Direct Drive Helps Improve the Production Speed and Quality of Electric Vehicle Batteries

The demand for battery-electric and plug-in hybrid electric vehicles is rapidly growing, thanks to increasing manufacturing capacity, largescale promotion, and widespread recognition of the urgent need to reduce greenhouse gas emissions. Blade batteries have become the most popular choice for these new-energy vehicles due to higher safety performance, longer cruising range and faster charging speed compared to other lithium-ion battery technologies.


The lamination process is essential in the production of blade batteries, and the efficiency of the entire lamination stacking machine is limited by the feeding and slicing station. At present, the production efficiency of mainstream cutting and stacking equipment is 240–300 pieces per minute, with a slicing accuracy of ±0.15 millimeters, but these figures cannot meet the growing demand.

To fill the need, manufacturers of cutting and stacking equipment must quickly adopt retrofit and upgrade solutions that improve production accuracy, efficiency and yield. For a major equipment manufacturer in China, failure to achieve these goals would have ripple effects that could slow the production and increase the price of lithium-ion blade batteries and the electric vehicles that use them. Success, on the other hand, would give the manufacturer a competitive advantage while aiding the transformation to a greener world.

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The use of this news article and images came with permission from Kollmorgen.