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- Conductive Materials for Lithium Batteries: CNT vs Graphene Guide
- Step-by-Step Guide to Partnering with a Sodium-Ion Battery Technology Developer in China
- A Complete Guide to Implementing Industrial Solid State Battery Technology in Manufacturing
- How to Select a Professional Battery Equipment Provider for High-Volume Production
- Guide to Procuring High-Quality Lithium Battery Coating Machines from Chinese Manufacturers
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Vacuum drying is to place the materials to be dried in a closed space, and use vacuum equipment to lower the air pressure in the closed space to an atmospheric pressure, while continuously heating the materials, so that the water molecules in the materials gradually diffuse to the surface of the materials due to the effect of pressure difference and concentration difference, and after the material...read more
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Theoretical formula of Li-ion battery tabs designJul 01 , 2021In the structure of lithium-ion battery cells, the battery tab is the metal conductor that leads from the cathode and anode electrodes of the cell, and the complete battery tab is mainly composed of high temperature insulating adhesive and metal conductive substrate. High-temperature insulating adhesive is the insulating part on the battery tabs, for pouch cell, its role is to prevent the short ci...read more
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CNT Carbon Nanotube Conductive LiquidJul 14 , 2021On July 9, a batch of carbon nanotube conductive liquid was shipped to our customer's factory. CNT carbon nanotube conductive liquid is a new type of high-efficiency conductive agent for lithium batteries, which can replace traditional conductive carbon black, conductive graphite, conductive carbon fiber and other traditional conductive agents. It has these superior characteristics, ultra-high asp...read more
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Aluminum Laminate Film for Pouch Cell CaseSep 02 , 2021The packaging method of lithium battery depends on the shell material it uses. In general, only lithium pouch batteries will use aluminum laminate film and heat sealing. The metal cans batteries are usually sealed by laser welding. Aluminum laminate film generally has three layers, respectively nylon layer, Al layer, PP layer. Nylon layer is to ensure the appearance of aluminum laminate film, redu...read more
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Lithium Pouch Cell Case Forming ProcessOct 11 , 2021The battery cells of the pouch cell battery can be designed into different sizes according to the needs of customers. When the pouch cell case size is well designed, it is necessary to make the corresponding mold to make the aluminum laminate film forming. The pouch cell case forming process is using the forming mold to punch out a pit on the aluminum laminate film that can take in the battery ce...read more
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Lithium ion Pouch Cell Case Sealing ProcessOct 11 , 2021After the aluminum laminating film is formed and cut into shape, it is generally called Pocket, as shown in the following figure. In general, when the battery cells is thin, select a single pit (left below), and when the battery cells is thick, select a double pit (right below). Besause when the deformation of aluminum laminate film is too large, it will break through the deformation limit of alum...read more
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Lithium Battery Electrode Coating MachineOct 29 , 2021Lithium battery production process mainly includes battery cathode and anode slurry mixing, positive and negative electrode coating, roller pressing, electrode cutting, battery electrode making and die cutting, respectively corresponding to mixer, coating machine, roller press, slitting machine, electrode notching machine and electrode die cutting machine. The previous process of lithium battery -...read more
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Lithium ion Pouch Cell Electrolyte Filling ProcessNov 23 , 2021After pouch cells top sealing and side sealing, need to do X-ray to check the alignment of the battery cells, then put the battery cells into the drying room for drying(you can also use the drying oven to drying the battery cells). After the battery cells drying process is completed, The next step is electrolyte filling process and primary sealing process. Through the introduction of the previous ...read more
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Lithium ion Battery Pouch Cell Formation ProcessNov 26 , 2021After electrolyte filling and primary sealing is completed, First, it is necessary to wating electrolyte infiltration the battery cells in vacuum standing chamber, according to the different process will be divided into high temperature standing and normal temperature standing. After the electrolyte filling and standing process of the cell is completed, the next step is formation. What is lithium ...read more
