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Sulfolane‑Based Flame‑Retardant Electrolyte for High‑Voltage Sodium‑Ion Batteries

Nano-Micro Letters 2025年第2期17卷 498-516页

作者： Xuanlong He Jie Peng Qingyun Lin Meng Li Weibin Chen Pei Liu Tao Huang Zhencheng Huang Yuying Liu Jiaojiao Deng Shenghua Ye Xuming yang Xiangzhong ren xiaoping Ouyang Jianhong Liu Biwei xiao Jiangtao Hu Qianling Zhang Graphene Composite Research Center College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen 518060People’s Republic of China Center of Electron Microscopy State Key Laboratory of Silicon and Advanced Semiconductor MaterialsSchool of Materials Science and EngineeringZhejiang UniversityHangzhou 310027People’s Republic of China GRINM(Guangdong)Research Institute for Advanced Materials and Technology FoshanGuangdong 528051People’s Republic of China College of Energy Engineering Zhejiang UniversityHangzhouZhejiang 310027People’s Republic of China School of Materials Science and Engineering Xiangtan UniversityXiangtan 411105People’s Republic of China Shenzhen Eigen-Equation Graphene Technology Co.Ltd Shenzhen 518000People’s Republic of China

Sodium-ion batteries hold great promise as next-generation energy storage ***,the high instability of the electrode/electrolyte interphase during cycling has seriously hindered the development of *** particular,an unstable cathode–electrolyte interphase(CEI)leads to successive electrolyte side reactions,transition metal leaching and rapid capacity decay,which tends to be exacerbated under high-voltage ***,constructing dense and stable CEIs are crucial for high-performance *** work reports localized high-concentration electrolyte by incorporating a highly oxidation-resistant sulfolane solvent with non-solvent diluent 1H,1H,5H-octafluoropentyl-1,1,2,2-tetrafluoroethyl ether,which exhibited excellent oxidative stability and was able to form thin,dense and homogeneous *** excellent CEI enabled the O3-type layered oxide cathode NaNi_(1/3)Mn_(1/3)Fe_(1/3)O_(2)(NaNMF)to achieve stable cycling,with a capacity retention of 79.48%after 300 cycles at 1 C and 81.15%after 400 cycles at 2 C with a high charging voltage of 4.2 *** addition,its nonflammable nature enhances the safety of *** work provides a viable pathway for the application of sulfolane-based electrolytes on SIBs and the design of next-generation high-voltage electrolytes.

关键词： Sodium-ion batteries Sulfolane-based electrolyte High voltage Layered oxide cathode Flame retardant

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1773K时熔融Ni与Al_2O_3陶瓷的润湿现象分析

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武汉理工大学学报 2009年第1期31卷 12-15页

作者：刘兰霄肖锋杨仁辉重庆工学院材料界面物理化学研究所重庆400050

采用改良静滴法观察了熔融Ni与多晶Al2O3陶瓷基板上的润湿行为,测定并分析了Ar+3%H2气氛下1773K时熔融Ni的接触角,计算了Ni/Al2O3界面附着功,评价了二者的润湿性。结果表明:熔融Ni在Al2O3陶瓷基板上的初始接触角为115°,经过了快速下降... 详细信息

采用改良静滴法观察了熔融Ni与多晶Al2O3陶瓷基板上的润湿行为,测定并分析了Ar+3%H2气氛下1773K时熔融Ni的接触角,计算了Ni/Al2O3界面附着功,评价了二者的润湿性。结果表明:熔融Ni在Al2O3陶瓷基板上的初始接触角为115°,经过了快速下降和缓慢下降2个阶段最终达到平衡,平衡时接触角为100.8°—101.3°,界面处的附着功为1431mJ/m2。熔融Ni与Al2O3陶瓷的界面处可能生成的产物为NiO、Al2NiO4以及AlNi3等化合物,熔融Ni与Al2O3陶瓷基板的润湿过程为反应润湿行为。

关键词： Ni Al2O3 润湿性界面反应

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国际无线电科学协会中国委员会关于1984—1986年电磁波计量进展的报告(英文)

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计量学报 1987年第3期 242-247页

作者：杨孝仁乔石琼

Ⅰ. Introduction This is a survey of the 1984-1986 progresses on electromagnetic metrology in China contributed by the following organizations: BIRMM Beijing Institute of Radio Metrology and Measurement BIRSE Beijing ... 详细信息

关键词： metrology Electron Harbin pumped resonator instab Chuan tuning cascaded gaseous

