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Sandwich-type composited solid polymer electrolytes to strengthen the interfacial ionic transportation and bulk conductivity for all-solid-state lithium batteries from room temperature to 120℃

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Journal of Energy Chemistry 2024年第8期95卷 288-295,I0007页

作者： jiewen tan Zhen Wang Jiawu Cui Zhanhui Jia Wensheng Tian Chao Wu Chengxin Peng Chengyong Shu Kang Yang Wei tang School of Chemical Engineering and Technology Xi'an Jiaotong UniversityXi'an 710049ShaanxiChina Center for Advancing Materials Performance from the Nanoscale(CAMP-Nano) State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong UniversityXi'an 710049ShaanxiChina State Key Laboratory of Space Power-sources Technology Shanghai Institute of Space Power-SourcesShanghai 200245China School of Materials Science and Engineering University of Shanghai for Science and TechnologyShanghai 200093China Top-Energy Digital Manufacturing Technologies(Xi'an)Co. Ltd.Xi'an 710100ShaanxiChina

The insurmountable charge transfer impedance at the Li metal/solid polymer electrolytes(SPEs)interface at room temperature as well as the ascending risk of short circuits at the operating temperature higher than the melting point,dominantly limits their applications in solid-state batteries(SSBs).Although the inorganic filler such as CeO_(2)nanoparticle content of composite solid polymer electrolytes(CSPEs)can significantly reduce the enormous charge transfer impedance at the Li metal/SPEs interface,we found that the required content of CeO_(2)nanoparticles in SPEs varies for achieving a decent interfacial charge transfer impedance and the bulk ionic conductivity in *** this regard,a sandwich-type composited solid polymer electrolyte with a 10%CeO_(2)CSPEs interlayer sandwiched between two 50%CeO_(2)CSPEs thin layers(sandwiched CSPEs)is constructed to simultaneously achieve low charge transfer impedance and superior ionic conductivity at 30℃.The sandwiched CSPEs allow for stable cycling of Li plating and stripping for 1000 h with 129 mV polarized voltage at 0.1 mA cm^(-2)and 30℃.In addition,the LiFePO_(4)/Sandwiched CSPEs/Li cell also exhibits exceptional cycle performance at 30℃and even elevated120℃without short *** multi-layered CSPEs with optimized contents of the inorganic fillers can be an efficient method for developing all solid-state PEO-based batteries with high performance at a wide range of temperatures.

关键词： PEO-based solid electrolytes CeO_(2)nanoparticles Charge transfer impedance Sandwich-type composite electrolytes All-solid-state Li metal batteries

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Boosting oxygen vacancies by modulating the morphology of Au decorated In_(2)O_(3)with enhanced CO_(2)hydrogenation activity to CH_(3)OH

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Journal of Environmental Sciences 2024年第6期140卷 91-102页

作者： Ruxian Hou jiewen Xiao Qian Wu Tianyu Zhang Qiang Wang Beijing Key Lab for Source Control Technology of Water Pollution College of Environmental Science and EngineeringBeijing Forestry UniversityBeijing 100083China Engineering Research Center for Water Pollution Source Control&Eco-remediation College of Environmental Science and EngineeringBeijing Forestry UniversityBeijing 100083China

CO_(2)hydrogenation to methanol has become one of the most promising ways for CO_(2)utilization,however,the CO_(2)conversion rate and methanol selectivity of this reaction still need to be improved for industrial *** we investigated the structure-activity relationship for CO_(2)conversion to methanol of In_(2)O_(3)-based catalysts by modulating morphology and decorating *** different Au/In_(2)O_(3)catalysts were prepared,their activity follow the sequence of Au/In_(2)O_(3)-nanosphere(Au/In_(2)O_(3)-NS)>Au/In_(2)O_(3)-nanoplate(Au/In_(2)O_(3)-NP)>Au/In_(2)O_(3)-hollow microsphere(Au/In_(2)O_(3)-HM).Au/In_(2)O_(3)-NS exhibited the best performance with good CO_(2)conversion of 12.7%,high methanol selectivity of 59.8%,and large space time yield of 0.32 g CH_(3)OH/(hr·gcat)at 300℃.The high performance of Au/In_(2)O_(3)-NS was considered as the presence of *** contributes to the creation of more surface oxygen vacancies,which further promoted the CO_(2)adsorption and facilitated CO_(2)activation to form the formate intermediates towards *** work clearly suggests that the activity of In_(2)O_(3)catalyst can be effective enhanced by structure engineering and Au decorating.

