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New Tech Resurrects End-Of-Life Lithium Batteries Back To 95% Capacity

A new method developed by Cornell University researchers can restore used lithium-ion batteries to 95% of their original capacity. The process, called DEER, chemically removes a layer that builds up on battery electrodes, making the batteries usable again without destroying them. This could make battery recycling more efficient and sustainable.

What happened

Researchers created a method to restore used lithium batteries to nearly full capacity by removing a layer that forms on their electrodes. The process is chemical and doesn't require breaking down the entire battery.

Why it matters

This method could reduce the need for new raw materials in battery production and make recycling more efficient, helping the environment and lowering costs.

Why it belongs here

The innovation offers a practical solution to a growing environmental problem, showing how science can improve sustainability and resource use in a meaningful way.

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