Literally, a soft pack battery is a polymer shell placed on a liquid soft liquid lithium-ion battery. The biggest difference from other batteries is the use of aluminum plastic film as the packaging material for the battery cells. For soft pack batteries, in terms of structure, their own safety performance is good, in terms of volume, weight is light, and the advantages of bearing large capacity, small internal resistance, and flexible design are gradually showing their advantages and status.
The structure of soft pack batteries adopts aluminum plastic film packaging, and the biggest advantage of aluminum film packaging is that it has a certain degree of flexibility. When safety issues occur, soft pack batteries generally burst and crack, causing internal liquid leakage, and will not cause explosions and fires due to the inability to discharge gas. This is different from steel or aluminum shell batteries in that the advantages of this type of battery are still foreseeable, Secondly, in terms of battery weight, it is light. For electric vehicles, installing a soft pack battery can reduce the weight brought by the battery and improve the vehicle's range to a certain extent.
In terms of appearance, it can be changed to any shape. For vehicles, installing a soft pack battery can increase the space of the vehicle, and the installation position of the soft pack battery is not affected by the structure of the vehicle. Secondly, for soft pack batteries, the battery can be made thinner, and the overall flexibility and compatibility of the soft pack battery are relatively high, which has great attraction for car companies in terms of design and other aspects.
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