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The theoretical basis and battery structure of sodium ion battery (Na-ion batteries) and lithium ion battery are very similar. Liquid sodium-ion batteries (like solid-state lithium-ion batteries, are also being investigated) are composed of positive electrode, negative electrode, current collector, electrolyte, and battery separator. Among them, electrolyte and separator basically follow the lith...read more
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Sodium-ion Batteries Cathode MaterialDec 27 , 2021(1) Layered metal oxides Layered metal oxides are favored by researchers because of their simple manufacturing method and high specific capacity. Similar to lithium batteries, layered oxide cathode materials are also promising cathode materials for commercial use in sodium ion batteries. (2) Prussian blue Prussian blue frame structure allows sodium ions to be embedded and released quickly, with ex...read more
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Lithium ion Battery Electrode Rolling ProcessFeb 28 , 2022After the electrode coating and drying, the peeling strength between the active material and the current collector foil is very low, and it needs to be rolled to enhance the bonding strength of the active material and the foil, to prevent peeling during immersion in electrolyte and battery use. At the same time, the roller pressing of the electrode can compress the volume of the cell, improve the ...read more
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Lithium ion Battery Formation ProcessMar 21 , 2022After battery manufactured, through a certain charge and discharge way to activate its internal anode and cathode materials, improve the battery's charge and discharge performance and self-discharge, storage and other comprehensive performance,this process is called formation. lithium ion battery formation process is a very complex process, and it is also an important process that affects battery ...read more
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The Factors of Lithium-ion Pouch Cell Gas GenerationApr 15 , 2022Because the steel and aluminum case（cans）lithium ion battery in the explosion of great harm, at present, aluminum laminated film as the main packaging material gradually become the mainstream. Battery case（cans） Advantage Disadvantage Steel cans Lithium ion battery Good physical stability, strong resistance to pressure Large weight, low safety, secondary hazards Al cans Lithium ion battery Light w...read more
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Polyvinylidene fluoride, referred to as PVDF, PVDF lithium ion battery binder is made of resin by adding some additives with specific properties, by injection molding or extrusion and other processing processes and polymers, is a highly non-reactive thermoplastic fluoropolymer, is a semi-crystalline fluoropolymer. Because of its good mechanical strength, chemical stability, electrochemical stabili...read more
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The Principle and Function of Battery Capacity Testing and Sorting What is lithium ion battery capacity testing sorting? There are two explanations for lithium-ion battery capacity test and sort. The first explanation: Battery capacity sorting and performance filtering. Lithium battery capacity sorting through computer management to get the data of each detection point, so as to analyze the size o...read more
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Materials Material selection is the first factor affecting the performance of lithium-ion batteries. If you choose the battery material with poor cycle performance, even if the process is reasonable and the production is perfect, the cycle of the cell can not be guaranteed. And with better materials, the cycle performance may not be too bad even if there are some problems in the subsequent product...read more
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Prussian Blue Cathode Materials for Aqueous Sodium-ion Batteries: Preparation and Electrochemical Performance Author：LI Yong. Prussian Blue Cathode Materials for Aqueous Sodium-ion Batteries: Preparation and Electrochemical Performance. Journal of Inorganic Materials[J], 2019, 34(4): 365-372 doi:10.15541/jim20180272 TOB New Energy can provide a full set of battery material and battery equipment fo...read more
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Introducing the Latest battery technologyOct 11 , 2022The development of electric vehicles is in full swing, and the power battery is one of the most important parts. Its development has a decisive effect on the battery life and safety of electric vehicles. Recently, we often hear some terms such as solid-state batteries, SVOLT’s jelly batteries, NIO’s Nickel 55 ternary Cell, IM Motors doped with silicon to supplement lithium, and CTP/CTC technology....read more
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Cobalt-doped Hollow Carbon Framework as Sulfur Host for the Cathode of Lithium Sulfur Battery Author: JIN Gaoyao, HE Haichuan, WU Jie, ZHANG Mengyuan, LI Yajuan, LIU Younian. Cobalt-doped Hollow Carbon Framework as Sulfur Host for the Cathode of Lithium Sulfur Battery. Journal of Inorganic Materials[J], 2021, 36(2): 203-209 DOI:10.15541/jim20200161 TOB New Energy provides various battery materials...read more
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