Silicon-carbon composite negative electrode material, preparation method, negative electrode and lithium ion battery

• Main Authors: SHI JIAGUANG, YUAN FANGWEI, LI SHUO, LIU LANG, FAN XIECHENG, HU BAOPING
• Format: Patent
• Language: Chinese; English
• Published: 28.09.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention discloses a silicon-carbon composite negative electrode material. The material comprises silicon monoxide and nano silicon attached to the surface of the silicon monoxide, wherein the surface of the silicon monoxide attached with the nano silicon is coated with a nano carbon layer. The...