{HEAD ~ The concentration} of the isocynate additives in the electrolyte solutions may be from {TAIL ~ 1 to 20 weight percent} 
from
{ HEAD ~ The concentration } of the isocynate additives in the electrolyte solutions may be from { TAIL ~ 1 to 20 weight percent }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL