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Chlorine-rich lithium argyrodites enables superior performances for solid-state Li-Se batteries at wide temperature range

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Rare Metals 2022年第12期41卷 4065-4074页

作者： Jin-Yan Lin Shuai Chen Jia-Yang Li Dian Yu Xiang-Ling Xu Chuang Yu Shao-Qing Chen Xue-Fei Miao Lin-Feng Peng chao-chao wei Chong-Xuan Liu Shi-Jie Cheng Jia Xie State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan 430074China School of Materials Huazhong University of Science and TechnologyWuhan 430074China Department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen 518055China Key Laboratory of Advanced Metallic and Intermetallic Materials Technology School of Materials Science and EngineeringNanjing University of Science and TechnologyNanjing 210094China School of Environmental Science and Engineering Southern University of Science and TechnologyShenzhen 518055China

All-solid-state Li-Se battery shows great potential as a candidate for next-generation energy storage devices due to its high energy density and ***,the low ionic conductivity of the solid electrolytes and large volume changes of Se active materials are two of the major issues that limit its ***,a simple solid-state reaction method is applied to synthesize chlorine-rich argyrodite Li_(5.5)PS_(4.5)CI_(1.5)electrolyte with high conductivity of 6.25 mS·cm^(-1)at room *** nanotube(CNT)is introduced as the host for Se to obtain Se/CNT composite with both enhanced electronic conductivity and lower volume expansion during the electrochemical reaction ***-solid-state Li-Se battery using Li_(5.5)PS_(4.5)CI_(1.5)as solid electrolyte combined with Se/CNT cathode and Li-In anode shows a discharge capacity of 866 mAh·g-1for the 2nd cycle under0.433 mA·cm-2at room ***,the assembled battery delivers a high discharge capacity of1026 mAh·g^(-1)for the 2nd cycle when cycled at the same current density at 60℃and maintains a discharge capacity of 380 mAh·g^(-1)after 150 *** to the high Li-ion conductivity of Li_(5.5)PS_(4.5)CI_(1.5)electrolyte,the assembled battery displays a high discharge capacity of 344 mAh·g^(-1)under 0.113 mA·cm^(-2)at-20℃C and remains 66.1%after200 *** addition,this all-solid-state Li-Se battery shows ultralong cycling performances up to 1000 cycles under 0.433 mA·cm^(-2)at-20℃.This work offers the design clue to fabricate the all-solid-state Li-Se battery workable at different operating temperatures with an ultralong cycling life.

关键词： Lithium argyrodite Chlorine-rich All-solidstate Li-Se batteries Operating temperatures Long cycling performances

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From waste to wealth:Coal tar residue derived carbon materials as low-cost anodes for potassium-ion batteries

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 464-475页

作者： Zhonghua Lu Jun Shen Xin Zhang Lingcong chao Liang Chen Ding Zhang Tao wei Shoudong Xu College of Chemical Engineering and Technology Taiyuan University of TechnologyTaiyuan 030024China College of Chemistry Taiyuan University of TechnologyTaiyuan 030024China School of Chemical Engineering and Pharmacy Wuhan Institute of TechnologyWuhan 430205China School of Energy and Power Jiangsu University of Science and TechnologyZhenjiang 212003China

Carbon materials are widely recognized as highly promising electrode materials for various energy storage system *** tar residues(CTR),as a type of carbon-rich solid waste with high value-added utilization,are crucially important for the development of a more sustainable *** this study,we employed a straightforward direct carbonization method within the temperature range of 700-1000℃to convert the worthless solid waste CTR into economically valuable carbon materials as anodes for potassium-ion batteries(PIBs).The effect of carbonization temperature on the microstructure and the potassium ions storage properties of CTR-derived carbons(CTRCs)were systematically explored by structural and morphological characterization,alongside electrochemical performances *** on the co-regulation between the turbine layers,crystal structure,pore structure,functional groups,and electrical conductivity of CTR-derived carbon carbonized at 900℃(CTRC-900H),the electrode material with high reversible capacity of 265.6m Ah·g^(-1)at 50 m A·g^(-1),a desirable cycling stability with 93.8%capacity retention even after 100 cycles,and the remarkable rate performance for PIBs were ***,cyclic voltammetry(CV)at different scan rates and galvanostatic intermittent titration technique(GITT)have been employed to explore the potassium ions storage mechanism and electrochemical kinetics of *** indicate that the electrode behavior is predominantly governed by surface-induced capacitive processes,particularly under high current densities,with the potassium storage mechanism characterized by an“adsorption-weak intercalation”*** work highlights the potential of CTR-based carbon as a promising electrode material category suitable for high-performance PIBs electrodes,while also provides valuable insights into the new avenues for the high value-added utilization of CTR.

