and rural development,adhere to the "industry feeds back agriculture,city to support a country and more for less relaxing policy,increase the strength of strong preferential agricultural,in accordance with the requirement of the integration to promote urban and rural economic and social development,improve the planning of new socialist countryside construction,speed up the improvement of rural production and living conditions of farmers,construction of happy life and beautiful *** the capital economic circle planning in Beijing periphery "poverty belt" 14 county brought development *** this paper,under the background of the construction of new rural areas ring the capital economic circle,analyze the status of the building in Lang fang,and points out under the background of new rural construction that ring the capital economic circle in the development of potential problems and countermeasures.

关键词： Ring the capital economic circle New countryside construction A shaft and corridor two ring and eight center Double stanza and double high

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Urban cluster-the thinking of Langfang culture industry reso...

Adsorption of typical NDMA precursors by superfine powdered activated carbon:Critical role of particle size reduction

The Sixth Forum of Collaborative Development among Bohai-Rim,Circum-Capital and Beijing-Tianjin-hebei

作者： Li Jingyuan,Professor,vice-President in hebei university of technology Langfang Department zhang chao,graduate student in hebei university of technology

this article from the urban cluster theory,based on the coordinated development of Jing-jin-ji culture industry,to create the capital economic circle as the carrier,in Langfang city in hebei province to Jing-ji culture industry docking site,in-depth research to build capital economic circle and Langfang culture industry resources optimized *** cultural industry in Langfang resources integration optimization and great-leap-forward development of visual attention,operation mechanism and management mode,mining history,innovation,product sublimation,creative development obtains the research achievements,for the prosperity of cultural of capital economic circle,and promote the coordinated development of Jing-jin-ji cultural industry has an important practical significance.

关键词： urban clusters Jing-jin-ji collaborative development Cultural resources integration Capital economic circle

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Journal of Environmental Sciences 2025年第1期147卷 101-113页

作者： Ying Wang Zhichen zhang Zhihang Yin Jun Wang Xiaojian zhang chao Chen State Key Joint Laboratory of Environmental Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China Research Institute for Environmental Innovation(Suzhou) TsinghuaSuzhou 215163China

Control of N-nitrosodimethylamine(NDMA)in drinking water could be achieved by removing its precursors as one practical ***,superfine powdered activated carbons with a diameter of about 1μm(SPACs)were successfully prepared by grinding powdered activated carbon(PAC,D50=24.3μm)and applied to remove model NDMA precursors,***(RAN)and nizatidine(NIZ).Results fromgrain diameter experiments demonstrated that the absorption velocity increased dramatically with decreasing particle size,and the maximum increase in k2 was 26.8-folds for RAN and 33.4-folds for ***,kinetic experiments explained that rapid absorption could be attributed to the acceleration of intraparticle diffusion due to the shortening of the diffusion ***,performance comparison experiments suggested that the removal of RAN and NIZ(C_(0)=0.5 mg/L)could reach 61.3%and 60%,respectively,within 5 min,when the dosage of SAPC-1.1(D_(50)=1.1μm)was merely 5 mg/L,while PAC-24.3 could only eliminate 17.5%and 18.6%.The adsorption isotherm was well defined by Langmuir isotherm model,indicating that the adsorption of RAN/NIZ was a monolayer coverage *** adsorption of RAN or NIZ by SAPC-1.1 and PAC-24.3 was strongly pH dependent,and high adsorption capacity could be observed under the condition of pH>pk_(a)+*** coexistence of humic acid(HA)had no significant effect on the adsorption performance because RAN/NIZ may be coupled with HA and removed *** coexistence of anions had little effect on the adsorption *** study is expected to provide an alternative strategy for drinking water safety triggered by NDMA.

关键词： Adsorption NDMA Kinetics Superfine powdered activated carbon Intraparticle diffusion Drinking water

From waste to wealth:Coal tar residue derived carbon materials as low-cost anodes for potassium-ion batteries

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 464-475页

作者： Zhonghua Lu Jun Shen Xin zhang Lingcong chao Liang Chen Ding zhang Tao Wei Shoudong Xu College of Chemical Engineering and technology Taiyuan University of TechnologyTaiyuan 030024China College of Chemistry Taiyuan University of TechnologyTaiyuan 030024China School of Chemical Engineering and Pharmacy Wuhan Institute of TechnologyWuhan 430205China School of Energy and Power Jiangsu University of Science and TechnologyZhenjiang 212003China

