检索结果-南通市图书馆

Promoted Li+ conduction in PEO-based all-solid-state electrolyte by hydroxyl-modified glass fiber fillers

Rare Metals 2023年第3期42卷 875-884页

作者： xin wang Xiu Shen Peng Zhang Ai-Jun Zhou Jin-Bao zhao Yangtze Delta Region Institute(Huzhou) University of Electronic Science and Technology of ChinaHuzhou 313001China 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 College of Energy and School of Energy Research Xiamen UniversityXiamen 361102China School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 611731China

In the polyoxyethylene(PEO)-based solid-state electrolytes,the low ionic conductivity of lithium ions limits its application in solid-state lithium batteries,so optimizing the conduction path of lithium ions is beneficial to improve the ionic *** this work,we report the use of hydrothermal carbon nano-sphere(HCS)modified glass fibers(GF)as a functional filler(GF@HCS)to improve the ionic conductivity of PEO composite solidstate *** oxygen atoms in the hydroxyl groups on the surface of HCS can be complexed with Li ions as its transport sites,which means that it can promote the longdistance transport of Li ions along the glass fiber *** addition of 2 wt%GF@HCS fillers,the degree of crystallinity of PEO composite solid-state electrolyte is the smallest,and the ionic conductivity is significantly increased from 8.9×10^(-5) to 4.4×10^(-4) S·cm^(-1) at 60℃.Moreover,the PEO composite solid-state electrolyte exhibits better lithium-metal interface stability in symmetric lithium batteries and superior rate performance in LiFePO4 solid-state batteries.

关键词： Filler modification Hydrothermal carbon spheres Transport channel Polyoxyethylene(PEO)composite electrolyte All-solid-state battery

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Micro-nano structural electrode architecture for high power energy storage

引用

Journal of Semiconductors 2023年第5期44卷 1-6页

作者： xin Chao Chengzhan Yan Huaping zhao Zhijie wang Yong Lei Institute of Nanochemistry and Nanobiology School of Environmental and Chemical EngineeringShanghai UniversityShanghai 200444China Fachgebiet Angewandte Nanophysik Institut für Physik&IMN MacroNanoTechnische Universität IlmenauIlmenau98693Germany Key Laboratory of Semiconductor Materials Science Beijing Key Laboratory of Low Dimensional Semiconductor Materials and DevicesInstitute of SemiconductorsChinese Academy of SciencesBeijing 100083China

The necessity and superiorities of micro-nano structural electrodes toward high power:Electrochemical energy storage(EES)technologies have achieved great success in portable electronics and electric vehicles owing to their environmental friendliness and cost *** the promotional concepts such as the Internet of Things and ultra-high efficiency self-powered systems in recent years,there are substantial demand for superior EES systems,including but not limited to high-performance,miniaturization and multifunction[1−4].In a particular EES cell,active materials are carried by electrodes as the basic building blocks of energy storage or *** innovation(includes composition,structure,size and morphology)has revealed remarkable energy density,power density and lifespan for associated devices in the lab setting of low mass loading slurry-coating electrodes[5].

关键词： structural power electrode

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Dinitrogen cleavage and hydrogenation to ammonia with a uranium complex

引用

National Science Review 2023年第2期10卷 165-173页

作者： Xiaoqing xin Iskander Douair Yue zhao Shuao wang Laurent Maron Congqing Zhu State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical EngineeringNanjing University School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine LPCNO CNRS and INSA Université Paul Sabatier State Key Laboratory of Radiation Medicine and Protection School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education InstitutionsSoochow University

The Haber-Bosch process produces ammonia(NH3) from dinitrogen(N2) and dihydrogen(H2),but re quires high temperature and *** iron-based catalysts were exploited in the current industrial Haber-Bosch process,uranium-based materials served as effective catalysts for production of NH3from *** some molecular uranium complexes are known to be capable of combining with N2,further hydrogenation with H2forming NH3has not been reported to ***,we describe the first example of N2cleavage and hydrogenation with H2to NH3with a molecular uranium *** N2cleavage product contains three uranium centers that are bridged by three imido μ2-NH ligands and one nitridoμ3-N *** experiments with15N demonstrate that the nitrido ligand in the product originates from *** of the N2-cleaved complex with H2or H+forms NH3under mild conditions.A synthetic cycle has been established by the reaction of the N2-cleaved complex with trimethylsilyl *** isolation of this trinuclear imido-nitrido product implies that a multi-metallic uranium assembly plays an important role in the activation of N2.

