深圳新宙邦科技股份有限公司“一种锂离子电池”专利公布

Core Viewpoint - Shenzhen Xinzhoubang Technology Co., Ltd. has recently published a patent for a "lithium-ion battery" aimed at addressing the instability of existing electrolytes under high pressure, which affects the electrochemical performance of lithium-ion batteries at high temperatures [1] Summary by Relevant Sections - Patent Details - The patent describes a lithium-ion battery that includes a positive electrode, a negative electrode, and a non-aqueous electrolyte [1] - The positive electrode consists of a layer containing positive electrode materials, while the non-aqueous electrolyte includes a non-aqueous organic solvent, electrolyte salt, and additives [1] - The additives comprise fluoroethylene carbonate and a first additive, which includes a specific compound structure [1] - Performance Conditions - The lithium-ion battery must meet specific conditions: 0.5 ≤ (a + 10c) / b, K90 ≤ 150, with constraints on variables a, b, and c [1] - The parameters are defined as follows: 0.5 ≤ a ≤ 9, 0.1 ≤ b ≤ 3, 0.01 ≤ c ≤ 1.1, and 0.1 ≤ K90 ≤ 25 [1]