A method for simulating calculating safety performance under high temperature of electrode material for lithium ion cell
A technology for lithium-ion batteries and electrode materials, which is applied in the direction of calculation, calculation model, electrode manufacturing, etc., can solve the problems of difficulty in determining the battery, consume a lot of time and money, and achieve the effect of reducing cumbersome processes, easy operation, and cost safety.
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[0022] (Preparation of electrode samples)
[0023] (1) Making lithium-ion batteries: lithium cobalt oxide (LiCoO 2 ) as the positive electrode active material, acetylene black as the conductive agent, and polyvinylidene fluoride (PVDF) as the binder. The ratio (weight ratio) of the positive electrode of the battery is: active material (LiCoO 2 ): acetylene black: adhesive = 96:2:2. A certain amount of N-methylpyrrolidone (NMP) was added and mixed thoroughly to form a paste, which was evenly coated on a 20-micron thick aluminum foil, rolled, cut and dried to obtain a positive electrode sheet. Graphite is used as the negative electrode active material, acetylene black is used as the conductive agent, and polyvinylidene fluoride (PVDF) is used as the binder. The ratio (weight ratio) of the negative electrode of the battery is: active material: acetylene black: binder = 85:5:10. Add a certain amount of N-methylpyrrolidone (NMP) and mix thoroughly to form a paste, evenly sprea...
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