18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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How can soft pack batteries achieve technological breakthroughs?Nickel Metal Hydride No. 5 battery

release time:2023-08-02 Hits:     Popular:AG11 battery

  

  1. The size and capacity of the battery cell have increased: not only the cylinder, but also the soft package and square shell are developing towards greater size.

  Cylindrical battery: evolved from 18650 to 21700, and then to 4680, BMW's design specifications are 4695 and 46120;

  Square battery: From the original VDA size (148 * 26.5 * 91mm) to the path of thickness development or width development;

  Flexible battery: from the applicable VDA module (300mm in length) to the MEB 590 module (500mm+in length), and to the Technology roadmap of large flexible package, such as the large flexible battery of Funeng Technology;

  2. Simplification of structure: With the development of cylinders, square shells, and soft packages towards CTP and CTC, the entire design begins to simplify, and matching characteristics need to be considered during the simplification process.

  Of course, we can also see that in addition to changes in size and structure, cars have a significant impact on power electronics


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