关键词： coal tar residue carbon materials anode potassium-ion batteries high value-added

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TFT-LCD行业异物不良改善研究

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液晶与显示 2017年第10期32卷 787-793页

作者：黎关超王超何伟刘坤沈水曾小强北京京东方显示技术有限公司CELL生产运营部北京100176

在TFT-LCD行业,异物对产品品质的影响约占95%,直接关系到企业效益。因此,如何有效控制异物影响成为业内各大企业不断探索的课题。本文分析了Cell异物的成因和分类,并通过人员作业改善、设备改善、原辅材改善、处理方法改善、环境改善、... 详细信息

在TFT-LCD行业,异物对产品品质的影响约占95%,直接关系到企业效益。因此,如何有效控制异物影响成为业内各大企业不断探索的课题。本文分析了Cell异物的成因和分类,并通过人员作业改善、设备改善、原辅材改善、处理方法改善、环境改善、维修改善等方面研究了异物改善的方向。研究表明,技术手段升级和现场管理强化结合对异物不良改善有重要作用,使Cell异物不良整体降低0.84%。

关键词： LCD 异物人员作业设备原辅材处理方法环境维修

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凹凸棒脱硫剂选择性脱除模拟油中苯并噻吩的研究

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矿物岩石 2016年第4期36卷 10-15页

作者：焦林宏李薇李超超韩维亮赵立祥马娅兰州石化职业技术学院石油化学工程系甘肃兰州730060 中科院兰州化学物理研究所精细石油化工中间体国家工程研究中心甘肃兰州730000

采用浸渍法制备盱眙凹凸棒黏土脱硫剂,负载硝酸铁和硝酸银活性组分。通过正交试验考察了脱硫剂制备和吸附脱除模拟油中苯并噻吩的最佳工艺条件。结果表明:硝酸铁质量分数8%,硝酸银质量分数1%,400℃下焙烧3h制备脱硫剂,在常温常压条件下... 详细信息

采用浸渍法制备盱眙凹凸棒黏土脱硫剂,负载硝酸铁和硝酸银活性组分。通过正交试验考察了脱硫剂制备和吸附脱除模拟油中苯并噻吩的最佳工艺条件。结果表明:硝酸铁质量分数8%,硝酸银质量分数1%,400℃下焙烧3h制备脱硫剂,在常温常压条件下,模拟油中的硫质量分数从400×10^(-6)降至平均106×10^(-6),脱硫率达到73.5%。Fe和Ag离子通过π络合作用吸附脱除苯并噻吩,但Ag离子吸附苯并噻吩能力强于Fe离子。

关键词：凹凸棒黏土脱硫苯并噻吩

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新型双层自行车停放架设计

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机械设计 2016年第9期33卷 121-124页

作者：贾蕴发刘杨李超张伟超南京农业大学工学院江苏南京210031

以自行车停放架为研究对象，设计了一种省时省力、方便存取的新型双层自行车停放架。分析了螺旋式、卡位式及双层自行车停放架的存放原理及在自行车存取过程中存在的问题；对比螺旋式、卡位式及双层式自行车停车架的结构。通过PRO／E三... 详细信息

以自行车停放架为研究对象，设计了一种省时省力、方便存取的新型双层自行车停放架。分析了螺旋式、卡位式及双层自行车停放架的存放原理及在自行车存取过程中存在的问题；对比螺旋式、卡位式及双层式自行车停车架的结构。通过PRO／E三维建模及实物模型制作，证明新型双层自行车停放架较容易实现上层与下层自行车的存取，花费时间少，使用方便，占地小。在相同占地面积下，新型自行车停放架是螺旋式停车架存车量的1．6～2．5倍，是卡位式停车架的2倍。存放上层车辆，新型双层车架可节省人体消耗能量77J。

关键词：工业设计新型双层自行车停放架螺旋式卡位式三维建模

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Numerical simulation and scaling analysis of elasticity-induced lift force in a viscoelastic fluid between confining surfaces

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Journal of Hydrodynamics 2022年第4期34卷 756-766页

作者： Xin Zhao chao wei The State Key Laboratory of Nonlinear Mechanics Institute of MechanicsChinese Academy of SciencesBeijing 100190China Science and Technology on Vehicle Transmission Laboratory Beijing Institute of TechnologyBeijing 100081China

How to accurately characterize the lift force on the particles near the solid surfaces is an ongoing challenge in fluid mechanics and microfluidic techniques, especially in a complex system with viscoelastic fluid or/and soft surface that is commonly encountered in a biological system. The motions of the particles in vicinity of a surface can be simplified to be a rigid cylinder surrounded by the viscoelastic fluid moving along a substrate which can be rigid or soft according to different cases. In such an inertial free system with a wide range of weissenberg number (Wi < 5.00, representing the ratio of the elastic force to the viscous force), firstly we numerically evaluate the influence of the systematic parameters, including the polymer viscosity, the geometry and Wi, on the net normal force for a cylinder closely moving along a rigid substrate, and the elasticity-induced lift force in a scaled form. It is shown that a strong shear arises in the viscoelastic confinement between the moving cylinder and the rigid substrate, it leads to the asymmetry of the first normal stress distribution around the cylinder, and thus the lift force. Then, the influence of a soft substrate on the lift force is considered, and we find that the lift force induced by the viscoelastic fluid always dominates in magnitude over that induced by the soft substrate deformation. This work provides a reliable scaling that can be utilized to quantify the elasticity-induced lift force on the particles in a viscoelastic system, such as the micro- and nanofluidic systems in biological applications.

