▎ 摘　　要

NOVELTY - Lithium-ion battery comprises anode, cathode and non-aqueous electrolyte, the anode comprises anode material layer, the compaction density of the anode material layer is 2.35-3 g/cc, the anode material layer includes a anode active material, the anode active material is lithium iron phosphate, the non-aqueous electrolyte includes solvent, electrolyte salt, vinylene carbonate and cyclohexane compound (1). USE - Used as lithium-ion battery. ADVANTAGE - The lithium-ion battery has excellent high temperature storage performance and high temperature cycle performance; and overcome the problem that the existing lithium-ion battery pressure solid lithium iron phosphate is easy to break under the high temperature cycle condition gas generation and ferrous ion dissolution resulting in high. DETAILED DESCRIPTION - Lithium-ion battery comprises anode, cathode and non-aqueous electrolyte, the anode comprises anode material layer, the compaction density of the anode material layer is 2.35-3 g/cc, the anode material layer includes a anode active material, the anode active material is lithium iron phosphate, the non-aqueous electrolyte includes solvent, electrolyte salt, vinylene carbonate and cyclohexane compound of formula (1). n = 0-3; and R = halo, 1-3C alkyl or 1-3C haloalkyl.