▎ 摘　　要

NOVELTY - A positive plate of lithium ion battery comprises three layers of electrode layers arranged in laminated manner. The anode active material in electrode layer comprises lithium iron manganese phosphate, lithium manganate and/or lithium nickel cobalt manganate. The lithium manganese iron phosphate is (I). The lithium manganate is (II). The lithium nickel cobalt manganate is (III). USE - Positive plate of lithium ion battery. ADVANTAGE - The battery has high energy density and safety, recyclable performance, excellent multiplying power performance and low temperature discharge performance. DETAILED DESCRIPTION - A positive plate of lithium ion battery comprises three layers of electrode layers arranged in laminated manner. The anode active material in electrode layer comprises lithium iron manganese phosphate, lithium manganate and/or lithium nickel cobalt manganate. The lithium manganese iron phosphate is of formula (LiMnxFe1-xPO4) (I). The lithium manganate is of formula (LiMn2O4) (II). The lithium nickel cobalt manganate is of formula (Li(NiaCobMnc)O2) (III). a=0.65-0.8; b=0-0.1; c=0-0.5; or a + b + c=1; and x=0.6-0.8. An INDEPENDENT CLAIM is also included for a method for preparing positive plate of lithium ion battery comprising preparing anode slurry comprising first electrode layer slurry, second electrode layer slurry and third electrode layer slurry, coating first electrode layer slurry on anode current collector, drying to obtain electrode layer A, coating second electrode layer slurry on surface of electrode layer A, drying to obtain electrode layer B, coating third electrode layer slurry on surface of electrode layer B, drying to obtain unformed positive pole piece, drying and rolling by rolling machine.