Patent ID: 11876215
Assignee: SK ON CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 3:
4. The secondary battery of claim 1, wherein the anode active material includes artificial graphite as a first active material, and one or more selected from natural graphite, soft carbon, hard carbon, Si, Sn, Al, Ge, Pb, Ed, an Sb—Si—Z alloy, an Sn—Z alloy, a lithium titan oxide, a vanadium oxide and a lithium vanadium oxide, as a second anode active material,
wherein the first anode active material is included in an amount of 50 wt % or more,
where Z is any one selected from Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Pb, Cr, Mo, W, Sg, Tc, Re, Ph, Fe, Pb, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, Sn, In, Ti, Ge, P, As, Sb, Hi, S, Se, Te and Po.