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Liquid metal as an efficient protective layer for lithium metal anodes in all-solid-state batteries

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Carbon Energy 2024年第7期6卷 219-229页

作者： Shiqiang Zhou Mengrui Li Peike Wang Lukuan Cheng Lina Chen Yan Huang Boxuan Cao Suzhu Yu Qingju Liu Jun Wei Shenzhen Key laboratory of flexible Printed electronics Technology Harbin Institute of TechnologyShenzhenChina School of Materials Science and Engineering Harbin Institute of TechnologyShenzhenChina State Key laboratory of Advanced Welding and Joining Harbin Institute of TechnologyHarbinChina Yunnan Key laboratory for Micro/Nano Materials and Technology School of Materials and EnergyYunnan UniversityKunmingChina

Lithium metal batteries with inorganic solid-state electrolytes have emerged as strong and attractive candidates for electrochemical energy storage devices because of their high-energy content and ***,inherent challenges of deleterious lithium dendrite growth and poor interfacial stability hinder their commercial ***,we report a liquid metal-coated lithium metal(LM@Li)anode strategy to improve the contact between lithium metal and a Li6PS5Cl inorganic *** LM@Li symmetric cell shows over 1000 h of stable lithium plating/stripping cycles at 2mA cm^(-2) and a significantly higher critical current density of 9.8 mAcm^(-2) at 25°*** addition,a full battery assembled with a high-capacity composite LiNbO3@-LiNi_(0.7)Co_(0.2)Mn_(0.1)O_(2)(LNO@NCM721)cathode shows stable cycling *** and computational results have demonstrated that dendrite growth tolerance and physical contact in solid-state batteries can be reinforced by using LM interlayers for interfacial modification.

关键词： all-solid-state batteries interface engineering liquid metals lithium metal anodes

Recent advances on liquid intercalation and exfoliation of transition metal dichalcogenides: From fundamentals to applications

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Nano Research 2024年第3期17卷 2088-2110页

作者： Yan Tu Lingbin Xie Mengyang Zhang Shujuan Liu Zhongzhong Luo Longlu Wang Qiang Zhao State Key laboratory of Organic electronics and Information Displays and Jiangsu Key laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts and TelecommunicationsNanjing 210023China College of Electronic and Optical Engineering and College of flexible electronics(Future Technology) Jiangsu Province Engineering Research Center for Fabrication and Application of Special Optical Fiber Materials and DevicesNanjing University of Posts and TelecommunicationsNanjing 210023China

The weak van der Waals gap endows two dimensional transition metal dichalcogenides(2D TMDs)with the potential to realize guest intercalation and host ***,the liquid intercalation and exfoliation is a facile,low-cost,versatile and scalable strategy to modulate the structure and physiochemical property of TMDs via introducing foreign species into *** this review,firstly,we briefly introduce the resultant hybrid superlattice and disperse nanosheets with tailored properties fabricated via liquid intercalation and ***,we systematically analyze the intercalation phenomenon and limitations of various intercalants in chemical or electrochemical ***,we intensely discuss diverse functionalities of resultant materials,focusing on their potential applications in energy conversion,energy storage,water purification,electronics,thermoelectrics and ***,we highlight the challenges and outlooks for precise and mass production of 2D TMDs-based materials via liquid intercalation and *** review enriches the overview of liquid intercalation and exfoliation strategy,and paves the path for relevant high-performance devices.

关键词： two-dimensional transition metal dichalcogenides hybrid superlattice intercalation exfoliation

An Assembly of Pyrano[3,2-b]indol-2-ones via NHC-Catalyzed[3+3]Annulation of Indolin-3-ones with Ynals

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Chinese Journal of Chemistry 2024年第13期42卷 1487-1492页

作者： Xia Wang Shulei Zhang Shao-Jie Wang Hao An Xiaolan Xin Haonan Lin Zhifeng Tu Shenci Lu Frontiers Science Center for flexible electronics(FSCFE) Shaanxi Institute of Flexible Electronics(SIFE)&Shaanxi Instituteof Biomedical Materials and Engineering(SiBME)Northwestern Polytechnical University(NPU)127 West Youyi RoadXi'anShaanxi 710072China School of Chemistry and Chemical Engineering Northwestern Polytechnical University(NPU)127 West Youyi RoadXi'anShaanxi 710072China

