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45篇 您的检索式:作者名="Xueliang Sun"
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1A comprehensive review on recent progress in aluminum-air batteries显示文摘The aluminum-air battery is considered to be an attractive candidate as a power source for electric vehicles(EVs) because of its high theoretical energy density(8100 Wh kg^(-1)), which is significantly greater than that of the state-of-the-art lithium-ion batteries(LIBs). However,some technical and scientific problems preventing the large-scale development of Al-air batteries have not yet to be resolved. In this review, we present the fundamentals, challenges and the recent advances in Al-air battery technology from aluminum anode, air cathode and electrocatalysts to electrolytes and inhibitors. Firstly, the alloying of aluminum with transition metal elements is reviewed and shown to reduce the selfcorrosion of Al and improve battery performance. Additionally for the cathode, extensive studies of electrocatalytic materials for oxygen reduction/evolution including Pt and Pt alloys, nonprecious metal catalysts, and carbonaceous materials at the air cathode are highlighted.Moreover, for the electrolyte, the application of aqueous and nonaqueous electrolytes in Al-air batteries are discussed. Meanwhile, the addition of inhibitors to the electrolyte to enhance electrochemical performance is also explored. Finally, the challenges and future research directions are proposed for the further development of Al-air batteries.Yisi Liu Qian Sun Wenzhang Li Keegan R.Adair Jie Li Xueliang Sun 2017Green Energy & Environment2017,2,3:13
2Recent advances and strategies in the stabilization of single-atom catalysts for electrochemical applications显示文摘Owing to the rapidly increasing consumption of fossil fuels,finding clean and reliable new energy sources is of the utmost importance.Thus,developing highly efficient and low-cost catalysts for electrochemical reactions in energy conversion devices is crucial.Single-atom catalysts(SACs)with maximum metal atom utilization efficiency and superior catalytic performance have attracted significant attention,especially for electrochemical reactions.However,because of the highly unsaturated coordination environment,the stability of SACs can be a challenge for practical applications.In this review,we will summarize the strategies to increase the stability of SACs and synthesizing stable SACs,as well as the application of SACs in electrochemical reactions.Finally,we offer a perspective on the development of advanced SACs through rational design and a deeper understanding of SACs with the help of in situ or operando techniques in electrochemical reactions.Junjie Li Lei Zhang Kieran Doyle-Davis Ruying Li Xueliang Sun 2020Carbon Energy2020,2,4:9
3原子层沉积技术制备单原子催化剂(英文)显示文摘贵金属单原子催化剂因具有独特的催化性能和高的利用率而迅速引人关注.原子层沉积(ALD)逐渐成为大批量合成稳定单原子的有力工具.本文总结了采用ALD合成单原子的最新进展,以及未来的研究方向和趋势.Niancai Cheng Xueliang(Andy) Sun 2017Chinese Journal of Catalysis2017,38,9:9
4Defects enriched hollow porous Co-N-doped carbons embedded with ultrafine CoFe/Co nanoparticles as bifunctional oxygen electrocatalyst for rechargeable flexible solid zinc-air batteries显示文摘The construction and design of highly efficient and inexpensive bifunctional oxygen electrocatalysts substitute for noble-metal-based catalysts is highly desirable for the development of rechargeable Zn-air battery(ZAB).In this work,a bifunctional oxygen electrocatalysts of based on ultrafine CoFe alloy(4-5 nm)dispersed in defects enriched hollow porous Co-N-doped carbons,made by annealing SiO2 coated zeolitic imidazolate framework-67(ZIF-67)encapsulated Fe ions.The hollow porous structure not only exposed the active sites inside ZIF-67,but also provided efficient charge and mass transfer.The strong synergetic coupling among high-density CoFe alloys and Co-N_(x) sites in Co,N-doped carbon species ensures high oxygen reduction reaction(ORR)and oxygen evolution reaction(OER)activity.First-principles simulations reveal that the synergistic promotion effect between CoFe alloy and Co-N site effectively reduced the formation energy of from O^(*)to OH^(*).The optimized CoFe-Co@PNC exhibits outstanding electrocatalytic stability and activity with the overpotential of only 320 mV for OER at 10 mA·cm^(−2) and the half-wave potential of 0.887 V for ORR,outperforming that of most recent reported bifunctional electrocatalysts.A rechargeable ZAB constructed with CoFe-Co@PNC as the air cathode displays long-term cyclability for over 200 h and high power density(152.8 mW·cm^(−2)).Flexible solid-state ZAB with our CoFe-Co@PNC as the air cathode possesses a high open circuit potential(OCP)up to 1.46 V as well as good bending flexibility.This universal structure design provides an attractive and instructive model for the application of nanomaterials derived from MOF in the field of sustainable flexible energy applications device.Zhao Lei Yangyang Tan Zeyi Zhang Wei Wu Niancai Cheng Runzhe Chen Shichun Mu Xueliang Sun 2021Nano Research2021,14,3:9
