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