关键词： CO_(2)hydrogenation Methanol Au/In_(2)O_(3) Morphology Oxygen vacancies

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Numerical simulation and parameter optimization of Coriolis force scale measurement process based on DEM

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Particuology 2024年第7期90卷 128-139页

作者： Haiting Liu Yong Yang Xiangliang Wang jiewen Deng Bingbing Wang School of Energy and Power Engineering Northeast Electric Power UniversityJilin132012China CNBM Hefei Mechanical&Electrical Engineering Technology Co.Ltd Hefei230051China

The Coriolis force method is a recently developed and highly regarded direct measurement technique that enables high-precision measurement of bulk *** operational parameters and variations thereof directly influence the measurement accuracy of the *** this study,a measurement correction coefficient is introduced to improve the calculation method for mass flow rate of the *** DEM is employed to simulate the motion of particle groups within the Coriolis force scale under different parameters,and the effects of various structural and operational parameters on the measurement results are *** research findings indicate that a lower rotational speed leads to more stable instantaneous measurement results,although the measurement error is relatively *** the rotational speed exceeds 300 rpm,the measurement error remains within 15%.For materials with a radius of 1–2 mm,the variation range of precision error is approximately 0.4%.Among the structural parameters,the radius of the measurement wheel has the most significant impact on the measurement results,wherein a larger measurement wheel radius corresponds to a smaller measurement *** horizontal angle of the blades follows as the next influential parameter,with a clockwise rotation and a horizontal angle of 30°resulting in a measurement error below 2%.

关键词： Parameter optimization Discrete element method Coriolis force scale Measurement error Numerical simulation

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High-order Autler–Townes splitting in electrically tunable photonic molecules

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Photonics Research 2024年第8期12卷 1794-1801页

作者： YIHAO CHEN JUNTAO DUAN JIN LI YAN CHEN jiewen LI JIANAN DUAN XIAOCHUAN XU JIAWEI WANG School of Integrated Circuit Harbin Institute of Technology(Shenzhen)Shenzhen 518055China College of Advanced Interdisciplinary Studies National University of Defense TechnologyChangsha 410073China National Key Laboratory of Laser Spatial Information Harbin Institute of Technology(Shenzhen)Shenzhen 518055China

Whispering gallery mode optical microresonators represent a promising avenue for realizing optical analogs of coherent light–atom interactions,circumventing experimental ***-optical analogs of Autler–Townes splitting have been widely demonstrated,harnessing coupled optical microresonators,also known as photonic molecules,wherein the strong coupling between resonant fields enables energy level ***,we report the characterizations of Autler–Townes splitting in waveguide-coupled microring dimers featuring mismatched *** exploiting backscattering-induced coupling via Rayleigh and Mie scatterers in individual rings,high-order Autler–Townes splitting has been realized,yielding supermode hybridization in a multi-level *** resonance detuning using an integrated phase shifter,intra-cavity coupling-induced splitting becomes almost indistinguishable at the zero-detuning point where the strong inter-cavity coupling counteracts the imbalance of backscattering strengths in individual *** demonstrations on the maturing silicon photonics platform,our findings establish a framework of electrically tunable photonic molecules for coupling-mediated Autler–Townes splitting,offering promising prospects for on-chip signal generation and processing across classical and quantum regimes.

关键词： tunable tuning waveguide

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高压氧治疗急性缺血性脑卒中的剂量优化

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中国康复医学杂志 2013年第10期28卷 934-938页

作者：谭杰文龙颖宋盼盼中山大学孙逸仙医院高压氧科广州510600 深圳市人民医院高压氧科

目的:探讨高压氧疗法(HBOT)治疗急性缺血性脑卒中(AIS)的最佳治疗剂量。方法:在PUBMED数据库、EMBASE医药学数据库、MEDLINE、中国知网全文数据库(CNKI)搜索已发表的高压氧疗法治疗AIS的相关文献。根据纳入和排除标准收集文献。所提取... 详细信息

目的:探讨高压氧疗法(HBOT)治疗急性缺血性脑卒中(AIS)的最佳治疗剂量。方法:在PUBMED数据库、EMBASE医药学数据库、MEDLINE、中国知网全文数据库(CNKI)搜索已发表的高压氧疗法治疗AIS的相关文献。根据纳入和排除标准收集文献。所提取的数据包括高压氧舱内氧分压(pO_2,ATA)、每次HBOT时总吸氧时间(Ts)、总治疗次数(Nt)、治疗有效率。HBOT的总治疗剂量(D_(HBOT))按下列公式计算:D_(HBOT)=pO_2×Ts×Nt。当治疗有效率达到最高时,所对应的D_(HBOT)为最佳治疗剂量。用线性回归的方法探索D_(HBOT)与治疗有效率的关系。结果:根据纳入和排除标准,共收集19篇文献,共涉及700例患者,根据公式计算得出D_(HBOT)与治疗有效率呈正相关关系,当平均D_(HBOT)处于30—32治疗剂量单位(UMD)时,治疗有效,最高可达100%;当D_(HBOT)<13.5UMD,疗效甚微。结论:本研究显示,治疗AIS时D_(HBOT)与治疗有效率呈正相关关系;当D_(HBOT)处于30—32UMD时,治疗有效。

关键词：高压氧治疗急性缺血性脑卒中高压氧治疗剂量

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Feature extraction and analysis of reclaimed vegetation in ecological restoration area of abandoned mines based on hyperspectral remote sensing images

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Journal of Arid Land 2024年第10期16卷 1409-1425页

作者： MAO Zhengjun WANG Munan CHU Jiwei SUN jiewen LIANG Wei YU Haiyong College of Geology and Environment Xi'an University of Science and TechnologyXi'an 710054China Ningxia Hui Autonomous Region Remote Sensing Survey Institute Yinchuan 750021China

The vegetation growth status largely represents the ecosystem function and environmental *** remote sensing data can effectively eliminate the effects of surface spectral reflectance and atmospheric scattering and directly reflect the vegetation parameter *** this study,the abandoned mining area in the Helan Mountains,China was taken as the study *** on hyperspectral remote sensing images of Zhuhai No.1 hyperspectral satellite,we used the pixel dichotomy model,which was constructed using the normalized difference vegetation index(NDVI),to estimate the vegetation coverage of the study area,and evaluated the vegetation growth status by five vegetation indices(NDVI,ratio vegetation index(RVI),photochemical vegetation index(PVI),red-green ratio index(RGI),and anthocyanin reflectance index 1(ARI1)).According to the results,the reclaimed vegetation growth status in the study area can be divided into four levels(unhealthy,low healthy,healthy,and very healthy).The overall vegetation growth status in the study area was generally at low healthy level,indicating that the vegetation growth status in the study area was not good due to short-time period restoration and harsh damaged environment such as high and steep rock ***,the unhealthy areas were mainly located in Dawukougou where abandoned mines were concentrated,indicating that the original mining activities have had a large effect on vegetation *** ecological restoration of abandoned mines,the vegetation coverage in the study area has increased to a certain extent,but the amplitude was not *** situation of vegetation coverage in the northern part of the study area was worse than that in the southern part,due to abandoned mines mainly concentrating in the northern part of the Helan *** combination of hyperspectral remote sensing data and vegetation indices can comprehensively extract the characteristics of vegetation,accurately analyze the plant gr

关键词： hyperspectral remote sensing abandoned mine ecological restoration vegetation growth status vegetation index vegetation coverage

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Phase engineering of Mo-V oxides molecular sieves for zinc-ion batteries

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Science China Materials 2022年第4期65卷 939-946页

作者： Gan Qu Chuntian Qiu Jun Wang jiewen tan Shuangfeng Jia Zhesheng Chen Jean-Pascal Rueff Wesley Guangyuan Zheng Chenliang Su Bingbing Tian International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale OptoelectronicsShenzhen UniversityShenzhen518060China College of Materials Science and Engineering Zhengzhou UniversityZhengzhou450001China Department of Chemical and Biomolecular Engineering National University of Singapore10 Kent Ridge CrescentSingapore119260Singapore School of Physics and Technology Center for Electron MicroscopyMOE Key Laboratory of Artificial Micro-and Nano-structuresand Institute for Advanced StudiesWuhan UniversityWuhan430072China SociétéCivile Synchrotron SOLEIL L’Ormedes MerisiersSaint-AubinBP48Gif-sur-Yvette91192France Laboratoire de Chimie Physique-Matière et Rayonnement LCPMRSorbonne UniversitéCNRSParisF-75005France

