Preparation method of SiOx-C composite for negative electrode of lithium ion battery
2016
The invention discloses a preparation method of a SiOx-C composite for a negative electrode of a lithium ion battery. In the method, citric acid is adopted as a carbon source and mixed with a silicon source to obtain gel, gel is poured in a culture dish to form a film, a SiOx-C precursor is prepared, and then the SiOx-C composite is prepared by conducting sintering under the protection of inert gas atmosphere at a high temperature. The method is high in repeatability, low in production cost, simple in operation step and suitable for mass production.
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