关键词： N

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

High-gravity-assisted engineering of Ni_(2)P/g-C_(3)N_(4) nanocomposites with enhanced photocatalytic performance

引用

Green Energy & Environment 2022年第2期7卷 288-295页

作者： Zhijian zhao Dan wang Yuan Pu Jie-xin wang Liang-Liang Zhang Jian-Feng Chen State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical TechnologyBeijing100029China Research Center of the Ministry of Education for High Gravity Engineering and Technology Beijing University of Chemical TechnologyBeijing100029China

Graphitic carbon nitride(g-C_(3)N_(4)) with transition metal phosphides has been studied extensively as potential photocatalysts for hydrogen ***,in-situ approaches to realize intimate interfacial contacts have rarely been *** this study,Ni_(2)P nanoparticlesdecorated g-C_(3)N_(4)photocatalysts were prepared via liquid exfoliation of g-C_(3)N_(4) followed by in-situ loading of Ni_(2)P nanoparticles in a rotating packed bed(RPB) *** optimized Ni_(2)P/g-C_(3)N_(4) exhibits high performance in visible-light-driven(λ > 420 nm) hydrogen evolution(~561 μmol g-1h-1),which is 103 times higher than that of pristine g-C_(3)N_(4).The superior photocatalytic performance and durability originate from the robust interfacial ***,a Z-scheme route with enhanced transfer of photoinduced electron was proposed,and Ni_(2)P/gC_(3)N_(4) composites with smaller bandgaps than those of g-C_(3)N_(4) were *** to the intensified mass transfer and mixing of RPB reactor,the adsorption and nucleation processes of Ni_(2)P on g-C_(3)N_(4) were enhanced,enabling scalable solar light-driven H_(2) production.

关键词： composites performance interfacial

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Liutex-based centripetal force field model for improving the resistance and wake performances of JBC ship sailing in calm water

引用

Journal of Hydrodynamics 2021年第3期33卷 494-502页

作者： xin-wang Liu Song-tao Chen Wei-wen zhao De-cheng Wan Yi-qian wang Computational Marine Hydrodynamics Lab(CMHL) School of Naval ArchitectureOcean and Civil EngineeringShanghai Jiao Tong UniversityShanghai200240China Ocean College Zhejiang UniversityZhoushan316021China School of Mathematical Science Soochow UniversitySuzhou215006China

For complex aerodynamic and hydrodynamic problems,the analysis of vortex is very *** Liutex method is an eigenvalue-based method which is local,accurate,and unique,which can give an accurate definition of vortex,so the control of vortex can be implemented and effectively *** on Liutex method,two methodologies of centripetal force model and counter-rotation force model were proposed to illustrate the vortex dynamics and possibly strengthen or weaken the *** this paper,the Liutex-based centripetal force model is applied by adding a source term to the Navier-Stokes *** order to investigate the influence of the constructed Liutex force model on the 3-dimensional flow around a slow-fat ship,the calm-water drag calculation result of JBC ship is regarded as the initial flow field,and the new resistance and wake performances of the ship are obtained after applying the centripetal force model to the flow field with different *** views of the comparisons of the new steady flow fields are shown,and the parametric study results indicate that the Liutex-based centripetal force model can effectively change the resistance and wake performances of the JBC ship,which provides a new idea and theoretical basis for the comprehensive hydrodynamic performance optimization of the ship hull.

关键词： Vortex dynamics Liutex vector flow control ship resistance ship wake ship hydrodynamic optimization

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano-Ferric Oxide Embedded in Graphene Oxide:High-performance Electrocatalyst for Nitrogen Reduction at Ambient Condition

引用

Energy & Environmental Materials 2021年第1期4卷 88-94页

作者： Fei wang Lixue Xia xin Li Weixiang Yang Yan zhao Jian Mao College of Materials Science and Engineering Sichuan UniversityChengdu 610065China State Key Laboratory of Silicate Materials for Architectures International School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China School of Materials Science and Engineering Southwest Petroleum UniversityChengdu 610500China The Institute of Technological Sciences Wuhan UniversityWuhan 430070China

