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The American start-up Enovix recently presented its next-generation silicon battery. Since it can be almost fully charged in less than 10 minutes, electric vehicles equipped with it could be back on the road in no time.
Encourage EV adoption by reducing charging times
The loading times of batteries are an extremely important factor in promoting the adoption of electric vehicles. Significant breakthroughs have been made in recent years to drastically reduce them. In 2021, researchers have Harvard in particular, presented an experimental, ultra-rapidly rechargeable lithium-ion cell that can regenerate itself.
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The technology company FIG currently offers the world’s fastest electric vehicle charger, capable of fully charging a car in 15 minutes or less. Enovix tries to reduce this delay thanks to him “3-dimensional” battery architecture exclusive that includes a silicon cathode and anode.
With a significantly higher storage potential, silicon is favored as an alternative to graphite for anodes. To EnovixThe innovative architecture of the new battery increases its energy density by 10 times and allows it to survive more than 1,000 charge/discharge cycles while retaining 93% of its capacity.
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A silicon battery that reaches an 80% charge in just over 5 minutes
The company has proven this in a recent series of tests this type of silicon cell Charged to 80% in 5.2 minutesand achieved 98% charge in less than 10 minutes. This is significantly better performance than the lithium-ion battery presented by Chinese researchers last month.
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“Ultra-fast charging can accelerate the mass adoption of electric vehicles, and we have demonstrated a level of performance that exceeds the targets of many manufacturers,” he estimates Harold RostCEO ofEnovix.
“We are proud to contribute to the electrification of the automotive industry and show that our batteries are an attractive option for powering these types of vehicles. »