As {TAIL ~ the carbonaceous material}, {HEAD ~ a powder} of e.g. activated carbon, polyacene or carbon black, which has a specific surface area of from 200 to 3500 m2/g, is preferred 
As
As { TAIL ~ the carbonaceous material } , { HEAD ~ a powder } of e.g. activated carbon , polyacene or carbon black , which has a specific surface area of from 200 to 3500 m2 / g , is preferred
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH