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The development of hollow multishelled structure: from the innovation of synthetic method to the discovery of new characteristics

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Science China Chemistry 2022年第1期65卷 7-19页

作者： Jiangyan Wang Zumin Wang Dan Mao Dan Wang State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

Hollow multishelled structure(HoMS)is one of the most promising multifunctional *** high complexity of its structure makes the general and controllable synthesis of HoMS rather *** integration of multidisciplinary knowledge,a great achievement in HoMSs has been obtained in the past ***,the developed sequential templating approach has significantly boomed the progress of HoMS in composition and structure diversity and application *** implementation of the temporal-spatial ordering in HoMS makes it indispensable in solving the key scientific problems in energy conversion,catalysis and drug delivery *** development in HoMSs with novel intricate structures will bring new *** this review,we systematically introduce the development history of HoMSs,summarize the inspiration inherited from the previous research on hollow structures,and discuss the milestones in the development of HoMSs,with a focus on the sequential templating approach for HoMS fabrication,attractive temporal-spatial ordering property and dynamic smart behavior for advanced *** hope to reveal the inherent relationship between the precise synthesis of HoMS and its highly tunable compositional and structural characteristics,and point out its future direction to boost HoMS area further.

关键词： hollow multishelled structure sequential templating approach temporal-spatial ordering smart dynamic behavior

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Bio-inspired short peptide self-assembly:From particles to functional materials

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Particuology 2022年第5期20卷 14-34页

作者： Li Wang Guizhi Shen Xuehai Yan State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China School of Chemical Engineering University of Chinese Academy of SciencesBeijing 100049China Center for Mesoscience Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China

Natural systems are typically featured with tremendous molecular complexity and construct exquisite architectures and functional materials through precise spatial and temporal *** self-assembly from peptides and proteins is believed to be the key ***,knowledge of the fundamental mechanisms driving peptides into vast functional hierarchical structures will certainly help the rational control of self-assembly process,leading to more precise structural organization and functional *** this review,we briefly summarize the recent progress of this burgeoning field mainly from two directions:peptide-based self-assembly and co-assembly with other functional molecules,each part is further divided into two subparts and representative examples are given for each subpart according to their development *** the end of each part,brief summaries of the closely related applications are *** the closing remarks,we conclude with our own understanding of the area and perspectives are given based on recent ***,this review could be suitable for both new readers to gain a comprehensive overview of the area and experienced readers to get a summary of the development in short peptide self-assembly from particles to functional materials.

关键词： Peptide Self-assembly Intermolecular interactions Particles Functional materials

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Bi@C nanosphere anode with Na^(+)-ether-solvent cointercalation behavior to achieve fast sodium storage under extreme low temperatures

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Carbon Energy 2024年第9期6卷 325-337页

作者： Lingli Liu Siqi Li Lei Hu Xin Liang Wei Yang Xulai Yang Kunhong Hu Chaofeng Hou Yongsheng Han Shulei Chou School of Energy Materials and Chemical EngineeringHefei UniversityHefeiChina LIB Technology Center of Anhui Province Hefei UniversityHefeiChina School of Advanced Manufacturing Engineering Hefei UniversityHefeiChina State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijingChina Institute for Carbon Neutralization College of Chemistry and Materials EngineeringWenzhou UniversityWenzhouChina

The low ion transport is a major obstacle for low-temperature(LT)sodium-ion batteries(SIBs).Herein,a core-shell structure of bismuth(Bi)nanospheres coated with carbon(Bi@C)is constructed by utilizing a novel Bi-based complex(1,4,5,8-naphthalenetetracarboxylic dianhydride as the ligand)as the precursor,which provides an effective template to fabricate Bi-based ***-40℃,the Bi@C anode achieves a high capacity,which is equivalent to 96%of that at 25℃,benefitting from the core-shell nanostructured engineering and Na^(+)-ether-solvent cointercalation *** special Na+-diglyme cointercalation behavior may effectively reduce the activation energy and accelerate the Na+diffusion kinetics,enabling the excellent low-temperature performance of the Bi@C *** expected,the fabricated Na_(3)V_(2)(PO_(4))_(3)//Bi@C full-cell delivers impressive rechargeability in the ether-based electrolyte at-40℃.Density functional theory calculations and electrochemical tests also reveal the fast reaction kinetic mechanism at LT,thanks to a much lower diffusion energy barrier(167 meV)and a lower reaction activation energy(32.2 kJ mol^(-1))of Bi@C anode in comparison with that of bulk *** work provides a rational design of Bi-based electrodes for rechargeable SIBs under extreme conditions.