Carbon materials are widely recognized as highly promising electrode materials for various energy storage system *** tar residues(CTR),as a type of carbon-rich solid waste with high value-added utilization,are crucially important for the development of a more sustainable *** this study,we employed a straightforward direct carbonization method within the temperature range of 700-1000℃to convert the worthless solid waste CTR into economically valuable carbon materials as anodes for potassium-ion batteries(PIBs).The effect of carbonization temperature on the microstructure and the potassium ions storage properties of CTR-derived carbons(CTRCs)were systematically explored by structural and morphological characterization,alongside electrochemical performances *** on the co-regulation between the turbine layers,crystal structure,pore structure,functional groups,and electrical conductivity of CTR-derived carbon carbonized at 900℃(CTRC-900H),the electrode material with high reversible capacity of 265.6m Ah·g^(-1)at 50 m A·g^(-1),a desirable cycling stability with 93.8%capacity retention even after 100 cycles,and the remarkable rate performance for PIBs were ***,cyclic voltammetry(CV)at different scan rates and galvanostatic intermittent titration technique(GITT)have been employed to explore the potassium ions storage mechanism and electrochemical kinetics of *** indicate that the electrode behavior is predominantly governed by surface-induced capacitive processes,particularly under high current densities,with the potassium storage mechanism characterized by an“adsorption-weak intercalation”*** work highlights the potential of CTR-based carbon as a promising electrode material category suitable for high-performance PIBs electrodes,while also provides valuable insights into the new avenues for the high value-added utilization of CTR.

关键词： coal tar residue carbon materials anode potassium-ion batteries high value-added

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Force and impulse multi-sensor based on flexible gate dielectric field effect transistor

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 214-220页

作者： chao Tan Junling Lü Chunchi zhang Dong Liang Lei Yang Zegao Wang College of Materials Science and Engineering Sichuan UniversityChengdu 610065China The 54th Research Institute of China Electronics technology Group Corporation Shijiazhuang 050081China

Nowadays,force sensors play an important role in industrial production,electronic information,medical health,and many other ***-dimensional material-based filed effect transistor(2D-FET)sensors are competitive with nano-level size,lower power consumption,and accurate ***,few of them has the capability of impulse detection which is a path function,expressing the cumulative effect of the force on the particle over a period of *** we fabricated the flexible polymethyl methacrylate(PMMA)gate dielectric MoS_(2)-FET for force and impulse sensor *** systematically investigated the responses of the sensor to constant force and varying forces,and achieved the conversion factors of the drain current signals(I_(ds))to the detected impulse(I).The applied force was detected and recorded by I_(ds)with a low power consumption of~30 *** sensitivity of the device can reach~8000%and the 4×1 sensor array is able to detect and locate the normal force applied on ***,there was almost no performance loss for the device as left in the air for two months.

关键词： flexible gate dielectric transistor force sensor impulse sensor force sensor array

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A Review on Thermal Management of Li-ion Battery:from Small-Scale Battery Module to Large-Scale Electrochemical Energy Storage Power Station

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Journal of Thermal Science 2025年第1期34卷 1-23页

作者： CHEN Zhifeng JIA Li YIN Liaofei DANG chao REN Honglei zhang Zhiqiang Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale School of MechanicalElectronic and Control EngineeringBeijing Jiaotong UniversityBeijing 100044China

Li-ion battery is an essential component and energy storage unit for the evolution of electric vehicles and energy storage technology in the ***,in order to cope with the temperature sensitivity of Li-ion battery and maintain Li-ion battery safe operation,it is of great necessary to adopt an appropriate battery thermal management system(BTMS).In this paper,the current main BTM strategies and research hotspots were discussed from two aspects:small-scale battery module and large-scale electrochemical energy storage power station(EESPS).The practical application situation,advantages and disadvantages,and the future development trend of each heat dissipation method(air,liquid,PCM,heat pipe,hybrid cooling)were described in *** them,the air cooling and liquid cooling were reviewed in-depth based on the engineering *** PCM,heat pipe and hybrid cooling were reviewed extensively based on the latest *** research provides a comprehensive understanding for the BTMS in all scales.

关键词： battery thermal management cooling methods small-scale battery module large-scale electrochemical energy storage power station

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Grid-Connected/Islanded Switching Control Strategy for Photovoltaic Storage Hybrid Inverters Based on Modified Chimpanzee Optimization Algorithm

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Energy Engineering 2025年第1期122卷 265-284页

作者： chao Zhou Narisu Wang Fuyin Ni Wenchao zhang School of Electrical and Information Engineering Jiangsu University of TechnologyChangzhou213001China Jiangsu Key Laboratory of Power Transmission&Distribution Equipment technology Jiangsu University of TechnologyChangzhou213001China

