MANUFACTURING METHOD OF MODIFIED LITHIUM SULFIDE POWDER AND MODIFIED LITHIUM SULFIDE POWDER

摘要

To provide a manufacturing method of a modified lithium sulfide powder having high specific surface area and high purity, and a modified lithium sulfide powder.SOLUTION: Disclosed herein are: a manufacturing method of a modified lithium sulfide powder including steps of bringing a lithium sulfide powder into contact with a solvent containing an alcohol, removing the solvent containing the alcohol to obtain a solvent removal powder, and bringing the solvent-removed powder into contact with hydrogen sulfide; and a modified lithium sulfide powder not containing a solvent other than an alcohol, having a specific surface area of 10 m/g or over, and a lithium sulfide content of 97.5% or over.SELECTED DRAWING: None