5Single-atom catalysts by the atomic layer deposition technique显示文摘Noble metal nanocatalysts have been widely applied in the petrochemical industry,medicine,environmental protection and energy sectors.To decrease the cost and maximize the utilization efficiency,single-atom catalysts (SaCs), as a new frontier in heterogeneous catalysis,have attracted considerable attention due to their unique catalytic properties.Unlike traditional nanocatalysts,the catalytic performance of single-atom catalysts is highly dependent on their low-coordination environment, quantum size effects and metal-support interaction.Recently,several methods have been developed for the preparation of single-atom catalysts,including the impregnation method [1],co-precipitation method [2],photo-reduction method [3]and atomic layer deposition (ALD) method [4-6].Among these,the ALD process is a powerful approach for studying the relationship between the catalysts'structure and their catalytic performances,as it has a great capability to precisely control the deposition of single atoms and nanoclusters.In this perspective,we will briefly discuss the recent progress in the rational design of single-atom catalysts through atomic layer deposition.In addition,we will summarize the key issues for the development of ALD methods and the outlook for future research trends.Lei Zhang Mohammad Norouzi Banis Xueliang Sun 2018National Science Review2018,5,5:6
6The application of carbon materials in nonaqueous Na‐O2 batteries显示文摘Na‐O2 batteries are advantageous as the candidates of next‐generation electric vehicles due to their ultrahigh theoretical energy density and have attracted enormous attention recently.Tremendous efforts have been devoted to improve the Na‐O2 battery performance by designing advanced electrodes with various carbonbased materials.Carbon materials used in Na‐O2 batteries not only function as the air electrode to provide active sites and accommodate discharge products but also as Na anode protectors against dendrite growth and chemical/electrochemical corrosion.In this review,we mainly focus on the application of various carbonbased materials in Na‐O2 batteries and highlight their advances.The scientific understanding on the fundamental design of the material microstructure and chemistry in relation to the battery performance are summarized.Finally,perspectives on enhancing the overall battery performance based on the optimization and rational design of carbon‐based cell components are also briefly anticipated.Xiaoting Lin Qian Sun Kieran Doyle Davis Ruying Li Xueliang Sun 2019Carbon Energy2019,1,2:5
7Effects of bimetallic catalysts on synthesis of nitrogen-doped carbon nanotubes as nanoscale energetic materials显示文摘Well aligned nitrogen-doped carbon nanotubes (CNx-NTs), as energetic materials, are synthesized on a silicon substrate by aerosol-assisted chemical vapor deposition. Tungsten (W) and molybdenum (Mo) metals are respectively introduced to combine with iron (Fe) to act as a bimetallic co-catalyst layer. Correlations between the composition and shape of the co-catalyst and morphology, size, growth rate and nitrogen doping amount of the synthesized CN x -NTs are investigated by secondary and backscattered electron imaging in a field emission scanning electron microscope (FESEM) and X-ray photoelectron spectrometer (XPS). Compared to pure iron catalyst, W-Fe co-catalyst can result in lower growth rate, larger diameter and wider size distribution of the CN x -NTs; while incorporation of molybdenum into the iron catalyst layer can reduce the diameter and size distribution of the nanotubes. Compared to the sole iron catalyst, Fe-W catalyst impedes nitrogen doping while Fe-Mo catalyst promotes the incorporation of nitrogen into the nanotubes. The present work indicates that CN x -NTs with modulated size, growth rate and nitrogen doping concentration are expected to be synthesized by tuning the size and composition of co-catalysts, which may find great potential in producing CNx-NTs with controlled structure and properties.Hao Liu Yong Zhang Ruying Li Xueliang Sun Hakima Abou-Rachid 2011Particuology2011,9,5:3
