Helping fast-charging batteries retain more energy
Fast-charging batteries can lose unable energy right from their first charge.
Researchers from A*STAR IMRE and Nanyang Technological University, Singapore found that a protective layer on titanium dioxide anodes repeatedly broke down and reformed, consuming lithium each time. By modifying the anode surface through fluorination, the team helped this layer stabilise earlier. This raised its initial Coulombic efficiency from74% to over 90%, leaving more lithium available for energy storage.
The researchers are now exploring whether the same strategy could support safer, large-scale stationary energy storage.
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