With the ever-increasing demands of grid-scale energy storage,aqueous zinc-ion batteries(ZIBs)have garnered increasing attention around the ***,limited Zn^(2+)host materials have hindered the commercialization of ***,Mo-V oxides with different phase structures(orth-,tri-,and tetra-MoVO)were precisely constructed to develop phase-dependent Mo-V oxide cathodes for Zn^(2+)storage in *** open frameworks and varied tunnel structures formed a favorable alternative for achieving suitable Zn^(2+)diffusion *** optimized phase engineering,the high specific capacity of approximately 400 mA h g^(−1) and excellent cyclic stability of 1000 cycles were achieved with orth-MoVO as the *** large amount of six-and seven-member rings in the orth-MoVO phase,which allow for alternative Zn^(2+)insertion,play a vital role in hosting Zn^(2+)ions *** proposed phase engineering strategy provides a new approach toward cathode design in ZIBs.

关键词： zinc-ion batteries phase engineering molybdenum oxides vanadium oxides

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经颅电刺激对脑平均血流速度影响的meta分析

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中国康复医学杂志 2012年第6期27卷 542-546页

作者：崔文瑞谭杰文刘河军广州市社会福利院康复医院康复科广州510520 中山大学第二附属医院康复医学科

目的:通过meta分析,探讨经颅电刺激对大脑平均血流速度的影响。方法:通过MEDLINE、EMBASE和CBMdisc等数据库检索国内外已发表相关文献。选择治疗组为药物治疗加双乳突部位经颅电刺激,对照组为药物治疗的随机对照试验。由2位评价者分别... 详细信息

目的:通过meta分析,探讨经颅电刺激对大脑平均血流速度的影响。方法:通过MEDLINE、EMBASE和CBMdisc等数据库检索国内外已发表相关文献。选择治疗组为药物治疗加双乳突部位经颅电刺激,对照组为药物治疗的随机对照试验。由2位评价者分别按上述检索策略收集资料,按纳入标准入选,采用Comprehensive Meta Analysis V2.0软件对大脑平均血流速度进行meta分析。结果:共有8个临床随机对照试验,包括570例受试者纳入分析。经颅电刺激干预使大脑前动脉OR=40.504(95%CI,4.399—372.918)、大脑中动脉OR=30.376(95%CI,7.123—129.539)、大脑后动脉OR=7.398(95%CI,4.909—11.148)、椎动脉OR=14.085(95%CI,4.696—42.249)和基底动脉OR=15.543(95%CI,3.356—72.000)平均血流速度增加的效能约为对照组的40.5、30.4、7.4、14.1和15.5倍。结论:Meta分析结果表明,经颅电刺激能全面地显著地增加大脑各动脉的血流速度和血流量,这将对临床上合理应用物理因子治疗有较好的临床指导作用。

关键词：经颅电刺激小脑顶核电刺激平均血流速度 meta分析

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论郭沫若与毛泽东的诗词之交

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中国韵文学刊 2007年第4期21卷 57-61,113页

作者：谭解文湖南理工学院中文系湖南岳阳414001

郭沫若与毛泽东的诗词唱和,贯穿于他们的后半生。郭沫若也是毛泽东诗词的权威的注家和解说者。诗词是郭沫若与毛泽东政治交往的方式,也是他们情感联系的渠道。郭沫若在与毛泽东的诗词交往中的确表现了对毛泽东的个人崇拜。研究郭沫若与... 详细信息

郭沫若与毛泽东的诗词唱和,贯穿于他们的后半生。郭沫若也是毛泽东诗词的权威的注家和解说者。诗词是郭沫若与毛泽东政治交往的方式,也是他们情感联系的渠道。郭沫若在与毛泽东的诗词交往中的确表现了对毛泽东的个人崇拜。研究郭沫若与毛泽东的诗词之交,应该将它们与二十世纪的中国社会历史发展进程联系起来,进行正确的认识与评价。

关键词：郭沫若毛泽东诗词之交

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Synchronization of Drive-Response Networks With Delays on Time Scales

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IEEE/CAA Journal of Automatica Sinica 2024年第4期11卷 1063-1065页

作者： Yanxia tan Zhenkun Huang the School of Science Jimei UniversityXiamen 361021China

Dear Editor,This letter deals with the synchronization in drive-response networks with discrete and distributed delays on time *** on the theory of calculus on time scales,Lyapunov functional method and inequality technique,we obtain new sufficient conditions to ensure synchronization criteria which are dependent on boundedness of grainness but independent of the types of *** simulations are given to illustrate the effectiveness of our new results.

关键词： inequality letter boundedness

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