A new paper presents a stable lithium-metal battery design for the first time . Lithium-ion batteries have flaws that lithium-metal batteries could fix. This new battery adds a self-healing technology that will close cracks where dendrites form. Lithium-ion batteries are the backbone of most of today’s electronic devices, including electric vehicles . But for all of their game-changing benefits, the batteries still have an inherent flaw: dendrites. These thin, snaking, tree-like pieces of lithium form sharp points and end up piercing the battery, causing short circuits and other problems. This ultimately shortens the lifespan of lithium-ion batteries, and leaves major room for improvement. ➡ You think science is badass. So do we. Let’s nerd out over it together. Scientists have focused, then, on studying lithium dendrite formation to see how they can make better, longer-lasting batteries for electric vehicles. Now, Harvard University researchers say they have the answer: a lithium- metal battery made of a solid-state metal material rather than lithium-ion, eliminating the pesky dendrites and offering more structural stability than a battery consisting of liquid or graphite materials. Think of the new battery like a BLT: “Our multilayer design has the structure of a less-stable electrolyte sandwiched between […]


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