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What raw materials are needed for the production of lithium-ion batteries?
Lithium ion batteries are mainly composed of positive electrode materials, negative electrode materials, separators, and electrolytes. Positive electrode materials account for more than 40% of the total cost of lithium-ion batteries, and the performance of positive electrode materials directly affects the various performance indicators of lithium-ion batteries. Therefore, lithium positive electrode materials occupy a core position in lithium-ion batteries.
1. Positive electrode material
Among positive electrode materials, the most commonly used materials are lithium cobalt oxide, lithium manganese oxide, lithium iron phosphate, and ternary materials (nickel cobalt manganese polymers). The positive electrode material accounts for a large proportion (the mass ratio of positive and negative electrode materials is 3:1~4:1), because the performance of the positive electrode material directly affects the performance of lithium-ion batteries, and its cost directly determines the cost of the battery.
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