CPC H01M 4/1315 (2013.01) [C01G 45/006 (2013.01); C01G 51/006 (2013.01); C01G 53/006 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); C01P 2002/54 (2013.01); C01P 2002/76 (2013.01); C01P 2006/40 (2013.01); H01M 4/485 (2013.01); H01M 2004/028 (2013.01); H01M 2220/30 (2013.01); H01M 2300/004 (2013.01); H01M 2300/0034 (2013.01)] | 14 Claims |
1. A battery comprising:
a positive electrode including a positive electrode active material;
a negative electrode; and
an electrolytic solution including a nonaqueous solvent, wherein
the positive electrode active material includes a compound having a crystal structure belonging to a space group FM-3M and represented by Compositional Formula (1):
LixMeyOαFβ (1)
where Me is at least one element selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr; and
subscripts x, y, α, and β satisfy the following requirements:
1.7≤x≤2.2,
0.8≤y≤1.3,
1≤α≤2.5,
0.5≤β≤2, and
x+y=α+β=3, and
the nonaqueous solvent includes a solvent having at least one fluoro group.
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