BATTERY MODULE AND PACK ASSEMBLY PROCESS
PDF | Our second brochure on the subject "Assembly process of a battery module and battery pack" deals with both battery module assembly and battery... | Find, read and cite all the...
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6 Frequently Asked Questions about “What are the battery pack shell processing technologies ”
What is a conventional battery manufacturing process?
The conventional battery manufacturing process is from cell to module, and then from module to pack. This intermediate step divides the battery into separate modules, each of which can have its own independent battery management and diagnostic systems.
What is cell to pack (CTP)?
CTP is “Cell to Pack”, which skips the standardized module and directly integrates battery cells into battery pack, which effectively improves space utilization and energy density of battery pack. This integration method was firstly proposed by CATL in 2019. Since then, BYD and SVOLT Energy have successively released their own CTP solutions.
Why is it important to seal a battery pack?
That is, when designing and manufacturing battery pack, the battery system is integrated with body as a whole, sealing and waterproof requirements of the battery itself can be met, and sealing of battery and passenger cockpit is relatively simple, so the risk is controllable.
Why is an interdisciplinary approach necessary for battery pack manufacturing?
An interdisciplinary approach for battery pack manufacturing is necessary due to the inherent multiphysical nature of the application to satisfy an increasing demand for electric cars.
How does interconnection affect the performance of a battery pack?
Interconnection of the battery cells creates an electrical and mechanical connection, which can be realised by means of different joining technologies. The adaption of different joining technologies greatly influences the central characteristics of the battery pack in terms of battery performance, capacity and lifetime.
What makes BYD a module-free battery pack?
With cell-to-pack technology, BYD designed the module-free battery pack using the Blade Cell. The geometry of the Blade Cell is a key to the realization of the module-free battery pack. With the module-free pack design, VCTPR and GCTPR can be enhanced to over 60% and 80%.