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Although high-voltage lithium battery materials are getting more and more attention, these high-voltage anode materials are still unable to achieve good results in practical production and application. The biggest limiting factor is that the electrochemical stability window of the carbonate-based electrolyte is low. When the battery voltage reaches about 4．5（vs．Li/Li＋）, the electrolyte begins to p...
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The vacuum drying oven is designed for drying heat sensitive, easily decomposable and easily oxidizable materials. It can be filled with an inert gas, which can make some ingredients with complex ingredients dry quickly. Scope of application: High Temperature Vacuum drying ovens are widely used in research and application fields such as biochemistry, chemical pharmacy, medical and health, agricult...
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Introduction: Polyvinylidene fluoride binder(PVDF) is currently the most commonly used oil binder in the lithium ion battery industry. It is a non-polar chain polymer binder. It is characterized by strong oxidation resistance, good thermal stability and easy dispersion. N-methylpyrrolidone (NMP) is required as a solvent. This solvent has a high volatilization temperature, has a certain environment...
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The main components of lithium ion battery include cathode, anode, electrolyte, membrane, etc. The storage and release of lithium ion energy is realized in the form of REDOX reaction of electrode materials, and the cathode active material is the most critical core material of lithium ion battery. Professor GOODENOUGH, the father of lithium battery, has made a great contribution...
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The Electrode Coating Machine is the key equipment for the production of lithium battery electrode. Because it directly affects the subsequent rolling operation, and even affects the performance of the entire battery. At present, the mainly lithium battery electrode coating process is: scraper type, roll to roll transfer coating type and a slit extrusion type. General speaking, laboratory equ...
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Graphene Oxide is a two-dimensional planar nanomaterial composed of carbon atoms with a hexagonal honeycomb lattice，the c-c bond length is 0.141nm, the theoretical density is about 0.77mg/m2, and the thickness is only about the diameter of a carbon atom. Carbon atoms participate in hybridization in the way of sp2, and electrons can smoothly conduct between layers, so graphene conducts electricity ...
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For lithium ion batteries, the cathode materials that can be used should meet the characteristics of large reversible capacity, high potential and stability, non-toxic and low production cost. At present, lithium iron phosphate is the most common cathode material for lithium ion batteries. However, LiFePO4 has poor electrical conductivity and low lithium ion mobility. If LiFePO4 material is combin...
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We have some large factories that we more or less have seen roller press. But surely everyone for roller press is not so understanding. Here I am for everyone detail our company’s flagship product roll press. Roller press and a series of broken classifier as a pre-grinding system with open cement mill roll grinding system consisting, in particular the process of using the system as a new and effic...
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According to the operation mode, can be divided into:manual winding machine,semi automatic winding machine,automatic winding machine.Lithium battery winding machineand the capacitor winding machine, buyers usually according to classification of origin, mainly divided into: domestic winding machine, winding machine, South Korea Japan winding machine. Battery manufacturers generally small scale will...
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