关键词： bismuth core-shell structure low-temperature conditions sodium-ion batteries

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Preparation of ultrafine WC-Co powder via fluidized bed

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Chinese Journal of Chemical engineering 2024年第9期73卷 15-26页

作者： Huijun Shang Hengli Li Weijun Li Feng Pan Zhan Du State Key Laboratory of Mesoscience and Engineering Institute of Process EngineeringChinese Academy of Sciences(CAS)Beijing 100190China College of Chemistry and Chemical Engineering Shihezi UniversityShihezi 832003China College of Chemical Engineering University of Chinese Academy of SciencesBeijing 100049China Chinalco Environmental Protection and Energy Conservation Group Co. Ltd.Xiong'an 071700China

In this study,the effects of reaction parameters on the deep-reduction and carbonization process of WO_(2)-Co to WC-Co were *** results indicate that the oxygen loss rate of WO_(2) is positively correlated with temperature and methane partial *** partial pressure of methane has no significant effect on the formation rate of *** carbon content and particle size of the product increase with the increase of CH_(4) partial *** synergistically regulating the reaction temperature to 950℃,the CH_(4) partial pressure to 1.25%,and the reaction time to 60 min,ultrafine WC-Co powder without η phase can be *** particle size of the composite powder is 128 nm,with total carbon content of 6.16%,free carbon content of 0.4%,and residual oxygen content of 0.05%,*** growth rate relationship of tungsten carbide is as follows:δ(t)=1.21×10^(-13)exp(-12809.72/T)√t.

关键词： Ultrafine WC-Co powder Gas-solid reaction Fluidization Reaction process regulation Growth rate equation

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Recent advances in platelet engineering for anti-cancer therapies

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Particuology 2022年第5期20卷 2-13页

作者： Yanlin Lv Wei Wei Guanghui Ma State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China School of Chemical Engineering University of Chinese Academy of SciencesBeijing 100049China

Platelets contribute a major role in hemostasis by clumping and coagulation at the site of blood vessel *** light of recent findings of a close relationship between platelets and immunological response,as well as interactions between platelets and cancer cells,novel engineering strategies have emerged for the integration of platelets or platelet membrane(PM)with anti-cancer *** this review,we discuss several recent innovations that use platelets or their membranes to circumvent host immune responses and target tumor cells with high specificity to deliver a range of pharmacological,photothermal,or immunologic agents for eradication of recalcitrant tumor *** specifically,we compare the relative advantages of using whole platelets versus single or hybrid PM to coat nanoparticle *** cargoes range from well-established anti-tumor apoptosis-inducing agents,to relatively new photothermal agents that can induce a feedback cascade in which they induce vascular damage to the tumor which recruits more platelet-or membrane-encapsulated agents to induce further *** also discuss the use of engineered platelets to produce programmed cell death-inducing platelet derived *** review provides an overview and future directions for this promising platelet-based biomimetic approach to anti-cancer therapy.

关键词： engineering platelets Platelet-mimicking Drug delivery Anti-cancer therapy

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Nucleic acid drug vectors for diagnosis and treatment of brain diseases

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Signal Transduction and Targeted Therapy 2023年第2期8卷 604-656页

作者： Zhi-Guo Lu Jie Shen Jun Yang Jing-Wen Wang Rui-Chen Zhao Tian-Lu Zhang Jing Guo Xin Zhang State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing100190P.R.China University of Chinese Academy of Sciences Beijing100049P.R.China