Nitrogen(N_(2))fixation at ambient condition by electrochemical N_(2)reduction reaction(NRR)is energy-efficient and eco-friendly as compared to the traditional Harber–Bosch process,but it is extremely *** and design of high-performance NRR electrocatalysts are indispensable to achieve the *** this work,a strongly coupled hybrid of nano-Fe3O4 with reduced graphene oxide(rGO)is synthesized via an in situ redox hydrothermal approach,and the synthesized Fe_(3)O_(4)@r GO hybrid has excellent activity,selectivity,and stability as an NRR *** NH_(3) yield rate of 28.01μg h^(-1)mg^(-1)at-0.3 V and the Faradaic efficiency(FE)of 19.12%at-0.1 V are obtained in 0.1 M Na_(2)SO_(4) solutions at ambient *** superior NRR performance is attributed to the chemical coupling effect between r GO and nano-Fe_(3)O_(4) particles,which leads to the enhancement of the binding affinity to N_(2) molecules,improvement of the conductivity,and lowering the free energy of reaction for the limiting reaction *** work provides a facile route in fabricating hybrid NRR catalysts with superior performance and shed lights on the reaction mechanism with theoretical mechanistic calculations.

关键词： density functional theory graphene nano-ferric oxide nitrogen reduction reaction

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Rational design of eco-friendly Mn-doped nonstoichiometric CuInSe/ZnSe core/shell quantum dots for boosted photoelectrochemical efficiency

引用

Nano Research 2022年第8期15卷 7614-7621页

作者： Rui wang xin Tong Zhihang Long Ali Imran Channa Hongyang zhao xin Li Mengke Cai Yimin You Xuping Sun Zhiming wang Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China Yangtze Delta Region Institute(Huzhou) University of Electronic Science and Technology of ChinaHuzhou 313001China Institute for Advanced Study Chengdu UniversityChengdu 610106China Department of Materials Science and Engineering Hongik UniversitySeoul 04066Republic of Korea

Colloidal core/shell quantum dots(QDs)with environment-friendly feature and controllable optoelectronic properties are promising building blocks in emerging solar *** this work,we rationally design and tailor the eco-friendly CuInSe(CISe)/ZnSe core/shell QDs by Mn doping and stoichiometric optimization(i.e.,molar ratios of Cu/In).It is demonstrated that Mn doping in In-rich CISe/ZnSe core/shell QDs can effectively engineer the charge kinetics inside the QDs,enabling efficient photogenerated electrons transfer into the shell for retarded charge *** a result,a solar-driven photoelectrochemical(PEC)device fabricated using the optimized Mn-doped In-rich CISe/ZnSe core/shell QDs(Cu/In ratio of 1/2)exhibits improved charge extraction and injection,showing a~3.5-fold higher photocurrent density than that of the pristine CISe/ZnSe core/shell QDs under 1 sun AM 1.5G *** findings indicate that transition metal doping in“green”nonstoichiometric core/shell QDs may offer a new strategy for achieving high-efficiency solar energy conversion applications.

关键词： eco-friendly colloidal quantum dot transition metal doping optoelectronic engineering photoelectrochemical cell

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Engineered nitrogen doping on VO_(2)(B)enables fast and reversible zinc-ion storage capability for aqueous zinc-ion batteries

引用

Journal of Energy Chemistry 2023年第10期85卷 30-38,I0003页

作者： xin Gu Juntao wang Xiaobin zhao xin Jin Yuzhe Jiang Pengcheng Dai Nana wang Zhongchao Bai Mengdi Zhang Mingbo Wu College of New Energy State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum(East China)Qingdao 266580ShandongChina Institute for Superconducting and Electronic Materials Australian Institute for Innovative MaterialsUniversity of Wollongong Innovation CampusNorth WollongongNew South Wales 2500Australia Institute of Energy Materials Science(IEMS) University of Shanghai for Science and TechnologyShanghai 200093China

Vanadium-based compounds with high theoretical capacities and relatively stable crystal structures are potential cathodes for aqueous zinc-ion batteries(AZIBs).Nevertheless,their low electronic conductivity and sluggish zinc-ion diffusion kinetics in the crystal lattice are greatly obstructing their practical ***,a general and simple nitrogen doping strategy is proposed to construct nitrogen-doped VO_(2)(B)nanobelts(denoted as VO_(2)-N)by the ammonia heat *** with pure VO_(2)(B),VO_(2)-N shows an expanded lattice,reduced grain size,and disordered structure,which facilitates ion transport,provides additional ion storage sites,and improves structural durability,thus presenting much-enhanced zinc-ion storage *** functional theory calculations demonstrate that nitrogen doping in VO_(2)(B)improves its electronic properties and reduces the zinc-ion diffusion *** optimal VO_(2)-N400 electrode exhibits a high specific capacity of 373.7 mA h g^(-1)after 100 cycles at 0.1 A g^(-1)and stable cycling performance after 2000 cycles at 5 A g^(-1).The zinc-ion storage mechanism of VO_(2)-N is identified as a typical intercalation/de-intercalation process.

