Do you know what a high-voltage battery is?
by:Vglory
2021-03-14
From the voltage of the battery cell, it means high-voltage battery. This aspect is important for lithium-ion batteries. At present, the main types of lithium-ion battery cells include high-voltage lithium-ion battery cells and low-voltage lithium-ion battery cells. Polymer lithium-ion battery cells can be divided into high-voltage batteries (4.35V/4.4V) and ordinary voltage batteries (4.2V). The nominal voltage of ordinary voltage lithium-ion batteries is 3.6/3.7V, and the upper limit of the charging voltage is generally 4.2V. The nominal voltages of high-voltage lithium-ion batteries are 3.8V and 3.85V, and the corresponding charge cut-off voltages are 4.35V and 4.4V, respectively. High-voltage lithium-ion battery cells have higher energy density and lower safety performance than low-voltage batteries, but their discharge platform is relatively high. Under the same capacity, high-voltage batteries are lighter than low-voltage batteries in terms of volume and weight. In terms of the discharge rate of high-voltage and low-voltage batteries, high-voltage lithium-ion batteries have a higher discharge rate and stronger power than low-voltage lithium-ion batteries. Therefore, in theory, high-voltage battery cells should be more suitable for applications that require high-rate discharge products. On the equipment, it can give full play to its advantages. High-voltage battery packs/packs or high-voltage batteries generally refer to batteries above 48V, which are a complete set. Such batteries include high-voltage lead-acid storage, high-voltage nickel-hydrogen batteries and high-voltage lithium-ion batteries. It should be noted that they are all realized by connecting single cells in series. The higher the voltage, the more unstable the battery pack/pack composed of single cells. Therefore, the common high-voltage battery pack voltage is between 48V and 110V. ; Statement: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete the previous one: Introducing the fifteen advantages of lithium-ion batteries
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