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Cobalt-doped Hollow Carbon Framework as Sulfur Host for the Cathode of Lithium Sulfur Battery - Part 1 JIN Gaoyao, HE Haichuan, WU Jie, ZHANG Mengyuan, LI Yajuan, LIU Younian Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China Abstract Lithium-sulfur batteries are deemed to ...
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The Preparation Method of Battery Cathode Slurry Wet Electrode Preparation Process A double planetary mixer was used as the cathode electrode slurry preparation equipment. First, prepare polyvinylidene fluoride (PVDF) glue. Use an ordinary mixing tank to pour a certain amount of solvent NMP (N-methylpyrrolidone) first, add the binder PVDF powder according to the designed solid content, and stir fo...
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Lithium-ion cylindrical batteries are widely used in many electronic devices due to their high energy density and long cycle life. In this article, we will describe the production process of lithium-ion cylindrical batteries in detail. 1. Raw material preparation The first step in the production process is the preparation of raw materials. The raw materials used for lithium-ion batteries in...
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Sb Doped O3 Type Na0.9Ni0.5Mn0.3Ti0.2O2 Cathode Material for Na-ion Battery KONG Guoqiang, LENG Mingzhe, ZHOU Zhanrong, XIA Chi, SHEN Xiaofang. Sb Doped O3 Type Na0.9Ni0.5Mn0.3Ti0.2O2 Cathode Material for Na-ion Battery[J]. Journal of Inorganic Materials, 2023, 38(6): 656-662. Abstract Cycle stability and specific capacity of cathode materials for sodium ion batteries play an important role i...
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Dual-lithium-salt Gel Complex Electrolyte: Preparation and Application in Lithium-metal Battery GUO Yuxiang, HUANG Liqiang, WANG Gang, WANG Hongzhi. Dual-lithium-salt Gel Complex Electrolyte: Preparation and Application in Lithium-metal Battery. Journal of Inorganic Materials, 2023, 38(7): 785-792 DOI:10.15541/jim20220761 Abstract Metallic Li is one of the ideal anodes for high energy de...
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Na3Zr2Si2PO12 Ceramic Electrolytes for Na-ion Battery: Preparation Using Spray-drying Method and Its Property Author：LI Wenkai, ZHAO Ning, BI Zhijie, GUO Xiangxin. Na3Zr2Si2PO12 Ceramic Electrolytes for Na-ion Battery: Preparation Using Spray-drying Method and Its Property. Journal of Inorganic Materials, 2022, 37(2): 189-196 DOI:10.15541/jim20210486 Abstract Na-ion batteries, ...
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Sergiy Kalnaus, et al. Solid-state batteries: The critical role of mechanics. Science. 381, 1300 (2023). Solid-state batteries with lithium metal anodes have the potential for higher energy density, longer lifetime, wider operating temperature, and increased safety. Although the bulk of the research has focused on improving transport kinetics and electrochemical stability of the materials and inte...
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Recent progress on anode for sulfide-based all-solid-state lithium batteries —— Part 1 Lithium metal anode Author: JIA Linan, DU Yibo, GUO Bangjun, ZHANG Xi 1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200241, China 2. Shanghai Yili New Energy Technology Co. , LTD. , Shanghai 201306, China Abstract All-solid-state lithium batteries (ASSLBs) exhibit hi...
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Continuing from the previous article Recent progress on anode for sulfide-based all-solid-state lithium batteries —— Part 2 other anodes Author: JIA Linan, DU Yibo, GUO Bangjun, ZHANG Xi 1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200241, China 2. Shanghai Yili New Energy Technology Co. , LTD. , Shanghai 201306, China Lithium alloy anode Du...
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Electrochemical Activity of Positive Electrode Material of P2-Nax[Mg0.33Mn0.67]O2 Sodium Ion Battery Author: ZHANG Xiaojun1, LI Jiale1,2, QIU Wujie2,3, YANG Miaosen1, LIU Jianjun2,3,4 1. Jilin Province Sci-Tech Center for Clean Conversion and High-valued Utilization of Biomass, Northeast Electric Power University, Jilin 132012, China 2. State Key Laboratory of High Perform...
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Recent Progress of Boron-based Materials in Lithium-sulfur Battery Author: LI Gaoran, LI Hongyang, ZENG Haibo MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Nano Optoelectronic Materials, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094 Abstract Lithium-sulfur (Li-S) batteries play a crucial role in the...
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1. What is lithium iron manganese phosphate? Lithium iron manganese phosphate is a new cathode material formed by doping lithium iron phosphate with a certain amount of manganese element. Since the ionic radii and some chemical properties of manganese and iron elements are similar, lithium iron manganese phosphate and lithium iron phosphate are similar in structure, and both have an olivine struct...
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Author: XIA Qiuying, SUN Shuo, ZAN Feng, XU Jing, XIA Hui School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China Abstract All-solid-state thin film lithium battery (TFLB) is regarded as the ideal power source for microelectronic devices. However, the relatively low ionic conductivity of amorphous solid-state electrolyte ...
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What is calendering： Calendering of battery electrodes is an important step in the production process of lithium-ion batteries, and its purpose is to obtain electrodes that meet design requirements. Calendering is a necessary process. After the electrode coating and drying, the peeling strength between the active material and the current collector foil is low. At this time, it needs to be calender...
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This article analyzes the causes of zero voltage. Focused on the phenomenon of zero voltage in the battery caused by electrode burrs. By identifying the cause of the short circuit, we aim to precisely resolve the problem and better understand the importance of controlling electrode burrs during production. Experiment 1. Battery preparation This experiment uses lithium nickel cobalt manganate mater...
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The principle of laser cleaning is to utilize the characteristics of laser beam with large energy density, controllable direction and strong convergence ability. The laser interacts with contaminants such as oil stains, rust spots, dust residue, coatings, oxide layers or film layers attached to the workpiece base, and is separated from the workpiece base in the form of instantaneous thermal expans...
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The winding process of lithium-ion batteries is to roll the positive electrode sheet, negative electrode sheet and separator together through the winding needle mechanism of the winding machine. The adjacent positive and negative electrode sheets are isolated by the separator to prevent short circuit. After winding, the jelly roll is fixed with a termination tape to prevent it from spreading, and ...
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Areal density（mg/cm2）：Areal density refers to the mass per unit area, which in this case is (the mass per unit area ofthe region ignoring the volume). Compacted density（g/cm3）：The compacted density indicates the mass contained in a unit volume, which has a lot to do with the properties of the material itself. Thickness：The total thickness of the material and the foil is generally expressed in micr...
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The dew point is the temperature at which moisture condenses. When the water vapor content in the air remains unchanged and the air pressure is kept constant, the temperature at which the air is cooled to saturation is called the dew point temperature (Td), or dew point for short. It can also be understood as the temperature at which water vapor and water reach equilibrium. The difference between ...
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During the charge and discharge process of the battery, as the charge and discharge depth changes, the voltage is also constantly changing. If we use capacity as the horizontal coordinate and voltage as the vertical coordinate, we can get a simple charge and discharge curve, which contains many clues about the battery's electrical performance. These curves drawn with the battery cell parameters su...
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