关键词： Vanadium dioxide Nitrogen doping Cathode materials Aqueous zinc-ion batteries

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Nano-SnO_(2) Decorated Carbon Cloth as Flexible,Self-supporting and Additive-Free Anode for Sodium/Lithium-Ion Batteries

引用

Acta Metallurgica Sinica(English Letters) 2021年第3期34卷 390-400页

作者： Xu Yang Ying-Ying wang Bao-Hua Hou Hao-Jie Liang xin-xin zhao Haosen Fan Guang wang xing-Long Wu Faculty of Chemistry Northeast Normal UniversityChangchun 130024China National and Local United Engineering Laboratory for Power Batteries Faculty of ChemistryNortheast Normal UniversityChangchun 130024China Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education Northeast Normal UniversityChangchun 130024China School of Chemistry and Chemical Engineering Guangzhou UniversityGuangzhou 510006China

In this study,nano-sized SnO_(2) decorated on carbon cloth(SnO_(2)/CC)is prepared through a simple and facile solid *** nano-sized SnO_(2) is uniformly distributed on the surface of carbon fibers in carbon cloth,providing sufficient free space to relieve volume expansion and reduce electrode pulverization during *** as-prepared SnO_(2)/CC as a flexible,self-supporting and additive-free anode electrode for sodium-ion/lithium-ion batteries(SIBs/LIBs)can demonstrate outstanding electrochemical ***_(2)/CC after annealing at 350℃(SC-350)as an anode for SIBs can deliver a reversible capacity of 0.587 mA h cm^(-2)at the current density of 0.3 mA cm^(-2)after 100 *** addition,when cycling at 1.5 mA cm^(-2),SC-350 can maintain 1.69 mA h cm^(-2)after 500 cycles when used as LIB *** results illustrate that the as-prepared SnO_(2)/CC can be a promising flexible anode material for flexible SIBs/LIBs and provide a simple and practical method for designing new flexible electrode materials.

关键词： Flexible carbon cloth SnO_(2)coating Sodium/lithium-ion batteries

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effects of a combined infection with Paranosema locustae and Beauveria bassiana on Locusta migratoria and its gut microflora

引用

Insect Science 2021年第2期28卷 347-354页

作者： Shu-Qian Tan Yue Yin Kai-Li Cao xin-xin zhao Xiao-Yu wang Yu-xin Zhang wang-Peng Shi Department of Entomology and MO A Key Lab of Pest Monitoring and Green Management College of Plant ProtectionChina Agricultural UniversityBeijingChina Institution of Plant Protection Academy of Ningxia Agricultural and Forestry ScienceYinchuanChina

Even though Paranosema locustae is widely used in China as a biological agent for controlling grasshoppers,the mortality rate is initially quite *** study sought to determine whether the simultaneous use of *** and Beauveria bassiana would be a more effective control ***,changes in the intestinal microbial communities of migratory locusts infected with the two pathogens were analyzed to investigate the roles of gut microbes in pathogen-host *** mortality rate of locusts inoculated with *** and *** simultaneously was not significantly higher than expected but the mortality rates of locusts inoculated with *** 3,6,and 9 days after inoculation with *** were significantly higher than if their effects were additive,indicating synergism.A MiSeq analysis found that Weissella was the most common bacterium,representing 41.48%and 51.62%of the total bacteria in the mid-and hindguts,respectively,and the bacterial declines were greatest during dual infections with *** and *** appropriately timed combined application of *** and *** was more effective against locusts than either treatment ***,the combined inoculation of the two pathogens changed the gut microflora of locusts,indicating the potential relevancy of their synergistic effects on locust control.

关键词： entomopathogenic fungi intestinal symbiotic bacteria microsporidia migratory locust

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：