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Lithium Salt Combining Fluoroethylene Carbonate Initiates Methyl Methacrylate Polymerization Enabling Dendrite-Free solid-state Lithium Metal Battery

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Energy & Environmental Materials 2024年第6期7卷 50-59页

作者： xue Ye Jianneng Liang Baorong Du Yongliang Li Xiangzhong Ren Dazhuan Wu Xiaoping Ouyang Qianling Zhang Jianhong Liu institute of Process Equipment College of Energy EngineeringZhejiang UniversityHangzhou310000 China Graphene Composite Research Center College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen518061 China

This work demonstrates a novel polymerization-derived polymer electrolyte consisting of methyl methacrylate,lithium bis(trifluoromethanesulfonyl)imide and fluoroethylene *** polymerization of MMA was initiated by the amino compounds following an anionic catalytic *** plays both roles including the initiator and Li ion source in the polymer ***,lithium bis(trifluoromethanesulfonyl)imide has difficulty in initiating the polymerization reaction of methyl methacrylate monomer,a very high concentration of lithium bis(trifluoromethanesulfonyl)imide is needed for initiating the ***,the fluoroethylene carbonate additive can work as a supporter to facilitate the degree of dissociation of lithium bis(trifluoromethanesulfonyl)imide and increase its initiator capacity due to the high dielectric *** as-prepared poly-methyl methacrylate-based polymer electrolyte has a high ionic conductivity(1.19×10^(−3)S cm^(−1)),a wide electrochemical stability window(5 V vs Li^(+)/Li),and a high Li ion transference number(t_(Li^(+)))of 0.74 at room temperature(RT).Moreover,this polymerization-derived polymer electrolyte can effectively work as an artificial protective layer on Li metal anode,which enabled the Li symmetric cell to achieve a long-term cycling performance at 0.2.mAh cm^(−2.for 2.00 *** LiFePO_(4)battery with polymerization-derived polymer electrolyte-modified Li metal anode shows a capacity retention of 91.17%after 800 cycles at 0.5 *** work provides a facile and accessible approach to manufacturing poly-methyl methacrylate-based polymerization-derived polymer electrolyte and shows great potential as an interphase in Li metal batteries.

关键词： in situ polymerization lithium anode polymer electrolyte solid-state lithium batteries

Magnetic Bistability in the Crystaline Fullerene Radical Salt

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chinese Journal of Chemistry 2024年第17期42卷 2043-2048页

作者： Huapeng Ruan Ke Li Quanchun Sun Min Liu Zhongtao Feng xue Dong Yue Zhao Xinping Wang state key Laboratory of Coordination Chemistry School of Chemistry and Chemical EngineeringCollaborative Innovation Center of AdvancedMicrostructuresNanjing UniversityNanjingJiangsu210023China Department College of Materials and chemical Engineering Pingxiang UniversityPingxiangJiangxi 337055China state key Laboratory of Organometallic Chemistry Shanghai Institute of Organic ChemistryChinese Academy of ScienceShanghai 200032China

Compounds with magnetic bistability is highly attractive for the construction of switches,thermal sensors,information-storage media and memory ***,we report a crystalline fullerene radical anion salt[Na(THF)_(5)]C_(60)(1),obtained by the reduction of C_(60) with Na in solution,which exhibits magnetic bistability accompanied with one magnetostructural transition,giving low temperature(LT),high temperature(HT)phases and a metastable phase.

关键词： Magnetic bistability Fullerene radical Structural transition Crystal structure Chain distortion Fullerene Magnetic materials π-πstacking

Efficient prediction of corrosion behavior in ternary Ni-based alloy systems:Theoretical calculations and experimental verification

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Journal of Materials Science & Technology 2023年第36期167卷 94-106页