Nucleic acid drugs have the advantages of rich target selection,simple in design,good and enduring *** have been demonstrated to have irreplaceable superiority in brain disease treatment,while vectors are a decisive factor in therapeutic *** physiological barriers,such as degradation and clearance in circulation,blood-brain barrier,cellular uptake,endosome/lysosome barriers,release,obstruct the delivery of nucleic acid drugs to the brain by the *** acid drugs against a single target are inefficient in treating brain diseases of complex *** between individual patients lead to severe uncertainties in brain disease treatment with nucleic acid *** this Review,we briefly summarize the classification of nucleic acid ***,we discuss physiological barriers during drug delivery and universal coping strategies and introduce the application methods of these universal strategies to nucleic acid drug ***,we explore nucleic acid drug-based multidrug regimens for the combination treatment of brain diseases and the construction of the corresponding *** the following,we address the feasibility of patient stratification and personalized therapy through diagnostic information from medical imaging and the manner of introducing contrast agents into ***,we take a perspective on the future feasibility and remaining challenges of vector-based integrated diagnosis and gene therapy for brain diseases.

关键词： treatment diagnosis replace

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Crystallographic orientation dependence on nanoscale friction behavior of energetic β-HMX crystal

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Friction 2023年第12期11卷 2264-2277页

作者： Ying YIN Hongtao LI Zhihong CAO Binghong LI Qingshan LI Hongtu HE Jiaxin YU Institute of Chemical Materials China Academy of Engineering PhysicsMianyang 621999China Key Laboratory of Testing Technology for Manufacturing Process in Ministry of Education State Key Laboratory of Environment-friendly Energy MaterialsSouthwest University of Science and TechnologyMianyang 621010China

Tribology behaviors of energetic crystals play critical roles in the friction-induced hotspot in highenergy explosive,however,the binder and energetic crystals are not distinguished properly in previous *** this study,for the first time,the nanoscale friction ofβ-octahydro-1,3,5,7-tetranitro1,3,5,7-tetrazocine(β-HMX)crystal is studied with nanoscratch tests under the ramping load *** results show that the nanoscale friction and wear ofβ-HMX crystal,as a typical energetic material,is highly depended on the applied *** friction coefficient ofβ-HMX crystal is initially high when no discernible wear is observed,and then it decreases to a stable value which varies from~0.2 to~0.7,depending on the applied load,scratch direction,and crystal ***β-HMX(011)surfaces show weakly friction and wear anisotropy behavior;in contrast,theβ-HMX(110)surfaces show strongly friction and wear anisotropy behavior where the friction coefficient,critical load for the elastic–plastic deformation transition and plastic–cracking deformation transition,and deformation index at higher normal load are highly depended on the scratch *** analyses indicate the slip system and direction ofβ-HMX surfaces play key roles in determining the nanoscale friction and wear ofβ-HMX *** obtained results can provide deeper insight into the friction and wear of energetic crystal materials.

关键词： β-octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine(β-HMX) nanoscratch friction wear plastic deformation

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Simulation and design of a heat-integrated double-effect reactive distillation process for propylene glycol methyl ether production

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Chinese Journal of Chemical engineering 2022年第12期52卷 103-114页

作者： Ran An Shengxin Chen Shun Hou Yuting Zhu Chunhu Li Xinbao Zhu Ruixia Liu Weizhong An Department of Chemical Engineering Ocean University of ChinaQingdao 266100China Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and EngineeringState Key Laboratory of Multiphase Complex SystemsInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190China College of Chemical Engineering Nanjing Forestry UniversityNanjing 210037China School of Chemical Engineering University of Chinese Academy of SciencesBeijing 100049China

A double-effect reactive distillation(DERD)process was proposed for the production of propylene glycol methyl ether from propylene oxide and methanol to overcome the shortcoming of low selectivity and high-energy consumption in the tubular plug-flow reactor.A single-column reactive distillation(RD)process was conducted under optimized operating conditions based on sensitivity analysis as a *** results demonstrated that the proposed DERD process is able to achieve more than 95%selectivity of the desired *** that,a design approach of the DERD process with an objective of the minimum operating cost was proposed to achieve further energy savings in the RD *** proposed DERD configuration can provide a large energy-savings by totally utilization of the overhead vapor steam in the high-pressure RD column.A comparison of the single-column RD process revealed that the proposed DERD process can reduce the operating cost and the total annual cost of 25.3%and 30.7%,respectively,even though the total capital cost of DERD process is larger than that of the RD process.

