EV battery
Lithium battery pack factory shares all kinds of lithium battery structure solutions
by:Vglory
2021-04-16
Lithium-ion battery is a kind of rechargeable battery, which mainly relies on the movement of lithium ions between the positive and negative electrodes to work. During the charging and discharging process, Li+ intercalates and deintercalates back and forth between the two electrodes: when recharging the battery, Li+ deintercalates from the positive electrode and inserts into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. Generally, batteries containing lithium elements are used as electrodes. It is a representative of modern high-performance batteries. 1. The history of lithium-ion batteries 2. The electrochemical reaction of lithium-ion batteries. This reversible reaction method of lithium-ion batteries is now commonly known as the cradle reaction. When charging, lithium-ion Li+ runs from the positive electrode to the negative electrode through the diaphragm. Discharge is the opposite. Such 'swing' forms the basic mechanism of rechargeable lithium-ion batteries. 3. Introduction to the advantages and disadvantages of lithium ion batteries 4. History of polymer lithium ion batteries 5. Advantages and disadvantages of polymer lithium ion batteries 6. Cylindrical lithium ion battery structure This structure is generally used for liquid lithium ion batteries and is also the most One of the ancient structures, occasionally you can find its shadow on older mobile phones, most of which are used in the battery packs of laptop computers. 7. The structure of prismatic lithium-ion battery is more common in the form of liquid lithium-ion battery, which is widely used in battery packs of various mobile electronic devices, especially mobile phone batteries. The picture on the right is the UP383450 produced by sanyo, which is 3.8mm*34mm*50mm, and its nominal capacity has reached 650mAh. 8. The structure of the button-type lithium-ion battery This kind of rechargeable lithium-ion battery is not common, the capacity is not large, between a few to tens of mAh, and the application field is not wide. Similar products use disposable lithium batteries or gold capacitors. There was a similar product in Wuhan Lixing in China. I saw its introduction. The author has not tested it. I don't know how the performance is. 9. The structure of polymer lithium ion battery This is the typical structure of polymer lithium ion battery. The structure in the picture is called winding type, and there are also laminated types. The basic shape is like the one on the right after being wrapped with a layer of composite aluminum foil. image. (Note that the polymer lithium ion on the right is typically UP293559 produced by Sony, that is, the thickness is 2.9mm, the length and width are 35mm*59mm, not counting the size of two tabs) Statement: Some pictures and content of articles published on this site are from Internet, if there is any infringement, please contact to delete the previous article: How to slow down the impact of the formation of lithium dendrites on lithium batteries
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