Silicon anode of lithium ion battery
A lithium-ion battery, silicon anode technology, applied in battery electrodes, secondary batteries, circuits, etc., can solve problems such as restricting the development of lithium-ion batteries, limited capacity of lithium-ion batteries, and low theoretical specific capacity. The effect of charge-discharge cycle characteristics, improved flexibility and chemical stability, and improved electrochemical reaction rate
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[0009] The specific implementation of the present invention will be further described below in conjunction with the examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0010] The technical scheme of concrete implementation of the present invention is:
[0011] A lithium-ion battery silicon negative electrode, composed of a conductive agent and a negative electrode material, the negative electrode material includes a negative electrode active material and a binding material, the negative electrode active material includes graphite and silicon dioxide, and the binding material is an organic solvent-based binder , the organic solvent-based binder is composed of 33% polyvinylidene fluoride, 50% polytetrafluoroethylene, and 17% propylene; the conductive agent is a spherical structure of silicon nanotubes, including a plurality of evenly distribute...
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