Analysis of lithium ion battery separator

Lithium-ion batteries have the characteristics of high specific energy, long cycle life, no memory effect, and the advantages of safety, reliability, and rapid charge and discharge. Therefore, they have become a hot spot in the research of new power supply technologies in recent years. It can be widely used in portable electronic products such as mobile phones, notebook computers, camcorders and other rechargeable batteries, and can also be used as power sources for electric vehicles and hybrid vehicles. Lithium-ion batteries are mainly composed of positive and negative electrode materials, electrolytes and separators. There is a membrane material between the positive electrode and the negative electrode of a lithium ion battery, usually called a separator, which is an important part of the lithium ion battery. The important purpose of the separator is: (1) to isolate the positive and negative electrodes and prevent the electrons in the battery from passing freely; (2) to allow ions (in the electrolyte solution) to pass freely between the positive and negative electrodes. The multi-layer diaphragm has a certain strength and a lower self-closing temperature, and is more suitable as a lithium ion battery diaphragm. The solid polymer electrolyte is used as an electrolyte in a lithium-ion battery and can also serve as a separator. It is a promising lithium-ion battery separator material. 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: Introduction to the characteristics and advantages of lithium-ion batteries