In production the batteries that charge in 15 minutes

Batteries that charge in 15 minutes are the ideal scenario for the overall prevalence of electromobility and probably the news is good since QuantumScape is very close to making this technological innovation a reality.

QuantumScape has managed to make commercially viable the first solid-state lithium batteries, which charge at 80% in 15 minutes and are expected to pass the electricization to a new era.

Read more: VW creates its own company for battery manufacturing

These batteries can store more energy in the same dimensions and with the same weight than lithium-ion batteries with liquid electrolytes. As QuantumScape argues, the solid-state batteries it developed increase the electric car’s range by 80% (!), and charge from 0 to 80% in 15 minutes.

It was extremely difficult for this particular battery to be reliable and have together high energy density, fast charging, long life, and wide temperature “window” for its ideal operation.

Now, QuantumScape says its scientists in San Jose, California, have overcome these obstacles. It did this by designing the batteries differently, using lithium-metal rises that are not formed during construction, but around the current collector when the battery is charged.

Thus, it scores excellent energy density values, about four times more than the current batteries of a Tesla Model 3. Specifically, in the ratio of density and weight it achieves 380-500 Wh/kg, compared to the 260 Wh/kg of Tesla batteries.

QuantumScape’s battery stays very close to this density for at least 800 charges, equivalent to about 386,000 kilometers, the American company claims.


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