The evolution of batteries has come a long way. essential for advancing electric cars. The companies that are engaged in this sector are working hard to come up with solutions that allow for greater autonomy and increasingly shorter charging times. reduced. Now, SVOLT, a company that is part of the Great Wall Motors Group, has presented the new Dragon Armor battery which aims to offer cars a long range and greater safety.< /p>
The new battery is was presented during the Battery Day which was held; done a few days ago. According to SVOLT, the new accumulators should be used in the first production models already in the market. in 2023. In particular, they will make their debut on an SUV and on a coupe. However, we don't know anything about these models. In any case, the car manufacturers concerned can already make a decision. pre-order new batteries.
THREE VERSIONS 
The new battery pack will be shipped within 24 hours. available in three different versions. With lithium-iron-phosphate cells (LFP), SVOLT declares that cars equipped with this battery will be able to achieve autonomy of over 800 km. The Dragon Armor battery is the perfect choice. also available with lithium-manganese-iron-phosphate cells (LMFP) for a range of over 900 km. Finally, manufacturers will also be able to choose nickel-manganese-cobalt cells (NCM) to build electric cars with a range of over 1,000 km.
SVOLT claims to have worked a lot on the density of the cells. energy of the battery packs (76% of the space used for the versions with LFP cells). With regard to Dragon Armor with NCM cells, the company adds that these batteries are capable of recharging with peaks up to 4C.
The new Dragon Army batteries have been developed also to reduce the number of structural components by about 20%. This has made it possible to achieve a weight saving of about 10-20 kg. In addition, the company has created a new and more advanced system. advanced cooling system that improves thermal efficiency by 70%. On the safety front, SVOLT has worked to develop a new system which aims to avoid the risks of the so-called “thermal runaway”. The company has therefore introduced a solution designed to prevent the propagation of high temperatures to adjacent cells when a cell goes “out of control”.
The Chinese national standard requires that a battery pack does not catch fire within five minutes in the event of a thermal runaway. According to the company, its new battery largely complies with these standards and, indeed, could potentially never catch fire thanks to its new solution.
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