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Silicon Negative Material, Silicon Negative Material Preparation Method, Negative Electrode Plate, And Lithium-Ion Battery
Silicon Negative Material, Silicon Negative Material Preparation Method, Negative Electrode Plate, And Lithium-Ion Battery
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机译:硅负极材料,硅负极材料的制备方法,负极板和锂离子电池
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摘要
This application provides a silicon negative material, a silicon negative material preparation method, a negative electrode plate, and a lithium-ion battery. The silicon negative material includes a silicon core, and a buffer coating layer and a first coating layer that are coated on a surface of the silicon core, where the first coating layer is a coating layer including a carbon material, and the carbon material includes at least one of the following doping elements: N, P, B, S, O, F, Cl, or H. In embodiments of this application, fast charging performance of the silicon negative material when being used as a negative electrode of a battery is improved.
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