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