{HEAD ~ The core portion} of {TAIL ~ the active material} is made of a spinel manganese containing material substituted with fluorine or sulfur, having 4V grade potential and showing low cost and high output characteristics, and the shell portion, which comes into contact with an electrolyte, is made of a spinel transition metal containing material, having excellent thermal stability and cycle life characteristics and showing low reactivity with the electrolyte 
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{ HEAD ~ The core portion } of { TAIL ~ the active material } is made of a spinel manganese containing material substituted with fluorine or sulfur , having 4V grade potential and showing low cost and high output characteristics , and the shell portion , which comes into contact with an electrolyte , is made of a spinel transition metal containing material , having excellent thermal stability and cycle life characteristics and showing low reactivity with the electrolyte
HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 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