▎ 摘　　要

NOVELTY - Silicon-carbon cathode material for lithium ion batteries comprises a substrate and nano-silicon deposited on the surface of the substrate. The substrate is a carbon material. The nano-silicon is deposited on the surface of the substrate through a plasma-enhanced chemical vapor deposition process, during the plasma-enhanced chemical vapor deposition process, the substrate is in a fluidized state of motion in the deposition zone. The plasma enhanced chemical vapor deposition process is performed in a fluidized plasma vapor deposition furnace. The fluidized plasma vapor deposition furnace is provided with a anode plate, a cathode plate and a stirring and feeding mechanism. A deposition area is set between the anode plate and the cathode plate. The negative plate has a vibration conveying function. USE - The silicon-carbon cathode material is useful for lithium ion batteries (claimed). ADVANTAGE - The material: ensures that the nano silicon is uniformly and firmly distributed on the carbon material through the fluidized flow of the substrate during the deposition process; avoids the problem of clustering of nano-silicon due to dissociation; uses it as cathode material for lithium-ion batteries; and improves the working performance of the battery. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing silicon carbon cathode material for lithium ion batteries, where the method utilizes silicon source gas, and diluent gas; and (2) device for preparing silicon-carbon cathode material.