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| 1 | Rapid room-temperature synthesis of a porphyrinic MOF for encapsulating metal nanoparticles显示文摘While metal nanoparticles(NPs)have shown great promising applications as heterogeneous catalysts,their agglomeration caused by thermodynamic instability is detrimental to the catalytic performance.To tackle this hurdle,we successfully prepared a functional and stable porphyrinic metal-organic framework(MOF),PCN-224-RT,as a host for encapsulating metal nanoparticles by direct stirring at room temperature.As a result,Pt@PCN-224-RT composites with well-dispersed Pt NPs can be constructed by introducing pre-synthesized Pt NPs into the precursor solution of PCN-224-RT.Of note,the rapid and simple stirring method in this work is more in line with the requirements of environmental friendly and industrialization compared with traditional solvothermal methods. | Huihui He Luyan Li Yang Liu Meruyert Kassymova Dandan Li Liangliang Zhang Hai-Long Jiang | 2021 | Nano Research2021，14，2： | 3 |
| 2 | Degradable Hybrid CuS Nanoparticles for Imaging-Guided Synergistic Cancer Therapy via Low-Power NIR-II Light Excitation显示文摘Near-infrared(NIR)-II light-excitable photonic agents capable of generating tumor hyperthermia and cytotoxic free radicals are promising for synergistic phototherapy of tumors.However,the lack of NIR-II excitable agents makes it challenging to achieve combinational tumor phototherapy.Here,the authors have reported on a tumor-targeting and degradable hybrid copper sulfide(CuS)nanoparticle(AIBA@CuS-FA)via loading a hydrophilic Azo initiator(AIBA)into an amphiphilic lipid-encapsulating CuS nanoparticle.AIBA@CuS-FA shows high photothermal conversion efficiency(PCE≈47.5%)at 1064 nm,enabling heat production to trigger tumor hyperthermia and thermal decomposition of AIBA into cytotoxic free alkyl radicals upon irradiation with a 1064-nm laser under low-power density(0.5 W/cm2).Moreover,alkyl radicals can drive degradation of AIBA@CuS-FA and embedded CuS nanodisks,releasing Cu^(2+)ions that can catalyze a Fenton-like reaction for hydroxyl radical(•OH)production to promote tumor therapy.Findings demonstrate promise for combinational photothermal therapy(PTT),oxygen-independent alkyl radical therapy,and chemodynamic therapy(CDT)of tumors. | Yidan Sun Hua Shi Xiaoyang Cheng Luyan Wu Yuqi Wang Zhengyang Zhou Jian He Hong-Yuan Chen Deju Ye | 2021 | CCS Chemistry2021，3，5： | 2 |
| 3 | Effects of Cracks on the Mass Transfer of Polymer Electrolyte Membrane Fuel Cell with High Performance Membrane Electrode Assembly显示文摘A two-dimensional geometric model is developed for a polymer electrolyte based on the liquid water penetration mechanism in the membrane electrode assemblies under the action of capillary pressure.The effects of the diameter,number,and distribution of cracks in the micro-pore layers(MPLs)of the modeled MEA on the performance of the PEMFC are simulated to investigate the influence of mass transfer across the membrane.The results indicate that liquid water in the catalyst layer(CL)of the MEA can be discharged to gas channels through the cracks in MEA under the action of capillary pressure,thereby alleviating the flooding in the CL and enhancing the diffusion of oxygen to the CL.When the proportion of the total area of cracks in the active area of the MEA was 8%-12%,crack diameter was 20-30μm,and cracks were distributed uniformly.MEAs with and without cracks were prepared,fuel cells were assembled,and their performance was measured.The effects of cracks on mass transfer were then verified.This study helps prepare MEAs with controllable cracks. | 施金蓉 詹志刚 ZHANG Di YU Yuan YANG Xiaoxiang HE Luyan PAN Mu | 2021 | Journal of Wuhan University of Technology(Materials Science)2021，36，3： | 1 |
| 4 | Research on error accumulation control of three-dimensional adjustment with offset constraint显示文摘Background Currently,laser tracker is the primary instrument used to carry out three-dimensional position measurement in accelerator alignment.Theoretically,three-dimensional measuring data processed by three-dimensional adjustment are more rigorous,however,error accumulation is found in practice.Purpose In order to control error accumulation and further improve the measurement accuracy of accelerator alignment,this research introduces the laser alignment system into the activity of measurement and data processing.Methods A measurement scheme combining laser tracker and laser alignment system is proposed.To construct the constraint condition,the offset values from the measuring points to the laser straight-line datum were used.To carry out the three-dimensional adjustment with offset constraint,the laser tracker observations were used.Results A three-dimensional adjustment function model of laser tracker observations is given.The construction method of the constraint equation is researched,and the calculation formulas of the three-dimensional adjustment with offset constraint are derived.A 200 m linac tunnel control network is designed,using simulation measurement method,the measuring data of laser tracker and the offset values from the measuring points to the laser straight-line datum were generated.The simulated data are calculated by the method given in this paper and the result is analyzed.Conclusion Simulation result shows introducing the laser alignment system into laser tracker measurement and applying the three-dimensional adjustment with offset constraint can effectively suppress the error accumulation caused by long distance move station measurement. | Wang Xiaolong Kang Ling Dong Lan Li Bo Men Lingling Luo Tao Wang Tong Liang Jing He Zhenqiang Ke Zhiyong Ma Na Lu Shang Han Yuanying Yan Luping Zhang Luyan Liu Xiaoyang Yan Haoyue Li Chunhua Wu Lei | 2022 | Radiation Detection Technology and Methods2022，6，4： | 0 |
| 5 | Sulfonamide and Morpholine-Based Dual Chemosensor for Cu^2+ and Ag^+ in Different Solvent Media显示文摘 | Fang Hu Rui Li Jinjian Wang Luyan He Xing Li Jun Yin Shenghua Liu | 2016 | Chinese Journal of Chemistry2016，34，9： | 0 |
| 6 | Thermal Runaway Characteristics and Modeling of LiFePO4 Power Battery for Electric Vehicles显示文摘LiFePO_(4)(LFP)lithium-ion batteries have gained widespread use in electric vehicles due to their safety and longevity,but thermal runaway(TR)incidents still have been reported.This paper explores the TR characteristics and modeling of LFP batteries at different states of charge(SOC).Adiabatic tests reveal that TR severity increases with SOC,and five stages are identified based on battery temperature evolution.Reaction kinetics parameters of exothermic reactions in each TR stage are extracted,and TR models for LFP batteries are established.The models accurately simulate TR behaviors at different SOCs,and the simulated TR characteristic temperatures also agree well with the experimental results,with errors of TR characteristic temperatures less than 3%.The prediction errors of TR characteristic temperatures under oven test conditions are also less than 1%.The results provide a comprehensive understanding of TR in LFP batteries,which is useful for battery safety design and optimization. | Tao Sun Luyan Wang Dongsheng Ren Zhihe Shi Jie Chen Yuejiu Zheng Xuning Feng Xuebing Han Languang Lu Li Wang Xiangming He Minggao Ouyang | 2023 | Automotive Innovation2023，6，3： | 0 |
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