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Industry

Electrode restoration tech emerges that recovers up to 95 percent of used lithium-ion battery capacity

A technology has been developed to restore the performance of electrodes from used lithium-ion batteries without dismantling or melting them. Researchers expect the method can recover up to 95 percent of battery capacity and more than halve manufacturing costs for refurbished batteries. The approach regenerates electrodes directly on their metal current collectors by removing the SEI layer using a DMI solvent and applying a recovery process. It was tested mainly on EV batteries with 70 to 80 percent state of health.

Industry

KITECH develops sulfide solid electrolyte material for all-solid-state batteries

The Korea Institute of Industrial Technology said on Tuesday it has developed a sulfide-based solid electrolyte material for all-solid-state batteries that improves both ionic conductivity and air stability. A research team led by senior researcher Kim Tae-hyo said the new material raised ionic conductivity 77-fold and reduced toxic hydrogen sulfide generation by 40 percent versus existing material. It also improved stability with lithium metal and boosted initial discharge capacity in a test cell.

Industry

Solus Advanced Materials secures zero-defect plated current collector for all-solid-state batteries

Solus Advanced Materials said on Monday it has completed development of a nickel-plated copper foil current collector, a key material for all-solid-state batteries, and has begun scaling up for mass production. The company aims to secure both technological and cost competitiveness for the all-solid-state battery market expected to commercialize around 2027. It said its plating technology achieves zero-defect coating even on ultrathin foil under 500 nanometers.