SMRTR Science & EngineeringFeb 23, 2026Hacker News

A lithium-ion breakthrough that could boost range and lower costs

SMRTR summary

Columbia University researchers developed a new gel electrolyte that prevents dangerous dendrite formation in anode-free lithium-ion batteries, which could significantly boost EV range and reduce costs. The breakthrough addresses major safety and longevity issues by creating a protective layer that retained over 80% capacity in testing while improving thermal stability.

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