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MOF and its derivative materials modified lithium-sulfur battery separator:a new means to improve performance

Rare Metals 2024年第6期43卷 2418-2443页

作者： Rong-Wei Huang yong-qi wang Dan You Wen-Hao Yang Bin-Nan Deng Fei wang Yue-Jin Zeng Yi-yong Zhang Xue Li National Local Joint Engineering Research Center for Lithium-Ion Batteries and Materials Preparation Technology Key Laboratory of Advanced Batteries Materials of Yunnan ProvinceFaculty of Metallurgical and Energy EngineeringKunming University of Science and TechnologyKunming 650093China State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Centre of Chemistry for Energy MaterialsState-Province Joint Engineering Laboratory of Power Source Technology for New Energy VehicleEngineering Research Center of Electrochemical TechnologyMinistry of EducationCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China

In recent years,lithium-sulfur batteries(LSBs)are considered as one of the most promising new generation energies with the advantages of high theoretical speeific capacity of sulfur(1675 mAh·g^(-1)),abundant sulfur resources,and environmental friendliness storage technologies,and they are receiving wide attention from the ***,the problems of the shuttle effect and lithium dendrite growth in LSBs have limited their practical application,so there is a need to find ways to solve these *** is an excellent choice to use novel materials to modify battery *** those novel materials,the metal-organic framework(MOF)has the properties of regular pores and controllable *** applied as a positive electrode and diaphragm,it can restrain the shuttle effect and lithium dendrite growth,especially since it shows excellent performance in diaphragm ***,various design strategies and synthesis methods of MOF-modified separators are reviewed in this paper,and the applications of MOF in LSBs separators in different forms are introduced,including the composite of MOF and carbon-based materials,the compounding of MOF and polymer,self-carbonization to form MOF-derived *** the same time,different characterization techniques are systematically reviewed to obtain the physical and chemical properties of MOF particles and the working mechanism of MOF-modified diaphragm,which provides a basis for further research in this ***,some future research trends and directions are put forward to fully tap the future commercial potential of MOF-modified diaphragm in LSBs.

关键词： MOF Lithium-sulfur battery Modified diaphragms Design strategies Prospect Characterization

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Heterostructure:application of absorption-catalytic center in lithium-sulfur batteries

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Rare Metals 2024年第4期43卷 1461-1487页

作者： Fei wang Chun-Man Yang yong-qi wang Dan You Wen-Hao Yang Rong-Wei Huang Ji-Yue Hou qian wang Ying-Jie Zhang Ying wang Yue-Jing Zeng Yi-yong Zhang Xue Li National Local Joint Engineering Research Center for Lithium-Ion Batteries and Materials Preparation Technology Key Laboratory of Advanced Batteries Materials of Yunnan ProvinceFaculty of Metallurgical and Energy EngineeringKunming University of Science and TechnologyKunming650093China College of Electrical Information Engineering Panzhihua UniversityPanzhihua617000China State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Centre of Chemistry for Energy MaterialsState-Province Joint Engineering Laboratory of Power Source Technology for New Energy VehicleEngineering Research Center of Electrochemical TechnologyMinistry of EducationCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China

Due to the high theoretical specific capacity(1675 mAh·g^(-1)),low cost,and high safety of the sulfur cathodes,they are expected to be one of the most promising rivals for a new generation of energy storage ***,the shuttle effect,low conductivity of sulfur and its discharge products,volume expansion,and other factors hinder the commercialization of lithium-sulfur batteries(LSBs).The development of sulfur-fixing materials and the design of multifunctional materials to enhance the electrochemical performance of LSBs have been the main research priorities in recent *** of the advantages of high conductivity,built-in electric field,and good synergism,more and more researchers have employed heterostructure into sulfur-fixing materials to enhance the catalytic and absorption ability for *** this review,the principle of heterostructure and the mechanism of enhancing the performance of lithium-sulfur batteries are *** applications of heterostructure in cathode and interlayer of LSBs in the latest years are ***,the cutting-edge troubles and possibilities of heterostructures in LSBs are briefly presented.

关键词： Lithium-sulfur batteries(LSBs) Heterostructure Built-in electric field Catalytic Absorption

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Two new secolignans from the roots of Urtica mairei Levi.

