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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.