The positive electrode 1, wherein {HEAD ~ the LixNi0.8Co0.2O2} is present in {TAIL ~ the positive electrode} at a concentration of between about 30 and 50 weight percent and the LixMn2O4 is present in the positive electrode at a concentration of between about 70 and 50 weight percent 
is present in
The positive electrode 1 , wherein { HEAD ~ the LixNi0.8Co0.2O2 } is present in { TAIL ~ the positive electrode } at a concentration of between about 30 and 50 weight percent and the LixMn2O4 is present in the positive electrode at a concentration of between about 70 and 50 weight percent
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH