Carbon-loaded silicon negative electrode material as well as preparation method and application thereof

The invention relates to the technical field of lithium ion battery negative electrodes, in particular to a carbon-loaded silicon negative electrode material and a preparation method and application thereof. The stripping agent is used for pore forming of the carbon source material, thermal oxidation crosslinking is used for preventing micropores from being closed in subsequent steps, more deposition sites can be provided for carbon material loaded silicon, and the prepared carbon loaded silicon material can serve as a lithium ion battery negative electrode material and has the advantages of being high in reversible specific capacity, high in first efficiency, stable in structure and the like. 本发明涉及锂离子电池负极技术领域，尤其涉及一种炭负载硅负极材料及其制备方法与应用。本发明使用剥离剂对碳源材料进行造孔，使用热氧化交联防止微孔在后续步骤中闭合，可为炭材料负载硅提供更多的沉积位点，所制得的炭负载硅材料可作为锂离子电池负极材料具有可逆比容量高、首效高、结构稳定等优点。