Slime-like electrolyte promises safe, recyclable batteries

Slime-like Electrolyte Promises Safe, Recyclable Batteries

A new water-based electrolyte with the texture of kids' play slime has been developed, promising to make batteries safer.

Lithium-ion batteries can catch fire due to the use of liquid electrolytes made of flammable organic solvents. However, this new quasi-solid electrolyte dissolves in water, allowing for easy recycling of valuable metals from batteries.

Because it dissolves in water, the quasi-solid electrolyte also allows for easy recycling of valuable metals from batteries.

The material is easy to make from lithium salts and water at ambient conditions using mechanochemistry, as reported by Shintaro Yasui of the Institute of Science Tokyo at the Materials Science and Technology conference.

Author's summary: New slime-like electrolyte makes batteries safer and recyclable.

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C&EN C&EN — 2025-10-17

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