▎ 摘　　要

NOVELTY - A lithium iron phosphate cathode material comprises a lithium iron phosphate/carbon nanotube composition whose surface is coated with graphene nanosheet. USE - Lithium iron phosphate cathode material for large-capacity lithium battery. ADVANTAGE - The lithium iron phosphate cathode material has high conductivity and high tap density, improves the power density, charge and discharge capacity, electric capacity and cycle performance of lithium batteries effectively, and meets the needs of large-scale production.