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Adaptive immune-genetic algorithm for global optimization to multivariable function

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Journal of Systems Engineering and Electronics 2007年第3期18卷 655-660页

作者： Dai Yongshou Li Yuanyuan Wei Lei wang junling Zheng Deling Coll. of Information and Control Engineering China Univ. of Petroleum Dongying 257061 P. R. China School of Information Engineering Univ. of Science and Technology Beijing Beijing 100083 P. R. China

An adaptive immune-genetic algorithm （AIGA） is proposed to avoid premature convergence and guarantee the diversity of the population. Rapid immune response （secondary response）, adaptive mutation and density operators in the AIGA are emphatically designed to improve the searching ability, greatly increase the converging speed, and decrease locating the local maxima due to the premature convergence. The simulation results obtained from the global optimization to four multivariable and multi-extreme functions show that AIGA converges rapidly, guarantees the diversity, stability and good searching ability.

关键词： immune-genetic algorithm function optimization hyper-mutation density operator.

Structural characterization and immunostimulatory activity of a water-soluble polysaccharide from abalone(Haliotis discus hannai Ino)muscle

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Food Science and Human Wellness 2023年第2期12卷 495-502页

作者： Linfan Shi Gengxin Hao Jun Chen junling wang Wuyin Weng College of Ocean Food and Biological Engineering Jimei UniversityXiamen 361021China Engineering Research Center of the Modern Technology for Eel Industry Ministry of EducationXiamen 361021China

A water-soluble polysaccharide from abalone muscle(AMPP)was *** contents of carbohydrate,protein,uronic acid,and sulfate in AMPP were 83.5%,0.5%,2.7%,and 2.6%,***-performance liquid chromatography analysis indicated that AMPP was homogeneous and had an average molecular weight of approximately 3.2 *** main monosaccharides of AMPP were glucose(Glc)and mannose with a molar ratio of 99.7:*** structural characteristics of AMPP were elucidated through methylation analysis,Fourier transform infrared spectroscopy,and nuclear magnetic resonance *** linkages of AMPP consisted of terminal,1,4-linked,1,6-linked,and 1,4,6-linked Glcp with a molar ratio of 3.1:7.2:1.0:*** one repeat unit of the proposed AMPP structure,the backbone chain was composed of eight 1→4 glycosidic bonds and one 1→6 glycosidic bond,with three branch chains linked by 1→6 glycosidic *** addition,AMPP was found to possess potent immunostimulatory activity via rising phagocytosis of RAW264.7 cells and promoting secretion of TNF-α.

关键词： Polysaccharide Abalone muscle Structural characterization Immunostimulatory activity Nuclear magnetic resonance spectra

Halogen-Free Flame Retarded Poly(Lactic Acid)with an Isosorbide-Derived Polyphosphonate

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Journal of Renewable Materials 2022年第7期10卷 1875-1888页

作者： Wenwen Guo Wei Cai Dong wang junling wang Xiefei Zhu Bin Fei Key Laboratory of Eco-Textiles Ministry of EducationCollege of Textile Science and EngineeringJiangnan UniversityWuxi214122China Institute of Textiles and Clothing The Hong Kong Polytechnic UniversityHung HomHong KongChina State Key Laboratory of Fire Science University of Science and Technology of ChinaHefei230026China Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control College of Safety Science and EngineeringNanjing Tech UniversityNanjing211816China Department of Thermal Science and Energy Engineering University of Science and Technology of ChinaHefei230026China

Fabrication of flame retardants from renewable biomass has aroused extensive interest over the past *** work reported a synthesis of isosorbide-derived polyphosphonate(PICPP)as an anti-flammable agent for poly(lactic acid)(PLA).The presence of PICPP notably declined the storage modulus of PLA/PICPP owing to the declined molecular weight of PLA catalyzed by the presence of *** and PLA/PICPP thermally degraded in one stage under either air or nitrogen *** increasing the amount of PICPP,the onset thermal decomposition temperature of PLA/PICPP was decreased gradually,owing to the earlier decomposition of *** only 10 wt%of PICPP,PLA/PICPP-10 achieved a high limiting oxygen index of 30.0%and UL-94 V-0 classification,manifesting that PICPP was an efficient anti-flammable agent for *** inclusion of 15 wt%PICPP also caused 33%and 16%decline in PHRR and THR of PLA,***-IR results clarified that PLA/PICPP produced the less typical pyrolysis products especially flammable carbonyls than PLA,which may account for the suppressed PHRR and THR values of PLA/PICPP.

