Generally, cylindrical cell consists of five parts: positive electrode, negative electrode, separator, electrolyte and safety accessories. 根据用途不同,锂离子电池可分为消费类电池、动力型电池和储能型电池。 Lithium-ion battery can also be classified as consumer battery, power battery and energy storage battery according to its application. 根据外形不同,锂离子电池可分为圆柱电池