关键词： Propylene oxide Reactive distillation Heat integration Propylene glycol monomethyl ether process simulation

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Promoting effect of d-band center and in-situ precipitation strategy on sulfur evolution reaction

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Journal of Energy Chemistry 2025年第5期104卷 740-748页

作者： Jun Pu Yun Tan Jiasen Yin Zihan Shen Shoujie Liu Kai Zhang Lei Zhou Yagang Yao Key Laboratory of Functional Molecular Solids Ministry of EducationAnhui Provincial Engineering Laboratory for New-Energy Vehicle Battery Energy-Storage MaterialsCollege of Chemistry and Materials ScienceAnhui Normal UniversityWuhu 241002AnhuiChina National Laboratory of Solid State Microstructures College of Engineering and Applied SciencesJiangsu Key Laboratory of Artificial Functional MaterialsCollaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093JiangsuChina State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China School of Materials Science and Engineering Anhui UniversityHefei 230601AnhuiChina School of Energy and Power Engineering Jiangsu UniversityZhenjiang 212013JiangsuChina Department of Electrical Engineering Eindhoven University of TechnologyEindhoven MB 5600the Netherlands

The slow conversion of polyphase in lithium-sulfur(Li-S)batteries not only intensifies the shuttle effect of lithium polysulfides(LiPSs),but also causes the continuous accumulation of inactive sulfur species,resulting in rapid capacity attenuation and sluggish dynamic ***,the promoting effect of atomic interface stress on sulfur reaction was investigated via CoFe-CoFe_(2)O_(4)heterogeneous nanosheets with a cavity *** strain force induced by the in-situ precipitation of Co Fe bimetallic alloy in oxide matrix increased the d-band center,which was conducive to the interaction between catalyst and Li *** sulfur cathode based on this two-dimensional(2D)nanosheet design showed an extremely high capacity of 751 mAh g^(-1)at 4 *** with a sulfur loading of 5.55 mg cm^(-2),its area capacity was still as high as 7.15 mAh cm^(-2).Meanwhile,the enhanced stability greatly improved the practical potential of Li-S batteries.

关键词： 2D nanosheets In-situ precipitation Strain effect D-band center Li-S batteries

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Multistep Desolvation as a Fundamental Principle Governing Peptide Self-Assembly Through Liquid-Liquid Phase Separation

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CCS Chemistry 2024年第1期6卷 255-265页

作者： Chengqian Yuan Ruirui Xing Jie Cui Wei Fan Junbai Li Xuehai Yan State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190 School of Chemical Engineering University of Chinese Academy of SciencesBeijing 100049 Analysis and Test Center Institute of ChemistryChinese Academy of SciencesBeijing 100190 Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of ColloidInterface and Chemical ThermodynamicsInstitute of ChemistryChinese Academy of SciencesBeijing 100190 Center for Mesoscience Institute of Process EngineeringChinese Academy of SciencesBeijing 100190

Biomolecular self-assembly based on peptides and proteins is a general phenomenon encountered in natural and synthetic ***–liquid phase separation(LLPS)is intimately involved in biomolecular self-assembly,yet the key factors at a molecular scale activating or modulating such a process remain largely ***,we discovered in our experiments that multistep desolvation is fundamental to the formation and evolution of peptide-rich droplets:The first step was partial desolvation of peptides to form peptide clusters,and the second step was selective desolvation of hydrophobic groups within clusters to trigger LLPS and the formation of peptiderich droplets,followed by complete desolvation of droplets,initiating the nucleation of peptide *** of the degree of desolvation at different stages was an effective strategy to control the self-assembly pathways and *** study sheds light on the molecular origin of LLPS-mediated self-assembly distinct from classical one-step self-assembly and paves the way for the precise control of supramolecular self-assembly.

关键词： peptide liquid-liquid phase separation multistep desolvation nanostructures self-assembly

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