关键词： Isosorbide polyphosphonate poly(lactic acid) flame retardancy

Superior and safer lithium sulfur batteries realized by robust polysulfides-retarding dam with high flame retardance

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Journal of Energy Chemistry 2024年第2期89卷 471-486,I0011页

作者： junling wang Yanfang Cao Zhirong wang Yinquan Zhao Chuang He Fudong Zhao Chaoling Han Shui Yu Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control College of Safety Science and EngineeringNanjing Tech UniversityNanjing 211816JiangsuChina Department of Architecture and Civil Engineering City University of Hong KongHong Kong 999077China School of Mechanical and Power Engineering Nanjing Tech UniversityNanjing 211816JiangsuChina

The unparalleled energy density has granted lithium-sulfur batteries(LSBs)with attractive ***,LSBs still face some unsurpassed challenges in industrialization,with polysulfides shuttling,dendrite growth and thermal hazard as the major problems triggering the cycling instability and low *** the merit of convenience,the method of designing functional separator has been ***,the carbon aerogel confined with CoS_(2)(CoS_(2)-NCA)is constructed and coated on Celgard separator surface,acquiring CoS_(2)-NCA modified separator(CoS_(2)-NCA@C),which holds the promoted electrolyte affinity and flame *** revealed,CoS_(2)-NCA@C cell gives a high discharge capacity 1536.9 mAh/g at 1st cycle,much higher than that of Celgard cell(987.1 mAh/g).Moreover,the thermal runaway triggering time is dramatically prolonged by 777.4 min,corroborating the promoted thermal safety of ***,the higher coulombic efficiency stability and lower overpotential jointly confirm the efficacy of CoS_(2)-NCA@C in suppressing the lithium dendrite ***,this work can provide useful inspirations for designing functional separator,coping with the vexing issues of LSBs.

关键词： Lithium-sulfur batteries Thermal safety Flame retardancy Separator

Van der Waals layered ferroelectric CuInP2S6: Physical properties and device applications

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Frontiers of Physics 2021年第1期16卷 62-91页

作者： Shuang Zhou Lu You Hailin Zhou Yong Pu Zhigang Gui junling wang New Energy Technology Engineering Laboratory of Jiangsu Province & School of Science Nanjing University of Posts and Telecommunications Jiangsu Key Laboratory of Thin Films School of Physical Science and Technology Soochow University Department of Physics Southern University of Science & Technology

Copper indium thiophosphate, CuInP2S6, has attracted much attention in recent years due to its van der Waals layered structure and robust ferroelectricity at room temperature. In this review, we aim to give an overview of the various properties of CuInP2S6, covering structural, ferroelectric, dielectric,piezoelectric and transport properties, as well as its potential applications. We also highlight the remaining questions and possible research directions related to this fascinating material and other compounds of the same family.

关键词： CuInP2S6\n van der Waals ferroelectric phase transition ionic conduction piezoelectricity

Pomegranate-inspired porous SnSe/ZnSe@C anode:A stress-buffer nanostructure for fast and ultrastable sodium-ion storage

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Journal of Energy Chemistry 2022年第12期75卷 369-377,I0010页

作者： Zhixin Liang Qinghua Li wang Zhang Dandan Yu Wei Zhang Jiawei Wu Gaoyu wang Wenbo Fan junling wang Shaoming Huang School of Materials and Energy Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage DevicesGuangdong University of TechnologyGuangzhou 510006GuangdongChina College of Materials Science and Engineering Shenzhen UniversityShenzhen 518055GuangdongChina College of Materials and Chemistry China Jiliang UniversityHangzhou 310018ZhejiangChina

Tin selenide(SnSe)is considered as a potential anode for sodium-ion batteries(SIBs)owing to its high theoretical specific ***,it suffers from drastic volume expansion/contraction during sodium ions insertion/extraction,resulting in poor cycling ***,a pomegranate-inspired porous carbon shell wrapped heterogeneous SnSe/ZnSe composite(SnSe/ZnSe@C)is exquisitely designed and fabricated through electrostatic spraying followed by high-temperature *** polyacrylonitrile-derived carbon shell acts as an adhesive to link the porous cubic SnSe/ZnSe and form highly interconnected microcircuits to improve the electron/ion transfer efficiency and inhibit the bulk volume change of internal metallic selenide nanoparticles and polyselenides dissolution during repeated ***,the abundant heterostructure interface of SnSe/ZnSe further significantly accelerates the electrons/ions *** a result,the as-prepared SnSe/ZnSe@C electrode exhibits a high specific capacity(508.3 m Ah g^(-1)at 0.05 A g^(-1)),excellent rate performance(177.8 m Ah g^(-1)at 10.0 A g^(-1)),and remarkable cycling stability(195.9 m Ah g^(-1)after 10,000 cycles at 5.0 A g^(-1)).Furthermore,in-situ Xray diffraction(XRD)/Raman,ex-situ transmission electron microscopy,and kinetic analysis clearly reveal a four-step electrochemical reaction process and battery-capacitor dual-mode sodium storage *** work provides a new perspective for developing commercial SIBs anode materials with high capacity and long lifespan.