We report herein an unprecedented N-heterocyclic carbene-catalyzed formal[3+3]annulation of ynals with N-Ts indolin-3-ones under the oxidation condition affording the functionalized pyrano[3,2-b]*** alkynyl acylazoliums via the combination of a carbene with ynals in the presence of oxidate proved to be the important intermediates for the success of this *** method features a broad substrate scope and mild conditions,including axially chiral skeletons with suitable substitutions.

关键词： N-Heterocyclic carbene Annulation Organocatalysis Atropisomerism Carbazole Aldehydes Heterocycles Asymmetric catalysis

Ruthenium-Catalysed Asymmetric Intramolecular Isomerization/Esterification Reaction: Direct Synthesis of Chiral Dihydrocoumarins

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Chinese Journal of Chemistry 2024年第16期42卷 1828-1832页

作者： Lingzi Zhao Xuchao Wang Qing Qiang Xingwei Zhao Feipeng Liu Shenci Lu Zi-Qiang Rong Frontiers Science Center for flexible electronics(FSCFE) Shaanxi Institute of Flexible Electronics(SiFE)&Shaanxi Institute of Biomedical Materials and Engineering(SIBME)Northwestern Polytechnical University(NPU)127 West Youyi RoadXianShaanxi 710072China Honors College Northwestern Polytechnical University(NPU)127 West Youyi RoadXi'anShaanxi 710072China

An asymmetric isomerization/intramolecular coupling reaction of allylic alcohols to synthesize chiral dihydrocoumarins was successfully accomplished through ruthenium *** method demonstrates a wide substrate applicability,excellent tolerance for various functional groups,and good enantioselectivities(up to 90%ee).It provides a convenient pathway to produce a diverse range ofstructurallydistinct chiral dihydrocoumarins ingoodefficiency.

关键词： Ruthenium catalysis Asymmetric isomerization Tandem reaction Chiral dihydrocoumarins Enantioselectivity

Microstructured fluorescence in liquid crystals with femtosecond laser excitation

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Chinese Optics Letters 2024年第3期22卷 154-158页

作者：孟霞金萍葛士军刘娇李炳祥王磊陆延青 College of Electronic and Optical Engineering&College of flexible electronics(Future Technology) Nanjing University of Posts and TelecommunicationsNanjing 210023China National laboratory of Solid State Microstructures College of Engineering and Applied SciencesNanjing UniversityNanjing 210093China State Key laboratory of Millimeter Waves Southeast UniversityNanjing 210096China

This study investigated direct fluorescence generation from a nematic liquid crystal(NLC)NJU-LDn-4 under femtosecond laser *** absorption,transmittance,excitation,and emission spectra of the NLC were *** relationship between the femtosecond pump power and fluorescence intensity was analyzed,revealing a quadratic increase and indicating that two-photon absorption(2PA)is the primary fluorescence *** LC microstructure was designed using photoalignment technology,allowing the generated fluorescence to reflect the corresponding *** research can establish a foundation for tunable LC microstructured fluorescence,with potential applications in fluorescence microscopy and optoelectronics.

关键词： liquid crystal femtosecond laser fluorescence microstructure

Electrochemical deposition of Li_(2)S_(2)/Li_(2)S in aprotic Li–S batteries

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Particuology 2024年第7期90卷 516-521页

作者： Zhifeng Yao Xiaozhong Fan Long Kong School of Civil Engineering Xi'an University of Architecture&TechnologyXi'an 710055China Institute of flexible electronics(IFE) Northwestern Polytechnical UniversityXi'an 710129China

Lithium–sulfur(Li–S)batteries stand out the energy storage systems because of extremely high energy density(2600 W h Kg−1)and low-cost sulfur ***,the sluggish deposition from liquid Li polysulfides(LiPSs)to solid Li2S leads to mild power density and short cycle *** and regulating Li_(2)S_(2)/Li2S deposition are conceived to be importance to deliver second-plateau capacity in acceptable kinetics,which has the potential to operation Li–S batteries under electrolyte-lean *** perspective aims to summarize the proposed models that can describe the nucleation and propagation of three-dimensional Li_(2)S_(2)/Li2S,as well as affords critical views how electrolyte dictates LiPS conversion from liquid to *** hopes to encourage necessary scaffold strategies and electrolyte formulations to further improve energy density and life span of Li–S batteries.