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Chinese Chemical Letters 2008年第10期19卷 1212-1214页

作者： Wei wang Xing Guo Yan Li Xin Duan Yuan Zhou Ling Tang yong qi wang Bao Min Feng College of Bioengineering Dalian University Economic and Development Zone Dalian 116622 China Center for Signal Transduction and Metabolomics Institute of Botany Chinese Academy of Sciences Beijing 10093 China Liaoning Key Laboratory of Bioorganic Chemistry Dalian University Economic and Development Zone Dalian 116622 China

Two new secolignans （1 and 2） were isolated from the roots of Urtica mairei Levi. The structures of these two compounds were determined on the basis of extensive spectroscopic methods including HR-EI-MS, 1D and 2D N... 详细信息

关键词： Urtica mairei Levi. Secolignans Urticaceae

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Two new kaempferol glycosides from the seeds of Camellia semiserrata Chi

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Chinese Chemical Letters 2011年第7期22卷 835-838页

作者： Ling Tang Xiao Juan Wu Bao Min Feng Li Ying Shi Xue Yan Fu yong qi wang Mei Feng Liu College of Bioengineering Dalian University Dalian 116622 China Liaoning Key Laboratory of Bioorganic Chemistry Dalian University Dalian 116622 China Pharmaceutical Department Ningxia Medical University Yinchuan 750004 China School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510640 China

Two new acetylated kaempferol glycosides were isolated from the seeds of Camellia semiserrata Chi, their structures were elucidated as kaempferol-3-O-[（3-O-acetyl）-a-L-rhamnopyranosyl（1 →3）（4-O-acetyl）-α-L-rhamnopyranosyl（1→ 6）-β-D-glucopyranoside] （1） and kaempferol-3-O-[（2-O-acetyl）-α-L-rhamnopyranosyl （1 →3）（4-O-acetyl）-α-L-rhamnopyranosyl（1 →6）-β-D- gluco-pyranoside] （2） by spectral experiments （including ESI-MS, 1D- and 2D-NMR）..

关键词： Camellia semiserrata Chi Kaempferol glycosides Theaceae

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Yield ratio of neutrons to protons in 12C（d,n）13N and 12C（d,p）13C from 0.6 to 3 MeV

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Nuclear Science and Techniques 2019年第12期30卷 65-71页

作者： Wu-Jie Li Yu-Gang Ma Guo-qiang Zhang Xian-Gai Deng Mei-Rong Huang Aldo Bonasera De-qing Fang Jian-qing Cao qi Deng yong-qi wang qian-Tao Lei Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China University of the Chinese Academy of Sciences Beijing 100080China Key Laboratory of Nuclear Physics and Ion-Beam Application(MOE) Institute of Modern PhysicsFudan UniversityShanghai 200433China Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai 201210China College of Physics and Electronics Information Inner Mongolia University for NationalitiesTongliao 028000China Cyclotron Institute Texas A&M UniversityCollege StationTX 77843USA Laboratori Nazionali del Sud INFNvia Santa Sofia6295123 CataniaItaly

The neutron yield in the12C(d,n)13N reaction and the proton yield in the12C(d,p)13C reaction have been measured using deuteron beams of energies 0.6-3 *** deuteron beam is delivered from a 4-MeV electrostatic accelerator and bombarded on a thick carbon *** neutrons are detected at 0°,24°,and 48°and the protons at135°in the laboratory ***,the ratio of the neutron yield to the proton yield was *** can be used to effectively recognize the *** resonances are found at 1.4 MeV,1.7 MeV,and 2.5 MeV in the12C(d,p)13C reaction,and at 1.6 MeV and 2.7 MeV in the12C(d,n)13N *** proposed method provides a way to reduce systematic uncertainty and helps confirm more resonances in compound nuclei.

