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The 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....
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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 batte...
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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...
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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...
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Under scanning electron microscope, carbon black is chain or grape-like, and individual carbon black particles have very large specific surface area, carbon black has better ionic and electronic conductivity than graphite. The high specific surface area and tight packing of carbon black particles are conducive to the close contact between particles, forming a conductive network in the electrode, w...
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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...
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Because 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...
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After 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 ...
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After 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 ...
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