关键词： Lithium–sulfur batteries Electrolyte Li_(2)S precipitation Characterization

Reduction of photodynamic damage of blood vessels in the protected region by(–)-epigallocatechin gallate

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Journal of Innovative Optical Health Sciences 2024年第3期17卷 93-104页

作者： Tianlong Chen Yi Shen Li Lin Huiyun Lin Xuejiao Song Defu Chen Buhong Li MOE Key laboratory of OptoElectronic Science and Technology for Medicine Fujian Provincial Key Laboratory of Photonics TechnologyFujian Normal UniversityFuzhou 350117P.R.China Key laboratory of flexible electronics and Institute of Advanced Materials Nanjing Technology UniversityNanjing 211800P.R.China School of Medical Technology Beijing Institute of TechnologyBeijing 100081P.R.China

Photodynamic therapy(PDT)has been increasingly used in the clinical treatment of neoplastic,inflammatory and infectious skin ***,the generation of reactive oxygen species(ROS)may induce undesired side effects in normal tissue surrounding the treatment lesion,which is a big challenge for the clinical application of *** date,(–)-Epigallocatechin gallate(EGCG)has been widely proposed as an antiangiogenic and antitumor agent for the protection of normal tissue from ROS-mediated oxidative *** study evaluates the regulation ability of EGCG for photodynamic damage of blood vessels during hematoporphyrin monomethyl ether(Hemoporfin)-mediated *** quenching rate constants of EGCG for the triplet-state Hemoporfin and photosensitized 1O2 generation are determined to be 6.8×10^(8)M^(−1)S^(−1),*** vasoconstriction of blood vessels in the protected region treated with EGCG hydrogel after PDT is lower than that of the control region treated with pure hydrogel,suggesting an efficiently reduced photodamage of Hemoporfin for blood vessels treated with *** study indicates that EGCG is an efficient quencher for triplet-state Hemoporfin and 1O2,and EGCG could be potentially used to reduce the undesired photodamage of normal tissue in clinical PDT.

关键词： (–)-Epigallocatechin gallate(EGCG) photodynamic therapy hemopor¯n singlet oxygen blood vessel vasoconstriction.

Acceptor Engineering Produces Ultrafast Nonradiative Decay in NIR-Ⅱ Aza-BODIPY Nanoparticles for Efficient Osteosarcoma Photothermal Therapy via Concurrent Apoptosis and Pyroptosis

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Research 2024年第1期2024卷 625-635页

作者： Zhenxiong Shi Hua Bai Jiaxing Wu Xiaofei Miao Jia Gao Xianning Xu Yi Liu Jiamin Jiang Jiaqi Yang Jiaxin Zhang Tao Shao Bo Peng Huili Ma Dan Zhu Guojing Chen Wenbo Hu Lin Li Wei Huang Frontiers Science Center for flexible electronics Xi’an Institute of Flexible Electronics(IFE)and Xi’an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi’an 710072China Key laboratory for Organic electronics and Information Displays&Institute of Advanced Materials(IAM) Nanjing University of Posts&TelecommunicationsNanjing 210023China Key laboratory of flexible electronics(KLOFE)and IAM Nanjing Tech UniversityNanjing 211800China Britton Chance Center for Biomedical Photonics-MoE Key laboratory for Biomedical Photonics Wuhan National Laboratory for Optoelectronics-Advanced Biomedical Imaging FacilityHuazhong University of Science and TechnologyWuhan 430074China Department of Orthopedics Xijing HospitalThe Fourth Military Medical UniversityXi’an 710032China The Institute of flexible electronics(IFE Future Technologies)Xiamen UniversityXiamen 361005China

