Milan researchers develop a nonflammable gel membrane for fluoride batteries
The membrane moves fluoride ions at room temperature, and the battery’s theoretical energy density is about 600 Wh/kg.
Scientists made a gel that does not catch fire and helps a new kind of battery work at normal temperature. Batteries could last longer one day, but it is still lab work.
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Why it matters
Lighter, safer batteries could last longer one day, but the idea is still in the lab and no complete battery has been built yet.
Watch: a clever idea with a long road ahead.
The details
- The team is from the chemistry and materials department at Politecnico di Milano.
- The membrane is a quasi-solid, nonflammable gel that moves fluoride ions.
- It works at room temperature, while earlier fluoride batteries needed 100-150 °C.
- Theoretical energy density is about 600 Wh/kg, versus 150-250 in today’s lithium-ion batteries.
- The results appeared in Energy Storage Materials; no measurements of cycle life or runtime exist yet.
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