作者： xuelian Xiao Keke Chang Kai Xu Ming Lou Liping Wang qunji xue key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective TechnologiesNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Pourbaix diagrams are calculated to describe electrochemical processes for alloys in aqueous *** the multi-component differentiation of alloy systems,the construction of Pourbaix diagrams is fac-ing challenges,especially for non-single-phase alloy *** this study,the simultaneous construction of phase diagrams and Pourbaix diagrams were implemented for predicting the evolution of the phases in the immune and passive *** CALPHAD(CALculation of PHAse Diagram)approach was used to quickly access the Gibbs free energies of various phases and the chemical potential of the elements in the phases from the thermodynamic database of the Ni-Si-Al-Y *** corrosion behavior of two typical Ni-Al-Si and Ni-Al-Y systems was *** and Y were added to Ni-based alloys to produce the {2. solutions L12.Ni_(3)(Al,Si)and L12.Ni_(3)Al+Ni_(5)Y,*** showed that NiO and Al_(2.O_(3)make up the passive area of the Ni_(3)Al 1 *** introduction of SiO_(2.and Y(OH)3 in the passive region separately helped to minimize the alloys’susceptibility to ***,Si reduced the thermody-namical possibility of NiO for mation in the passive film,and the addition of Y caused extreme galvanic *** on Ni-based alloys validated the results through electrochemical *** was also discovered that the presence of Ni_(5)Y produced galvanic corrosion and that Si reduced the oxide in the passive film,causing pitting *** corrosion prediction of the quaternary alloys indicates that the {2. solution of Si in Ni_(5)Y reduces the galvanic corrosion effect and the dissolution of passive *** current work demonstrates that phase diagrams and Pourbaix diagrams may be efficiently and accurately predicted using a well-constructed thermodynamic database,which has major implications for future studies on the corrosion behavior of multi-component alloys.

关键词： Pourbaix diagrams CALPHAD Ni-based alloys Passive film

Manipulating guest-responsive spin transition to achieve switchable fluorescence in a Hofmann-type framework

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Science china Chemistry 2024年第10期67卷 3339-3346页

作者： xue-Ru Wu Shu-Qi Wu Zhi-Kun Liu Ming-Xing Chen Jun Tao Osamu Sato Hui-Zhong Kou Engineering Research Center of Advanced Rare Earth Materials(Ministry of Education) Department of ChemistryTsinghua UniversityBeijing 100084China institute for Materials Chemistry and Engineering&IRCCS Kyushu University744 MotookaNishi-kuFukuoka 819-0395Japan key Laboratory of Cluster Science of Ministry of Education School of Chemistry and Chemical EngineeringLiangxiang CampusBeijing Institute of TechnologyBeijing 102488China Analytical Instrumentation Center College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China

The change of fluorescence emission manipulated by spin state transition attracts considerable attention owing to its potential applications in magneto-optical switching ***,we report two two-dimensional(2.)Hofmann-type spin crossover(SCO)metal-organic frameworks(MOFs)[Fe^(Ⅱ)(PNI)_(2.{Ag^(Ⅰ)(CN)_(2.}_(2.]·CHCl_(3)(3Ag·CHCl_(3))and[FeⅡ(PNI)_(2.{AuⅠ(CN)_(2.}_(2.]·CHCl_(3)(3Au·CHCl_(3))based on the fluorescent ligand N-(4-pyridylmethyl)-1,8-naphthalimide(PNI).Both complexes exhibit interesting SCO behaviors switched by guest solvent molecules,namely three-step transitions for the solvated complexes and complete onestep hysteretic SCO for the desolvated ones,verified by temperature-dependent magnetic susceptibility measurements,Mossbauer spectra,structural analyses,and differential scanning calorimetry ***,temperature-dependent fluorescence spectra exhibit double peaks(monomer and excimer emission)with both emission peaks change consistent with the change in SCO properties during the solvent molecule *** this study,we integrated guest-responsive SCO behavior into MOFs to manipulate the multistability of spin state and fluorescence switching,providing a rational strategy for the development of stimuli-responsive multifunctional materials.

关键词： spin crossover fluorescence multifunctional materials metal-organic frameworks Hofmann-type

Acetic acid-and furfural-based adaptive evolution of Saccharomyces cerevisiae strains for improving stress tolerance and lignocellulosic ethanol production

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chinese Journal of chemical Engineering 2024年第8期72卷 26-33页

作者： Omama Rehman Youduo Wu Quan Zhang Jin Guo Cuihuan Sun Huipeng Gao Yaqing Xu Rui Xu Ayesha Shahid Chuang xue state key Laboratory of Fine {2.s Frontiers Science Centre for Smart Materials Oriented Chemical EngineeringEngineering Research Center of Application and Transformation for Synthetic BiologySchool of BioengineeringDalian University of TechnologyDalian 116024China Ningbo institute of Dalian University of Technology Ningbo 315016China SINOPEC Dalian Research institute of Petroleum and Petrochemicals Co. Ltd.Dalian 116041China Microbial Research institute of Liaoning Province Chaoyang 122000China Yunnan Provincial Rural Energy Engineering key Laboratory Kunming 650600China US-Pak Center for Advanced Studies in Agriculture and Food Security University of AgricultureFaisalabadPakistan

