| 摘要 |
A non-aqueous lithium ion secondary battery is composed of a positive electrode layer, a negative electrode layer, and a non-aqueous electrolyte. The positive electrode layer contains positive electrode active material of the following formula:wherein M is Mg, Ca, Ba, Ti, V, Cr, Mn, Fe, Co, Cu, Zn, Nb, Mo, Ag, Ta, W, B, Al, Ga, In, C, Si, Ge, Sn, or Pb; X is a halogen atom; 0.2<x<=1.2, 0<y<=0.5, z<y, 0<z<0.5, 0<=a<=1.0 and 0<=b<=2a; and at least one of positive and negative electrode layers contains rubber binder.
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