New battery is charged in seconds

An illustration of the design. PIC COURTESY/UCLA

An international research collaboration has developed a nickel-iron battery prototype that recharges in seconds and maintains its performance for over 12,000 cycles.

This endurance is equivalent to more than 30 years of daily recharges.

It is a good fit for storing excess electricity generated at solar farms during the daytime. However, it does not yet match the energy density of lithium-ion batteries.

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