▎ 摘　　要

NOVELTY - A lithium iron phosphate battery preparing method involves utilizing self-pyrrole electroless polymerization reaction for reducing graphene oxide to graphene pyrrole and oxidizing pyrrole to polymerized poly pyrrole, enabling the surface of the powder form of lithium iron phosphate having conductivity and corrosion resistance of polypyrrole/graphene composite layer, followed by configuring graphene oxide, polypyrrole, ammonium persulfate and processing liquid during polymerization reaction without electricity to achieve lithium iron phosphate battery adequate response. USE - Method for preparing lithium iron phosphate battery. ADVANTAGE - The method enables preparing lithium iron phosphate battery with improved electrochemical performance, increased circulation stability, improved lithium iron phosphate rate and high discharge performance, in simple and easy manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a lithium iron phosphate battery.