Small-molecule photothermal agents(PTAs)with intense second near-infrared(NIR-Ⅱ,1,000 to 1,700 nm)absorption and high photothermal conversion efficiencies(PCEs)are promising candidates for treating deep-seated tumors such as *** date,the development of small-molecule NIR-Ⅱ PTAs has largely relied on fabricating donor–acceptor–donor(D–A–D/D′)structures and limited success has been ***,through acceptor engineering,a donor–acceptor–acceptor(D–A–A′)-structured NIR-Ⅱ aza-boron-dipyrromethene(aza-BODIPY)PTA(SW8)was readily developed for the 1,064-nm laser-mediated phototheranostic treatment of *** the donor groups to acceptor groups produced remarkable red-shifts of absorption maximums from first near-infrared(NIR-Ⅰ)regions(~808 nm)to NIR-Ⅱ ones(~1,064 nm)for aza-BODIPYs(SW1 to SW8).Furthermore,SW8 self-assembled into nanoparticles(SW8@NPs)with intense NIR-Ⅱ absorption and an ultrahigh PCE(75%,1,064 nm).This ultrahigh PCE primarily originated from an additional nonradiative decay pathway,which showed a 100-fold enhanced decay rate compared to that shown by conventional pathways such as internal conversion and vibrational ***,SW8@NPs performed highly efficient 1,064-nm laser-mediated NIR-Ⅱ photothermal therapy of osteosarcoma via concurrent apoptosis and *** work not only illustrates a remote approach for treating deep-seated tumors with high spatiotemporal control but also provides a new strategy for building high-performance small-molecule NIR-Ⅱ PTAs.

关键词： donor BODIPY intense

Surface Patterning of Metal Zinc Electrode with an In‑Region Zincophilic Interface for High‑Rate and Long‑Cycle‑Life Zinc Metal Anode

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Nano-Micro Letters 2024年第6期16卷 192-209页

作者： Tian Wang Qiao Xi Kai Yao Yuhang Liu Hao Fu Venkata Siva Kavarthapu Jun Kyu Lee Shaocong Tang Dina Fattakhova‑Rohlfing Wei Ai Jae Su Yu Department of electronics and Information Convergence Engineering Institute for Wearable Convergence ElectronicsKyung Hee UniversityYongin‑siGyeonggi‑do 17104Republic of Korea Frontiers Science Center for flexible electronics(FSCFE)and Shaanxi Institute of flexible electronics(SIFE) Northwestern Polytechnical University(NPU)127 West Youyi RoadXi’an 710072People’s Republic of China Institute of Energy and Climate Research:Materials Synthesis and Processing(IEK‑1) Forschungszentrum Julich GmbH52425 JulichGermany School of Chemical Engineering Sungkyunkwan University2066 Seobu‑RoJangan‑GuSuwon‑siGyeonggi‑doRepublic of Korea

The undesirable dendrite growth induced by non-planar zinc(Zn)deposition and low Coulombic efficiency resulting from severe side reactions have been long-standing challenges for metallic Zn anodes and substantially impede the practical application of rechargeable aqueous Zn metal batteries(ZMBs).Herein,we present a strategy for achieving a high-rate and long-cycle-life Zn metal anode by patterning Zn foil surfaces and endowing a Zn-Indium(Zn-In)interface in the *** accumulation of electrons in the microchannel and the zincophilicity of the Zn-In interface promote preferential heteroepitaxial Zn deposition in the microchannel region and enhance the tolerance of the electrode at high current ***,electron aggregation accelerates the dissolution of non-(002)plane Zn atoms on the array surface,thereby directing the subsequent homoepitaxial Zn deposition on the array ***,the planar dendrite-free Zn deposition and long-term cycling stability are achieved(5,050 h at 10.0 mA cm^(−2) and 27,000 cycles at 20.0 mA cm^(−2)).Furthermore,a Zn/I_(2) full cell assembled by pairing with such an anode can maintain good stability for 3,500 cycles at 5.0 C,demonstrating the application potential of the as-prepared ZnIn anode for high-performance aqueous ZMBs.

关键词： Zn metal anode Surface patterning Directional Zn deposition Aqueous Zn-I_(2)batteries