{HEAD ~ 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 {TAIL ~ the LixMn2O4} is present in the positive electrode at a concentration of between about 70 and 50 weight percent 
wherein
{ HEAD ~ 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 { TAIL ~ the LixMn2O4 } is present in the positive electrode at a concentration of between about 70 and 50 weight percent
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH