Tesla unveiled ‘tabless’ battery cells for range improvement
Tesla unveiled plans to develop a “tabless” battery that could improve an electric car’s range and power.
The company will produce its new batteries in-house which Tesla CEO Elon Musk predicts that helps to reduce costs and allows the company to sell the electric vehicles as the price of ICE vehicles.
Tesla unveiled ‘tabless’ battery
This battery is expected to reduce Tesla’s battery cost per kilowatt-hour, the unit of energy most commonly used to measure the capacity of the battery packs in modern electric vehicles. The lower the costs of the battery will allow Tesla to lower the costs of its cars. the new battery was announced during the company’s much-hyped “Battery Day” event in Palo Alto, California.
Musk said Tesla achieved this breakthrough by removing the tab, part of the battery that forms a connection between the cell and what it is powering.
The new Tesla tabless cells are called as 4860 cells. It will boost the company’s EV batteries to 5 times more energy capacity making it 6 times more powerful and enables a 16% range improvement in Tesla’s vehicles.
These new cells are bigger than Tesla’s current cells, measuring 46 millimetres by 80 millimetres (thus the name, 4680). It will reduce the cost per kWh to 14 per cent at the cell form factor level. Musk said Tesla’s new cell manufacturing system is “close to working” at the pilot plant level.
Drew Baglino, Tesla’s vice president for powertrain and energy during the event said that Tesla’s engineers “laser patterned” the existing foils in the cell to create a “shingled spiral” that results in a shorter electrical path length of 50 mm, versus the existing 250 mm length in the current cells.
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