8Tuning the dual-active sites of ZIF-67 derived porous nanomaterials for boosting oxygen catalysis and rechargeable Zn-air batteries显示文摘The rational control of the active site of metal-organic frameworks(MOFs)derived nanomaterials is essential to build efficient bifunctional oxygen reduction/evolution reaction(ORR/OER)catalysts.Accordingly,through designing and constructing a Co_(3)O_(4)-Co heterostructure embedded in Co,N co-doped carbon polyhedra derived(Co_(3)O_(4)-Co@NC)from the in-situ compositions of ZIF-67 and cobalt nanocrystals synthesized by the strategy of in-situ NaBH4 reduction,the dual-active site(Co_(3)O_(4)-Co and Co-N_(x))is synchronously realized in a MOFs derived nanomaterials.The formed Co_(3)O_(4)-Co@NC shows excellent bifunctional electrocatalytic activity with ultra-small potential gap(ΔE=E_(j=10)(OER)–E_(1/2)(ORR))of 0.72 V,which surpasses the commercial Pt/C and RuO_(2) catalysts.The theory calculation results reveal that the excellent bifunctional electrocatalytic activity can be attributed to the charge redistribution of Co of Co-N_(x) induced by the synergistic effects of well-tuned active sites of Co_(3)O_(4)-Co nanoparticle and Co-N_(x),thus optimizing the rate-determining step of the desorption of O_(2)^(*)intermediate in ORR and OH^(*)intermediate in OER.The rechargeable Zn-air batteries with our bifunctional catalysts exhibit superior performance as well as high cycling stability.This simple-effective optimization strategy offers prospects for tuning the active site of MOF derived bifunctional catalyst in electrochemical energy devices.Zeyi Zhang Yangyang Tan Tang Zeng Liyue Yu Runzhe Chen Niancai Cheng Shichun Mu Xueliang Sun 2021Nano Research2021,14,7:3
9DKK4-knockdown enhances chemosensitivity of A549/DTX cells to docetaxel显示文摘Xueliang Yang Yang Liu Weina Li Aimin Li Quan Sun 2017Acta Biochimica et Biophysica Sinica2017,49,10:2
10Facile controlled synthesis and growth mechanisms of flower-like and tubular MnO 2 nanostructures by microwave-assisted hydrothermal method显示文摘Yongliang Li Jiajun Wang Yong Zhang Mohammad Norouzi Banis Jian Liu Dongsheng Geng Ruying Li Xueliang Sun 2011Journal of Colloid And Interface Science2011,,1:1
11Growth of carbon nanotubes on carbon paper by ohmically heating silane-dispersed catalytic sites显示文摘Sun Xueliang Stansfielde B Dodelet JP 2002Chemical Physics Letters2002,363,5:1
12On the strong rainbow connection of a graph显示文摘LI Xueliang SUN Yuefang 2003Bull Malays Math Sci Soc2003,,2:1
13Rainbow connection numbers of line graphs显示文摘LI Xueliang SUN Yuefang 2011Ars Combin2011,100,:1
14Utilizing the full capacity of carbon black as anode for Na-ion batteries via solvent co-intercalation显示文摘Wei Xiao Qian Sun Jian Liu Biwei Xiao Per-Anders Glans Jun Li Ruying Li Jinghua Guo Wanli Yang Tsun-Kong Sham Xueliang Sun 2017Nano Research2017,10,12:1
15An Experimental Study on Fatigue Characteristics for Viscoelastic Suspension of Construction Vehicles 显示文摘Sun Dagang Song Yong Zhang Xueliang 2008Transactions of the CSME2008,23,2:1
16Nitrogen doping effects on the structure of graphene显示文摘Dongsheng Geng Songlan Yang Yong Zhang Jinli Yang Jian Liu Ruying Li Tsun-Kong Sham Xueliang Sun Siyu Ye Shanna Knights 2011Applied Surface Science2011,,21:1
17Light-Ac- tivated Covalent Formation of Gold Nanoparticle-Graphene and Gold Nanoparticle-Glass Composites 显示文摘Hossein tsmaili Dongsheng Geng Andy Xueliang Sun 2011Langmuir2011,27,13:1
18Carbon Black Cathodes for Lithium Oxygen Batteries: Influence of Porosity and Heteroatom-doping显示文摘Yongliang Li Xifei Li Dongsheng Geng Yongji Tang Ruying Li Jean-Pol Dodelet Michel Lefèvre Xueliang Sun 2013Carbon2013,,:1
193D porous LiFePO 4 /graphene hybrid cathodes with enhanced performance for Li-ion batteries显示文摘Jinli Yang Jiajun Wang Dongniu Wang Xifei Li Dongsheng Geng Guoxian Liang Michel Gauthier Ruying Li Xueliang Sun 2012Journal of Power Sources2012,,:1
20Experimental and Kinetic Studies of Acetylene Flames at Elevated Pressures显示文摘Xiaobo Shen Xueliang Yang Jeffrey Santner Jinhua Sun Yiguang Ju 2014Proceedings of the Combustion Institute2014,,:1
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