Uneven power distribution,transient voltage,and frequency deviations are observed in the photovoltaic storage hybrid inverter during the switching between grid-connected and island *** response to these issues,this paper proposes a grid-connected/island switching control strategy for photovoltaic storage hybrid inverters based on the modified chimpanzee optimization *** proposed strategy incorporates coupling compensation and power differentiation elements based on the traditional droop ***,it combines the angular frequency and voltage amplitude adjustments provided by the phase-locked loop-free pre-synchronization control *** pre-synchronization is achieved by regulating the virtual current to zero and aligning the photovoltaic storage hybrid inverter with the grid ***,two novel operators,learning and emotional behaviors are introduced to enhance the optimization precision of the chimpanzee *** operators ensure high-precision and high-reliability optimization of the droop control parameters for photovoltaic storage hybrid inverters.A Simulink model was constructed for simulation analysis,which validated the optimized control strategy’s ability to evenly distribute power under load *** strategy effectively mitigated transient voltage and current surges during mode ***,seamless and efficient switching between gridconnected and island modes was achieved for the photovoltaic storage hybrid *** enhanced energy utilization efficiency,in turn,offers robust technical support for grid stability.

关键词： Photovoltaic storage hybrid inverters modified chimpanzee optimization algorithm droop control seamless switching

Integrating Cu+/Cu0 sites on porous nitrogen-doped carbon nanofibers for stable and efficient CO2 electroreduction to multicarbon products

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Journal of Energy Chemistry 2025年第2期101卷 453-462页

作者： Yicheng chao Jiahao zhang Qinyue Wu Xinfei Fan Xie Quan Yanming Liu Key Laboratory of Industrial Ecology and Environmental Engineering (MOE) School of Environmental Science and Technology Dalian University of Technology College of Environmental Science and Engineering Dalian Maritime University Frontier Science Center for Smart Materials Dalian University of Technology

The Cu+/Cu0sites of copper-based catalysts are crucial for enhancing the production of multicarbon(C2+)products from electrochemical CO2reduction reaction（eCO2RR）.However,the unstable Cu+and insufficient Cu+/Cu0active sites lead to their limited selectivity and stability for C2+***,we embedded copper oxide（CuOx） particles into porous nitrogen-doped carbon nanofibers（CuOx@PCNF）by pyrolysis of the electrospun fiber film containing ZIF-8 and Cu2O *** porous nitrogendoped carbon nanofibers protected and dispersed Cu+species,and its micro porous structure enhanced the interaction between CuOxand reactants during *** obtained CuOx@PCNF created more effective and stable Cu+/Cu0active *** showed a high Faradaic efficiency of 62.5% for C2+products in Hcell,which was 2 times higher than that of bare CuOx（～31.1%）.Furthermore,it achieved a maximum Faradaic efficiency of 80.7% for C2+products in flow *** situ characterization and density functional theory（DFT） calculation confirmed that the N-doped carbon layer protected Cu+from electrochemical reduction and lowered the energy barrier for the dimerization of**** and exposed Cu+/Cu0active sites enhanced the enrichment of*CO and promoted the C-C coupling reaction on the catalyst surface,which facilitated the formation of C2+products.

关键词： Carbon nanofibers Cu+/Cu0 sites C–C coupling Electrocatalytic CO2 reduction Multicarbon products

Enhanced Cd^(2+)removal from aqueous solution using olivine and magnesite combination:New insights into the mechanochemical synergistic effect

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Journal of Environmental Sciences 2025年第1期147卷 714-725页

作者： Xiaofang Chen chao Wang Min Chen Huimin Hu Junwei Huang Ting Jiang Qiwu zhang School of Resources&Environmental Engineering Wuhan University of TechnologyWuhan 430070China State Environmental Protection Key Laboratory of Water Environmental Simulation and Pollution Control South China Institute of Environmental SciencesMinistry of Ecology and EnvironmentGuangzhou 510655China

In this study,an efficient stabilizer material for cadmium(Cd^(2+))treatment was successfully prepared by simply co-milling olivine with *** analyticalmethods including XRD,TEM,SEM and FTIR,combined with theoretical calculations(DFT),were used to investigate mechanochemical interfacial reaction between twominerals,and the reaction mechanism of Cd removal,with ion exchange between Cd^(2+)and Mg^(2+)as the main pathway.A fixation capacity of Cd^(2+)as high as 270.61 mg/g,much higher than that of the pristine minerals and even the individual/physical mixture of milled olivine and magnesite,has been obtained at optimized conditions,with a neutral pH value of the solution after treatment to allow its direct *** as-proposed Mg-based stabilizer with various advantages such as cost benefits,green feature etc.,will boosts the utilization efficiency of naturalminerals over the elaborately prepared adsorbents.

关键词： Olivine Magnesite Interface reaction Mechanochemical activation Cadmium removal