Analysis of the characteristics of lithium-ion batteries

1. It has a higher weight-to-energy ratio and volume-to-energy ratio. 2. The voltage is high. For example, the voltage of a single 18650 lithium-ion battery is 3.6V, which is equal to the series voltage of three nickel-cadmium or nickel-metal hydride rechargeable batteries. 3. The battery can be stored for a long time due to low self-discharge, which is the most prominent advantage of the battery. 4. No memory effect. Lithium-ion batteries do not have the so-called memory effect of nickel-cadmium batteries, so lithium-ion batteries do not need to be discharged before charging. 5. Long life. Under normal working conditions, the number of charge/discharge cycles of a lithium-ion battery is far greater than 500. 6. It can be charged quickly. Li-ion batteries can usually be charged with 0.5 to 1 times the capacity of the current, shortening the charging time to 1 to 2 hours. 7. It can be used in parallel at will. 8. Since the battery does not contain heavy metal elements such as cadmium, lead, mercury, etc., it does not pollute the environment and is the most advanced green battery in the contemporary era. 9. High cost. Compared with other rechargeable batteries, lithium-ion batteries are more expensive. Safety features of lithium-ion batteries. 1. Overcharge problem The protection board is installed on the lithium-ion battery to solve the problem of overcharge and overdischarge. 2. The internal short circuit adopts dust-free workshop to control impurities, and the employees of lithium-ion battery processing manufacturers take good care of personnel protection and on-site 5S prevention of bumps in the handling process; strengthen the life control of tools and molds; adopt high-strength diaphragms. 3. External short circuit: install a fuse on the battery pack; do a good job of training to prevent misoperation of personnel. 4. The battery is impacted or punctured by external force: the battery pack is equipped with a high-strength casing; flame-retardant electrolyte and a high-strength diaphragm are used. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Analysis of the advantages of customized lithium-ion batteries