▎ 摘　　要

NOVELTY - A positive electrode sheet comprises a positive electrode current collector, a conductive coating layer and a positive electrode active material layer sequentially arranged on a surface in a direction away from the positive electrode current collector. The positive electrode active material layer comprises 94-96 wt.% positive electrode active material, 2-3 wt.% positive electrode binder, and 2-3 wt.% positive electrode conductive agent comprising carbon nanotubes. The conductive coating layer is a conductive coating comprising graphene. USE - Positive electrode sheet is used for lithium ion battery (claimed). ADVANTAGE - The positive electrode sheet has improved high-rate discharge performance and service life under high-rate discharge conditions. The carbon nanotubes in the positive electrode sheet are capable of improving electronic conductivity between the positive electrode particles, and combine with the graphene to form an electron transport channel. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation of positive electrode sheet; and (2) lithium ion battery comprising the positive electrode sheet.