关键词： Proton neutron ratio 12C(d n) p) Trojan horse method(THM)

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Hypermethylation of TGF-β1 gene promoter in gastric cancer

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World Journal of Gastroenterology 2013年第33期19卷 5557-5564页

作者： yong-qi wang Yu-Min Li Xun Li Tao Liu Xiao-Kang Liu Jun-qiang Zhang Ju-Wu Guo Ling-Yun Guo Liang qiao School of Life Sciences Lanzhou University Department of Anesthesiology the First Hospital of Lanzhou University Key Laboratory of Digestive System Tumors General Surgery the Second Hospital of Lanzhou University General Surgery the First Hospital of Lanzhou University Storr Liver Unit at the Westmead Millennium Institute the University of Sydney

AIM:To examine transforming growth factor-β1(TGF-β1)promoter methylation in gastric cancer and to determine if Helicobacter pylori(***)or interleukin(IL)-1β could induce TGF-β1 hypermethylation in ***:We examined the frequency and extent of TGF-β1 promoter methylation using methylationspecific PCR in the gastric tissues from 47 gastric cancer patients and 39 non-gastric cancer *** infection was confirmed by a positive result from either a serological test,histological analysis or C13urea breath ***-1 and MKN-45 cells co-cultured with *** or treated with IL-1β for 12,24 and 48 h in vitro tested the effects of *** or IL-1β on TGF-1β.RESULTS:Twenty-four/forty-seven(51%)cases of gastric cancer(GC)tissues showed TGF-β1 promoter methylation,15/47(31.9%)cases of matched noncancerous gastric mucosa tissues from the GC patients,and 11/39(28%)case of the normal gastric mucosa tissues from non-GC subjects showed TGF-β1 promoter methylation(51%vs 28%,P<0.05).Significantly higher levels of methylation of TGF-β1 were found in the tumor tissues than in non-tumor tissues from GC patients(0.24±0.06 vs 0.17±0.04,P<0.05)and normal gastric tissues from non-GC subjects(0.24±0.06 vs 0.15±0.03,P<0.05).TGF-β1 methylation was found in 48.3% of ***-positive gastric mucosal tissues whereas only 23.1% of ***-negative gastric mucosal tissues showed TGF-β1 methylation(48.3%vs 23.1%,P<0.05).IL-1β appeared to induce a dose-dependent methylation of TGF-β1 and the strongest methylation was observed in GES-1 cells treated with 2.5 ng/mL of IL-1β for 48 *** studies showed that pre-treatment of GES-1 cells with 20ng/mL IL-1RA for 1 h could partially abolish the effect of IL-1β on TGF-β1 *** of GES-1cells by *** was not found to induce significant TGF-β1 promoter ***:Our data revealed that TGF-1 promoter is methylated in GC ***-1β may be an important mediator for *** induced gene methylatio

关键词： Transforming growth factor-β1 Interleukin-1β Methylation Helicobacter pylori Gastric cancer

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Development of microfluidic devices for islet transplantation and islet physiologys

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实用器官移植电子杂志 2016年第6期4卷 334-340页

作者： Yuan Xing Katherine Xie Manwan Chan Hevin Poon Maggie wang Shusen wang Merigeng qi yong wang Department of Surgery/Transplant University of Illinois at Chicago The Honors College University of Illinois at Chicago Department of organ transplantation Key Laboratory for Critical Care Medicine of the Ministry of HealthTianjin First Center Hospital Department of Translational Research and Cellular Therapeutics Diabetes and Metabolism Research InstituteBeckman Research Institute of City of Hope

本文讨论了芝加哥伊利诺伊大学研发的几种用于人胰岛生理和病理生理学研究的微流体装置及其在人胰岛移植中的应用。首先介绍了作为l型糖尿病临床治疗的胰岛移植领域关键问题。随后,回顾了可以解决这些关键问题的微流体装置、每一种微流... 详细信息

本文讨论了芝加哥伊利诺伊大学研发的几种用于人胰岛生理和病理生理学研究的微流体装置及其在人胰岛移植中的应用。首先介绍了作为l型糖尿病临床治疗的胰岛移植领域关键问题。随后,回顾了可以解决这些关键问题的微流体装置、每一种微流体装置的独特之处及他们的应用。此外,本文也简单地讨论了芝加哥伊利诺伊大学这几种微流体装置的设计和制造原理。

关键词：微流体胰岛胰岛灌流胰岛生理人胰岛移植

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Laser direct writing of flexible multifunctional airflow sensors on the Kevlar fabric

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Nano Research 2025年第1期18卷 443-454页