Acetic acid and furfural are known as prevalent inhibitors deriving from pretreatment during lignocellulosic ethanol *** negatively impact cell growth,glucose uptake and ethanol biosynthesis of Saccharomyces cerevisiae *** of industrial *** strains with high tolerance towards these inhibitors is thus critical for efficient lignocellulosic ethanol *** this study,the acetic acid or furfural tolerance of different *** strains could be significantly enhanced after adaptive evolution via serial cultivation for 40 generations under stress *** acetic acid-based adaptive strain SPSC01-TA9 produced 30.5 g·L^(-1)ethanol with a yield of 0.46 g·g^(-1)in the presence of 9 g·L^(-1)acetic acid,while the acetic acid/furfural-based adaptive strain SPSC01-TAF94 produced more ethanol of 36.2.g·L^(-1)with increased yield up to 0.49 g·g^(-1)in the presence of both 9 g·L^(-1)acetic acid and 4 g·L^(-1)*** improvements were also observed during non-detoxified corn stover hydrolysate culture by SPSC01-TAF94,which achieved ethanol production and yield of 2..1 g·L^(-1)and 0.49 g·g^(-1),respectively,the growth and fermentation efficiency of acetic acid/furfural-based adaptive strain in hydrolysate was 95%higher than those of wildtype strains,indicating the acetic acid-and furfural-based adaptive evolution strategy could be an effective approach for improving lignocellulosic ethanol *** adapted strains developed in this study with enhanced tolerance against acetic acid and furfural could be potentially contribute to economically feasible and sustainable lignocellulosic biorefinery.

关键词： Saccharomyces cerevisiae Lignocellulosic ethanol production Adaptive evolution Acetic acid Furfural

Preparation and Characterization of Gold Thin Film Electrode Modified by Microbe

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chinese chemical Letters 1999年第4期10卷 311-312页

作者： Jin Kun FU Rong Zong HU Wei De ZHANG Xin Sheng YU Jin Yin FU(state key Laboratory for Physical Chemistry of {2. Surface, Department of Chemistry and institute of Physical Chemistry, Xiamen University, Xiamen 361005) Xiamen Univ Dept Chem State Key Lab Phys Chem Solid Surface Xiamen 361005 Peoples R China Xiamen Univ Inst Phys Chem Xiamen 361005 Peoples R China

A novel method based on microbe modification has been employed to prepare gold thin film electrode. The preparation method is simple and the electrode obtained is stable and very sensitive in determining heavy metal i... 详细信息

关键词： gold thin film electrode microbe modification trace analysis

Organic polaritonic light-emitting diodes with high luminance and color purity toward laser displays

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Light(Science & Applications) 2024年第9期13卷 1956-1963页

作者： Jianbo De Ruiyang Zhao Fan Yin Chunling Gu Teng Long Han Huang xue Cao Cunbin An Bo Liao Hongbing Fu Qing Liao Beijing key Laboratory for Optical Materials and Photonic Devices Department of ChemistryCapital Normal University100048 BeijingChina Beijing Special Engineering Design and Research institute 100028 BeijingChina institute of Process Engineering Chinese Academy of Sciences100190 BeijingChina institute of Molecule Plus Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering(Tianjin)300072 TianjinChina School of Materials Science and Engineering Hunan University of Science and Technology411201 XiangtanHunanChina

Achieving high-luminescence organic light-emitting devices(OLEDs)with narrowband emission and high color purity is important in various optoelectronic *** displays exhibit outstanding advantages in next-generation display technologies owing to their ultimate visual experience,but this remains a great ***,we develop a novel OLED based organic single *** strongly coupling the organic exciton state to an optical microcavity,we obtain polariton electroluminescent(EL)emission from the polariton OLEDs(OPLEDs)with high luminance,narrow-band emission,high color purity,high polarization as well as excellent optically pumped polariton ***,we evaluate the potential for electrically pumped polariton laser through theoretical analysis and provide possible *** work provides a powerful strategy with a material–device combination that paves the way for electrically driven organic single-crystal-based polariton luminescent devices and possibly lasers.

