The product consistency and safety of cylindrical lithium-ion battery are better. Cylindrical li ion customized battery packs are the earliest mature industrial lithium-ion battery products. The 18650 lithium-ion battery was first launched by Sony Corporation of Japan in 1992. At that time, the important application direction was 3C digital products. After more than two decades of development, cylindrical custom lithium battery pack have a mature production process, high production efficiency and relatively low cost, so the packaging cost is also relatively low. The yield of 18650 lithium ion battery pack is higher than that of prismatic lithium-ion batteries and LiPO li ion customized battery packs.
Cylindrical lithium-ion batteries have better heat dissipation performance than prismatic batteries due to their large heat dissipation area; cylindrical batteries are easy to combine into various forms and are suitable for full-layout electric vehicle space design. Based on these advantages, most domestic companies choose cylindrical batteries in the power supply field.
Prismatic lithium-ion battery:
Prismatic lithium-ion battery casings are mostly made of aluminum alloy, stainless steel, etc. The internal winding or lamination technology protects the battery better than soft batteries, and the safety of the battery is greatly improved compared to cylindrical batteries. At present, prismatic batteries are still developing towards high-hardness shells and lightweight technology, which will also provide the market with li ion customized battery packs products with better performance.
Small thickness, light weight, large capacity and good safety performance.
Li-PO batteries can be arbitrarily changed in size according to customer requirements. The structure of Li-PO batteries uses aluminum-plastic soft packaging, which is different from the metal casing of liquid batteries. Once a safety hazard occurs, the Li-PO batteries will only swell but not explode.
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