关键词： Viscoelastic fluid scaling expression computational fluid dynamics lift force

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The Rings Characterized by Minimal Left Ideals

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Acta Mathematica Sinica,English Series 2005年第3期21卷 473-482页

作者： Jun chao wei School of Science Mathematics Yangzhou University Yangzhou 225002 P. R. China

We study these rings with every minimal left ideal being a projective, direct summand and a p-injective module, respectively. Some characterizations of these rings are given, and the relations among them are obtained. With these rings, we characterize seinisiinple rings. Finally, we introduce MC2 rings, and give some characterizations of MC2 rings.

关键词： DS ring PS ring MP ring MC2 ring Minijective ring Singular ideal.

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Precise and efficient Chinese license plate recognition in the real monitoring scene of intelligent transportation system

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The Journal of China Universities of Posts and Telecommunications 2022年第3期29卷 1-14页

作者： Jia wei Gong chao School of Computer Science and Information Engineering Hefei University of TechnologyHefei 230009China

In this paper, the performance of you only look once(YOLO) series detectors on Chinese license plate recognition(LPR) in the real intelligent transportation system(ITS) monitoring scene is investigated. Specially, a precise and efficient automatic license plate recognition(ALPR) system based on the YOLOv4 detector is proposed. The proposed ALPR system contains three stages including vehicle detection, license plate detection(LPD) and LPR. In vehicle detection stage, YOLOv4 detector is directly applied. In LPD stage, YOLOv4-tiny detector is exploited. In the last stage, the YOLOv4-tiny detector with attention mechanism for LPR is proposed to use. In addition, a large Chinese license plate dataset containing 10 500 images collected from all 31 provinces in the Chinese mainland is created. This Chinese license plate dataset is named Hefei University of Technology license plate version 1(HFUT-LP v1). Particularly, HFUT-LP v1 dataset is collected in the real ITS monitoring scene. In order to compare the performance of different object detection algorithms for ALPR, a variety of object detection algorithms are used to make a comprehensive performance evaluation. Experimental results show that the proposed ALPR system achieves very high accuracy and has very fast processing speed, which is suitable for real-time LPR.

关键词： license plate detection(LPD) license plate recognition(LPR) YOLOv4-tiny detector attention mechanism intelligent transportation

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Backstepping Approach to the Adaptive Regulator Design for a One-Dimensional Wave Equation with General Input Harmonic Disturbance

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Journal of Systems Science & Complexity 2017年第2期30卷 253-279页

作者： GUO wei SHAO Zhi-chao Department of Applied Mathematics School of StatisticsUniversity of International Business and EconomicsBeijing 100029China

This paper considers the parameter estimation and stabilization of an unstable one-dimen- sional wave equation with matched general harmonic disturbance at the controlled end. The back- stepping method for infinite-dimensional system is adopted in the design of the adaptive regulator. It is shown that the resulting closed-loop system is asymptotically stable. Meanwhile, the estimated parameter is shown to be convergent to the unknown parameter as time unes tn ~n^nitv

关键词： Backstepping method distributed parameter system disturbance rejection stability.

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Transient Response and Ionic Dynamics in Organic Electrochemical Transistors

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Nano-Micro Letters 2024年第11期16卷 191-223页

作者： chao Zhao Jintao Yang wei Ma State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong UniversityXi′an 710049People’s Republic of China

The rapid development of organic electrochemical transistors(OECTs)has ushered in a new era in organic electronics,distinguishing itself through its application in a variety of domains,from high-speed logic circuits to sensitive biosensors,and neuromorphic devices like artificial synapses and organic electrochemical random-access *** recent strides in enhancing OECT performance,driven by the demand for superior transient response capabilities,a comprehensive understanding of the complex interplay between charge and ion transport,alongside electron–ion interactions,as well as the optimization strategies,remains *** review aims to bridge this gap by providing a systematic overview on the fundamental working principles of OECT transient responses,emphasizing advancements in device physics and optimization *** review the critical aspect of transient ion dynamics in both volatile and non-volatile applications,as well as the impact of materials,morphology,device structure strategies on optimizing transient *** paper not only offers a detailed overview of the current state of the art,but also identifies promising avenues for future research,aiming to drive future performance advancements in diversified applications.

关键词： Organic electrochemical transistors Transient response Ion dynamics Electronic dynamics Volatility and non-volatility

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