关键词： pumped laser polarization

Effect of reduction pretreatment on the structure and catalytic performance of Ir-In_(2.O_(3)catalysts for CO_(2. hydrogenation to methanol

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Journal of Environmental sciences 2024年第6期140卷 2-11页

作者： Changyu Ding Feifei Yang xue Ye Chongya Yang Xiaoyan Liu Yuanlong Tan Zheng Shen Hongmin Duan Xiong Su Yanqiang Huang CAS key Laboratory of Science and Technology on Applied Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China University of chinese academy of sciences Beijing 100049China

In_(2.O_(3)has been found a promising application in CO_(2.hydrogenation to methanol,which is beneficial to the utilization of CO_(2..The oxygen vacancy(O_(v))site is identified as the catalytic active center of this ***,there remains a great challenge to understand the relations between the state of oxygen species in In_(2.O_(3)and the catalytic performance for CO_(2.hydrogenation to *** the present work,we compare the properties of multiple In_(2.O_(3)and Ir-promoted In_(2.O_(3)(Ir-In_(2.O_(3))catalysts with different Ir loadings and after being pretreated under different reduction *** CO_(2.conversion rate of Ir-In_(2.O_(3)is more promoted than that of pure In_(2.O_(3).With only a small amount of Ir loading,the highly dispersed Ir species on In_(2.O_(3)increase the concentration of O_(v)sites and enhance the *** finely tuning the catalyst structure,Ir-In_(2.O_(3)with an Ir loading of 0.16 wt.%and pre-reduction treatment under 300℃exhibits the highest methanol yield of 146 mgCH_(3)OH/(gcat·hr).Characterizations of Raman,electron paramagnetic resonance,X-ray photoelectron spectroscopy,CO_(2.-temperature programmed desorption and CO_(2.-pulse adsorption for the catalysts confirm that more O_(v)sites can be generated under higher reduction temperature,which will induce a facile CO_(2.adsorption and desorption *** performance for methanol production requires an adequate dynamic balance among the surface oxygen atoms and vacancies,which guides us to find more suitable conditions for catalyst pretreatment and reaction.

关键词： Carbon dioxide Hydrogenation Methanol In_(2.O_(3) Fixed-bed Reduction temperature

The variation of DOM during long distance water transport by the china South to North Water Diversion Scheme and impact on drinking water treatment

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Frontiers of Environmental Science & Engineering 2024年第5期18卷 85-100页

作者： Hankun Yang Yujuan Li Hongyu Liu Nigel J.D.Graham xue Wu Jiawei Hou Mengjie Liu Wenyu Wang Wenzheng Yu state key Laboratory of Environmental Aquatic Chemistry Key Laboratory of Drinking Water Science and TechnologyResearch Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing100085China School of Environment and Municipal Engineering Qingdao Technological UniversityQingdao266033China Colleges of Forestry Northeast Forestry UniversityHarbin150006China Department of Civil and Environmental Engineering Imperial College LondonSouth Kensington CampusLondonSW7 2AZUK School of Chemistry and chemical Engineering Beijing Institute of TechnologyBeijing100081China state key Laboratory of Separation Membrane Processes School of Environment Science and EngineeringTiangong UniversityTianjin300387China

In this study,samples were taken from three locations,upstream to downstream,along the central route project of the china South to North Water Diversion(SNWD)scheme in summer and *** were used to reveal the variations of dissolved organic matter(DOM)during the water transfer process,and the effects of these variations on drinking water treatment and disinfection by-products formation potential(DBPs-FP).The results showed that polysaccharides accumulate in summer and reduce in winter with flow distance,which has an important effect on the overall properties of DOM,as well as on the performance of coagulation,ultrafiltration,and the formation of *** substances,and their hydrophilic content,also increased in summer and decreased in winter with flow *** contrast,the concentration of small organic substances(MW≤1000 Da)increased in both summer and winter with flow distance,which affected both nanofiltration(NF)membrane fouling and *** results provide a useful case study of spatial and temporal changes in raw water DOM during long distance water transfer and their impact on the treatment and quality of drinking water from the SNWD.

关键词： Long-distance water transfer The china South to North Water Diversion Scheme Coagulation Membrane filtration Disinfection by-products