GM is considering repurposing cylindrical batteries for electric vehicles instead of the present package options. Other leading automakers are either already considering this approach or are planning to do so.
GM's new approach resulted in the construction of a new facility jointly with LG, according to The Elec, which is citing industry sources. In the meantime, the automaker is considering adopting cylindrical versions in future models.
According to rumors, GM intends to select 4680 batteries – the same type used by Tesla. Other electric vehicle manufacturers such as BMW, Volvo, and Stellantis are also considering their use – it is believed that 4680 batteries are more appropriate for electric vehicles than other cylindrical versions.
The process of assembling anodes, cathodes, and separators, and storing them in cylindrical cases, as well as packet or prismatic batteries, is well-known. Because there is quite a lot of free space when packed in large blocks, it is simple.
Long cylindrical batteries like the 4680 with a length of 80 mm make their usage easier – there is less room for packing in Tesla. Due to special modifications, this option is even more compact.
In the face of rising costs in the industry, General Motors has decided to convert to cylindrical batteries. They are the oldest type, so manufacturers have long developed their manufacturing methods and have many strategies to reduce production costs.
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