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Cobalt-free battery leans on nickel for extra energy storage

As a relatively rare and expensive heavy metal, cobalt serves as a vital but costly part of today’s lithium batteries, not just in terms of dollars but also for the environment and well-being of those tasked with mining it. A new battery design from the University of Texas at Austin may help address these issues, with the team demonstrating a new type of battery architecture that performs on par with conventional devices, while being entirely free of cobalt.

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