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BRCC3基因敲除小鼠的构建和表型初步分析

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军事医学 2018年第1期42卷 44-48页

作者：肖阳任广明詹轶群于淼李长燕杨晓明尹荣华军事科学院军事医学研究院北京100850

目的构建BRCC3（BRCAl／BRCA2一containing complex subunit3）基因敲除小鼠，并对其表型进行初步研究。方法利用Cas9／sgRNA基因编辑技术构建BRCC3基因敲除小鼠；提取鼠尾基因组DNA，在DNA水平对小鼠基因型进行鉴定；提取小鼠心、肝、... 详细信息

目的构建BRCC3（BRCAl／BRCA2一containing complex subunit3）基因敲除小鼠，并对其表型进行初步研究。方法利用Cas9／sgRNA基因编辑技术构建BRCC3基因敲除小鼠；提取鼠尾基因组DNA，在DNA水平对小鼠基因型进行鉴定；提取小鼠心、肝、脾、肺、肾的RNA和蛋白质，利用***和Western印迹（WB）技术检测BRCC3基因的表达。观测敲除小鼠体质量变化趋势及可能影响生长发育和代谢的指标；对小鼠的主要脏器进行苏木精一伊红（HE）染色；小鼠外周血血常规检测。结果成功构建了BRCC3基因敲除小鼠。BRCC3敲除小鼠可正常生长繁殖，血脂和肝功能等代谢指标基本正常，各组织器官无明显病变，外周血血常规各指标均正常。BRCC3敲除小鼠体质量增加，血清胆固醇含量增高。结论BRCC3可能参与小鼠体质量调节及胆固醇代谢。

关键词： BRCC3 小鼠基因敲除表型分析基因型基因表达泛素化

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Motivational interviewing in postoperative rehabilitation and chronic disease management: Current findings and future research directions

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World Journal of Psychiatry 2025年第1期15卷 26-31页

作者： Bing-ren Zhang xiao yang Affiliated Hospital(School of Clinical Medicine) Hangzhou Normal UniversityHangzhou 311121Zhejiang ProvinceChina Mental Health Education and Counseling Center Hangzhou Normal UniversityHangzhou 311121Zhejiang ProvinceChina

This editorial highlights a recently published study examining the effectiveness of music therapy combined with motivational interviewing(MI)in addressing an-xiety and depression among young and middle-aged patients following percuta-neous coronary *** further explores existing evidence and potential future research directions for MI in postoperative rehabilitation and chronic disease *** aims to facilitate behavioral change and promote healthier lifestyles by fostering a trusting relationship with patients and enhan-cing intrinsic *** has demonstrated its effectiveness in posto-perative recovery for oncological surgery,stroke,organ transplants,and gastroin-testinal procedures,as well as in managing chronic conditions such as diabetes,obesity,and periodontal *** approach is patient-centered,adaptable,cost-effective,and easily replicable,though its limitations include reliance on the therapist’s expertise,variability in individual responses,and insufficient long-term follow-up *** research could focus on developing individualized and precise intervention models,exploring applications in digital health management,and confirming long-term outcomes to provide more compre-hensive support for patient rehabilitation.

关键词： Chronic disease management Motivational interviewing Patient-centered Postoperative rehabilitation Treatment adherence

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Infectious Behavior in Photo-oxidation of Polymers

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Chinese Journal of Polymer Science 2020年第3期38卷 248-256,I0006页

作者： Xuan Liu xiao-Peng ren Rui yang Department of Chemical Engineering Tsinghua University

When a polymer is used together with others,its aging process will be affected by the adjacent *** infectious behavior between polymers makes the aging process more complex than that of an individual *** this study,infectious behavior in photooxidation of polymers was ***(PPs),an unstabilized PP and a commercial PP,were chosen as the infection *** typical polymers,high density polyethylene(HDPE),low density polyethylene(LDPE),polystyrene(PS),polycarbonate(PC),poly(ethylene terephthalate)(PET),and polyamide 6(PA6),were used as the *** degree of oxidation of the targets was evaluated by attenuated total reflection-Fourier transform infrared spectroscopy(ATR-FTIR).An accelerating effect of two infection sources on the photo-oxidation of the target polymers was *** infectious agents from the infection sources were detected by pyrolysis-gas chromatography-mass spectrometry(Py-GC-MS)and gas chromatography(GC).The acceleration effect of two main infectious agents,*** and acetic acid,on the photo-oxidation of the commercial PP was *** infectious effect of the infection source on the target polymer was considered to be a comprehensive result of the effects of a variety of infectious agents.

关键词： Photo-oxidation Infection source Infectious agent Polypropylene

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Sensitivity to Stress Concentration of Steel at High Temperature

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Journal of Iron and Steel Research International 2003年第3期10卷 59-63页

作者： xiao Feng yang ren-hui Chongqing Institute of Technology

A new experimental method was developed to simulate the generation of the surface transversal crack on the continuous casting slab with a discontinuous sample. A high temperature property of steel named"the sensitivity to the stress concentration of steel at high temperature"was defined to evaluate the effect of stress concentration on thermal plasticity of steel. "The sensitivity parameter to the stress concentration of steel at high temperature"was available to determine the temperature range in which steel is sensitive to the stress concentration.

