Preparation technology of novel lithium iron phosphate composite electrode material

The invention provides a preparation technology of a novel lithium iron phosphate composite electrode material. The preparation technology comprises the following steps: firstly, performing ball milling on Li2CO3, FeC2O4-2H2O, Li2CO3, NH4H2PO4, rare earth Sm and Eu powder into micropowder with a high-energy ball milling, and then sintering the ball-milled micropowder to obtain the lithium iron phosphate composite electrode material according to a high-temperature calcinating technology. 本发明提供种新型磷酸铁锂复合电极材料的制备工艺。其工艺是：先通过高能球磨将LiCOFeCO・2HO 、LiCO、NHHPO、稀土Sm和Eu粉末球磨成微粉，然后再通过高温煅烧工艺，将球磨微粉烧结制备种磷酸铁锂复合电极材料。