The Truth About Toyota’s New Magnesium Battery

Before the average electric car can travel 500 highway miles on a single charge, we’ll need better batteries than the lithium-ion packs used today. Last week, when Toyota told the press that it was working on a magnesium-based electric-car battery that could beat or even replace lithium-ion, the news dashed across the Internet. But anyone inclined to start calling magnesium the “new lithium” needs to keep a few important things in mind.

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