COMPOSITE, METHOD FOR PRODUCING COMPOSITE, POSITIVE ELECTRODE MIXED MATERIAL, POSITIVE ELECTRODE FOR LITHIUM ION BATTERY, LITHIUM ION BATTERY, ACTIVATED CARBON FOR SOLID-STATE LITHIUM ION BATTERY, USE OF ACTIVATED CARBON, AND METHOD FOR PRODUCING SOLID-STATE LITHIUM ION BATTERY

摘要

This composite comprises activated carbon and at least one of elemental sulfur or discharge product of elemental sulfur. The activated carbon has a peak area percentage of oxygen functional groups of 15% or less in the C1s spectrum as obtained by X-ray photoelectron spectroscopy.