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New EV battery technology could power 500-mile road trips on a 12-minute charge
How It Works UK
|Issue 208
Scientists have used a neat chemistry trick to tackle a major challenge facing future batteries.
Their breakthrough paves the way for next-generation electric vehicle (EV) batteries capable of powering 500-mile journeys on a single 12-minute charge. Lithium-metal batteries differ from standard lithium-ion batteries in that the graphite anode is replaced with lithium metal. These designs offer a much higher energy density. For EV drivers, this means batteries that charge faster and go farther. But scientists have been unable to build effective lithium-metal batteries due to ‘dendrites’ — a branching, crystalline substance that grows on the anode during charging, eroding battery performance over time. This worsens during rapid charging and increases the risk of the battery short-circuiting.
Cette histoire est tirée de l'édition Issue 208 de How It Works UK.
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