关键词： stress concentration continuous casting surface crack high temperature property

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Some Properties of Abnormal Extremals on Lie Groups

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Acta Mathematica Sinica,English Series 2014年第12期30卷 2119-2136页

作者： Ti ren HUANG xiao Ping yang Department of Mathematics Zhejiang Sci-Tech University Department of Applied Mathematics Nanjing University of Science & Technology

Let G be a connected Lie group and D be a bracket generating left invariant *** this paper,first,we prove that all sub-Riemannian minimizers are smooth in Lie groups if the distribution D satisfies [D,[D,D]]D and [K,[K,K]]K for any proper sub-distribution K of ***,we prove that all sub-Riemannian minimizers are smooth in Lie group if the rank-3 distribution D satisfies Condition（B）.Third,we discuss characterizations of normal extremals,abnormal extremals,rigid curves,and minimizers on product sub-riemannian Lie *** prove that not all strictly abnormal minimizers are rigid curves and construct a strictly abnormal minimizer which is not a rigid curve.

关键词： Extremal geodesic rigid curve Lie group

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Free vibration analysis of a spinning piezoelectric beam with geometric nonlinearities

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Acta Mechanica Sinica 2019年第4期35卷 879-893页

作者： Wei Li xiao-Dong yang Wei Zhang Yuan ren Tian-Zhi yang Beijing Key Laboratory of Non-linear Vibrations and Strength of Mechanical Engineering College of Mechanical Engineering Beijing University of Technology Beijing100124 China Department of Aerospace Science and Technology Space Engineering University Beijing 101416 China Department of Mechanics Tianjin University Tianjin 300072 China

The linear and non-linear free vibrations of a spinning piezoelectric beam are studied by considering geometric nonlinearities and electromechanical coupling effect. The non-linear differential equations of the spinning piezoelectric beam governing two transverse vibrations are derived by using two Euler angles transformation and extended Hamilton principle, wherein an additional piezoelectric coupling term and different linear terms are present in contrast to the traditional shaft model. Linear frequencies are obtained by solving the standard eigenvalues of the linearized system directly, and the non-linear frequencies and non-linear complex modes are achieved by using the method of multiple scales. For free vibrations analysis of a spinning piezoelectric beam, the non-linear modal motions are investigated as forward and backward precession with different spinning speeds. The responses to the initial conditions for such a gyroscopic system are studied,and a beat phenomenon is found, which are then validated by numerical simulation. The influences of some parameters such as electrical resistance, rotary inertia and spinning speeds to the non-linear dynamics of a spinning piezoelectric beam are investigated.

关键词： Spinning piezoelectric beam Free vibrations Non-linear frequencies Complex modes

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Simultaneously Improved Dielectric Constant and Breakdown Strength of PVDF-based Composites with Polypyrrole Nanowire Encapsuled Molybdenum Disulfide Nanosheets

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Chinese Journal of Polymer Science 2022年第5期40卷 515-525页

作者： Hua-Bin Luo xiao-ren Pan Jing-Hui yang xiao-Dong Qi Yong Wang School of Materials Science&Engineering Key Laboratory of Advanced Technology of Materials(Ministry of Education)Southwest Jiaotong UniversityChengdu 610031China

High-performance dielectric polymer composites have received increasing attention due to their important applications in the field of energy *** rational structural design of hybrid fillers can lead to a balance between high dielectric constant and insulation in *** this work,novel hybrid fillers were fabricated by in situ synthesizing one-dimensional polypyrrole nanowires(PPynws)on the twodimensional molybdenum disulfide(MoS_(2)),which integrated the good ion polarization ability of PPynws and the high insulation and adjustable band gap of MoS_(2).Compared with the binary poly(vinylidene fluoride)(PVDF)/MoS_(2) composites,the PVDF/MoS_(2)-PPynws composites exhibited remarkably improved dielectric constant and breakdown strength,while the dielectric loss was still maintained at a low *** optimal ternary composite with 1 wt%MoS_(2)-PPynws showed a high dielectric constant(15@1kHz),suppressed dielectric loss(0.027@1kHz),and high breakdown strength(422.1 MV/m).PPynws inducing strong interfacial polarization and the highly insulated MoS_(2) nanosheets extending the breakdown path mainly contributed to the synchronously enhanced dielectric constant and breakdown *** intriguing synthesis method of PVDF/MoS_(2)-PPynws nanocomposite will open up new opportunities for fabricating nanostructured polymer composites to produce high dielectric materials.

关键词： Hybrid fillers Molybdenum disulfide Polypyrrole nanowires Dielectric composites Breakdown strength

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