不同碳材料对负极材料电化学性能的影响

In this investigation, the metal-organic polymer (Tim(OCH2CH2O)2m) coated on the surface of different carbon materials was synthesized (denoted as Tim(OCH2CH2O)2m/carbon) by the polymerization of isopropyl titanate and ethylene glycol. The metal organic polymer was further reacted with V2O5 to obtain TihVjOk(OCH2CH2O)g/carbon composite material. The composite was then pyrolyzed in nitrogen to obtain VOx-TiO2/C. The investigation results show that the materials synthesized using carbon nanotube slurry have abundant pore structure and nano-scale particle size, and the materials show excellent electrochemical performance. The anode material has a high specific capacity of 210 mAh/g at a current density of 1.0 A/g. However, the composites synthesized with carbon nanotube powder, acetylene black and graphite have obvious agglomeration, and the materials have poor cycle and rate performance.