Detailed knowledge of lithium battery structure

Detailed lithium battery structure Today, lithium battery manufacturers share with you many lithium battery packages we use: in fact, the structure of lithium batteries can be divided into two types: winding type and cascade type. The structure of a lithium battery is mainly composed of five parts: positive electrode, negative electrode, electrolyte, separator, housing and electrode lead. Therefore, lithium batteries are divided into two types: liquid lithium batteries and polymer lithium batteries, in which liquid lithium batteries have a winding structure, and polymer lithium batteries have both. The positive diaphragm, the diaphragm, and the negative diaphragm are placed in sequence and wound into a cylinder or flat column, mainly represented by Sanyo, Toshiba, Sony, and ATL. The cascade type stacks the positive film, the diaphragm, the negative film, the diaphragm, and the positive film in multiple layers. All the positive electrodes are welded together and lead out, and the negative electrodes are also welded together and lead out. ATL is the most important representative. At present, lithium cobalt acid, lithium nickel acid and lithium manganese acid are commonly used in lithium batteries. The most commonly used material is lithium cobalt oxide, which has good cycle performance and is easy to manufacture. The disadvantage is that cobalt compounds are more expensive. Due to the unstable nature of lithium nickelate, it is difficult to manufacture. Generally, lithium cobalt doped nickel compounds, also known as lithium nickel, are commonly used. Lithium manganate is also a very good material. Lithium manganate decays faster at high temperatures and many other reasons. At present, most of its applications are still in the laboratory stage. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: How to charge the lithium battery so as not to damage the battery life?