作者： Wei wang Zi-qing Chen yong-qi Li Yu-Long wang Mei-Chen Liu Yun-Bo Ruan Yang Zhang Shu-Juan Liu qiang Zhao College of Electronic and Optical Engineering and College of Flexible Electronics(Future Technology) Nanjing University of Posts and TelecommunicationsNanjing 210023China 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 Zhe Jiang Topsun Logistic Control CO. LTD.Yuhuan 317600China Department of Rehabilitation Medicine School of Acupuncture-Moxibustion and Tuina and School of Health Preservation and RehabilitationNanjing University of Chinese MedicineNanjing 210023China

The growing interest in flexible devices has emerged as a global trend due to their advantages in flexibility,lightweight structure,and wearability,addressing the limitations of traditional *** wearable airflow sensors have been previously reported,the development of flexible fabric-based airflow sensors capable of functioning in environments with open flames—critical for fire rescue operations—has yet to be explored,largely due to the poor fire resistance of conventional *** this work,we first present a flexible,wearable,and multifunctional airflow sensor with excellent fire-resistant properties,fabricated through a simple direct laser writing *** sensor maintains airflow detection capabilities even in the presence of open ***,the fabrication of fabric-based sensors involves complex procedures such as carbon materials doping or vapor-phase deposition,leading to lengthy preparation cycles and high ***,fabric-based devices are inherently prone to *** address these challenges,we introduce twice-vertical laser-induced graphene(TVLIG)as a sensitive and reliable component for fire-resistant airflow *** resulting TVLIG/Kevlar fabric can be integrated into various garments,particularly protective suits,to form sensitive and fire-resistant airflow sensors capable of detecting airflow velocity and direction in both two-dimensional(2D)and three-dimensional(3D)spaces during fire ***,the TVLIG patterns can be expanded to multifunctional platforms,such as glucose detection for injured individuals,offering further applications in rescue *** functional expansion reduces the burden on rescue personnel and streamlines device *** its outstanding sensing capabilities,fire resistance,and expandability,the developed flexible airflow sensor shows great potential for various real-world rescue scenarios,promising advancements in wearable sensing technology for rescue enginee

关键词： flexible airflow sensor direct laser writing twice-vertical laser-induced graphene fire accident rescue Kevlar fabric

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放射介入治疗对中晚期肝癌患者生活治疗的改善作用

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影像技术 2017年第4期29卷 17-19页

作者：王勇王奇咏新疆昌吉州中医医院新疆831100

目的:探讨放射介入治疗对中晚期肝癌患者生活治疗的改善作用。方法:采取方便抽样法抽取100例于2010年至2016年期间来我院进行治疗的中晚期肝癌患者,以随机数字表法分为两组,观察组和对照组,各组均为50例患者。观察组患者首先给予射频消... 详细信息

目的:探讨放射介入治疗对中晚期肝癌患者生活治疗的改善作用。方法:采取方便抽样法抽取100例于2010年至2016年期间来我院进行治疗的中晚期肝癌患者,以随机数字表法分为两组,观察组和对照组,各组均为50例患者。观察组患者首先给予射频消融术进行治疗,然后再给予肝动脉化疗栓塞术进行治疗;对照组患者单纯给予肝动脉化疗栓塞术进行治疗。结果:临床治疗总有效率,观察组患者显著高于对照组,比较差异存在统计学意义,P<0.05。生活质量评分,观察组患者显著高于对照组,比较差异存在统计学意义,P<0.05。患者12个月、18个月生存率,观察组显著高于对照组,比较差异存在统计学意义,P<0.05。结论:放射介入治疗中晚期肝癌,能够显著提高患者的临床治疗效果,显著改善患者的生活质量,延长患者生存期,在中晚期肝癌治疗中具有较高的应用价值。

关键词：放射介入治疗中晚期肝癌患者生活治疗改善

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葛—汪彗星

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天文学报 1989年第3期30卷 290-293页

作者：葛永良汪琦韩韬中国科学院紫金山天文台

1988年11月4日紫金山天文台发现一颗新彗星,国际定名为葛-汪彗星.本文收集了国内外共13次观测资料,计算了这颗彗星的轨道.该彗星于1988年5月23日过近日点.文中给出了近年观测历表.

关键词：葛汪慧星

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