Lithium metal batteries, technology that could double the range of electric cars | Electromobility | Stanford University | Technology

New Electric vehicles Can work with Lithium metal batteries It can travel 800 to 1,100 kilometers on a single charge, twice that of current lithium-ion batteries.

Currently, lithium metal technology has serious drawbacks: the battery quickly loses its ability to store energy after relatively few charge and discharge cycles.

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In this context, Stanford University researchers have found a low-cost solution: drain the battery and let it sit for several hours. This simple approach restored battery capacity and improved overall performance.

The results of the study, published in Nature, could provide electric vehicle manufacturers with practical information on how to adapt lithium metal technology to real-world driving conditions, says lead author Yi Gui, a professor of energy and engineering at Stanford. Duerr School of Sustainability.

Magnified image of the copper mesh of a lithium metal battery in a discharged state. Small pieces of dead lithium of various sizes and shapes are placed in square openings in the mesh. (Photo: Europapress)

Likewise, doubling the limit will remove the limit anxiety for drivers who are hesitant to buy electric vehicles. Unfortunately, constant charging and discharging quickly degrades lithium metal batteries, rendering them useless for regular driving.

Also, this new approach does not require new and expensive manufacturing techniques or materials. This protocol can be quickly implemented to write battery management system code.

Therefore, the researchers believe that in some types of lithium metal batteries, only the resting discharge state can significantly increase the life cycle of electric vehicles.

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