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Lithium ion batteries have the advantages of large capacity, high specific energy, good cycle life and no memory effect. Lithium-ion batteries are developing rapidly, and their capacity, as the most critical performance indicator, has attracted researchers' attention. Correspondingly, lithium battery PACK is continuously developing towards large capacity, fast charging, long life and high safety, ...
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The lithium-rich manganese-based (xLi[Li1/3-Mn2/3]O2; (1–x) LiMO2, M is a transition metal 0≤x≤1, and the structure is similar to LiCoO2) has a high discharge specific capacity. It is about twice the actual capacity of the cathode material currently used, and is therefore widely studied for lithium battery materials. In addition, since the material contains a large amount of Mn element, it is more...
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The battery separator plays a major role in lithium ion battery conduction lithium ions and isolation between the positive and negative electrode electronic contact. It is an important component to support the battery to complete the electrochemical process of charge and discharge. In the use of lithium batteries, when the battery overcharge or at higher temperatures, the separator ...
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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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