关键词： SnSe Electrostatic spraying Carbon armor Superior cycling stability Sodium-ion batteries Sodiation mechanism

Magnetron sputtering deposition of silicon nitride on polyimide separator for high-temperature lithium-ion batteries

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Journal of Energy Chemistry 2021年第5期30卷 1-10页

作者： Can Liao Wei wang junling wang Longfei Han Shuilai Qiu Lei Song Zhou Gui Yongchun Kan Yuan Hu State Key Laboratory of Fire Science University of Science and Technology of ChinaHefei 230026AnhuiChina

To date,lithium-ion batteries are becoming increasingly significant in the application of portable devices and electrical vehicles,and revolutionary progress in theoretical research and industrial application has been ***,the commercial polyolefin separators with unsatisfying electrolytes affinity and poor thermal stability have extremely restricted the further application of lithium-ion batteries,especially in the high-temperature *** this work,magnetron sputtering deposition technique is employed to modify the commercial polyimide separator by coating silicon nitride on both *** sputtering deposition modified polyimide(MSD-PI)composite separator shows high thermal stability and ionic *** importantly,compared with the cells using Celgard separator,the cells with MSD-PI separator exhibit superior electrochemical performance,especially long-term cycle performance under high temperature environment,owing to the high thermal conductivity of surface Si3 N4 ***,lithium-ion batteries with MSD-PI separator are capable of improving thermal safety and capacity retention,which demonstrates that magnetron sputtering deposition technique could be regarded as a promising strategy to develop advanced organic/inorganic composite separators for high-temperature lithium-ion batteries.

关键词： Polyimide Magnetron sputtering deposition Lithium-ion batteries High temperature Safety

Designing of multifunctional and flame retardant separator towards safer high-performance lithium-sulfur batteries

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Nano Research 2021年第12期14卷 4865-4877页

作者： junling wang Wei Cai Xiaowei Mu Longfei Han Na Wu Can Liao Yongchun Kan Yuan Hu State Key Laboratory of Fire Science CAS Key Laboratory of Soft Matter ChemistryUniversity of Science and Technology of ChinaHefei230026China Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control College of Safety Science and EngineeringNanjing Tech UniversityNanjing211816China

Owing to unprecedented merits such as high theoretical capacity,superior energy density and low cost,lithium-sulfur batteries(LSBs)show a bright future both in scientific and industrial ***,the inherent issues,including highly insulating character,undesired shuttle behavior and lithium dendrites growth,are seriously impeding its practical ***,a metal-organic-frameworks(MOFs)derived N,S co-doped carbon nanotube hollow architecture confining with CoS_(2) nanoparticles(CoS_(2)/NSCNHF)modified separator is designed to surmount these *** with Celgard separator,this designed separator shows obviously enhanced flame retardancy,giving 73.1%and 53.0%reductions in peak heat release rate and total heat release,***,its hollow structure,conductive feature,electrocatalytic activity and Lewis acid-base interaction enable the efficient inhibition on shuttle behavior as well as boost in polysulfides conversion *** cell with modified separator delivers a high discharge capacity of 1,284.5 mAh·g^(−1).After running for 100 cycles,a discharge capacity of 661.3 mAh·g^(−1) is ***,the suppression on lithium dendrites growth is also observed,manifesting the enhanced battery ***,this work may shed light on the effective usage of MOFs-derived hierarchical composite in achieving LSBs with high electrochemical performance as well as safety.

关键词： metal-organic-frameworks shuttle behavior lithium dendrites flame retardancy

A flame retardant separator modified by MOFs-derived hybrid for safe and efficient Li-S batteries

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Journal of Energy Chemistry 2022年第1期31卷 372-384,I0010页

作者： Na Wu junling wang Can Liao Longfei Han Lei Song Yuan Hu Xiaowei Mu Yongchun Kan State Key Laboratory of Fire Science.CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of ChinaHefei 230026AnhuiChina Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control College of Safety Science and EngineeringNanjing Tech UniversityNanjing 211816JiangsuChina

In this work,we have successfully prepared a novel separator modified with N,S co-doped carbon framework(named NSPCF)with confined CoS_(2) nanoparticles and rooted carbon nanotubes material(named NSPCF@CoS_(2))to apply for high-performance Lithium-Sulfur batteries(Li-S batteries).Robust carbon structure with large specific surface can act as a physical barrier and possess physical adsorption effect on lithium polysulfides(LiPSs).In addition,highly-conductive carbon can improve integral conductivity,leading to the fast charge transport and reaction ***,doping heteroatoms could form more active sites to adsorb LiPSs strongly so that modified separator could inhibit the shuttle effect ***,the presence of CoS_(2) further enhances the ability of modified separator to trap LiPSs owing to the Lewis acid-base *** a result,the NSPCF@CoS_(2)@C-150 battery can deliver initial discharge capacities of 863.0,776.2,649.1 and 489.4 mAh g^(-1) at 0.1,0.5,1 and 2C with a high sulfur loading of 2.04 mg cm^(-2),***,when turning the current density back to 0.1 C,its discharge capacity can recover to 1008.7 mAh g^(-1).In addition,the modified separators exhibit outstanding capacities to restrain the growth of lithium *** is noteworthy that the flame retardant performances of Li-S batteries are improved dramatically owing to the novel structures of modified *** rationally designed separator endows Li-S batteries with higher safety and excellent electrochemical performances,providing a feasible strategy for practical application of Li-S batteries.

关键词： Metal-organic frameworks Shuttling behavior Lithium dendrites Safety