Lithium battery
    7.
    发明授权

    公开(公告)号:US11637323B2

    公开(公告)日:2023-04-25

    申请号:US16601744

    申请日:2019-10-15

    摘要: A lithium battery including: a cathode; an anode; and an electrolyte between the cathode and the anode, wherein the electrolyte includes a lithium salt and a non-aqueous solvent including ethylene carbonate (EC), an amount of the EC per 100 parts by volume of the non-aqueous solvent is about 5 parts by volume to about 15 parts by volume, and wherein the cathode includes a cathode active material represented by Formula 1, LixNiyM1-yO2-zAz  Formula 1 wherein, in Formula 1, 0.9≤x≤1.2, 0.7≤y≤0.98, and 0≤z≤0.2, M is Al, Mg, Mn, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Bi, or a combination thereof, and A is an element having an oxidation number of −1 or −2, wherein each element of M is independently present in an amount of 0

    DISULFONATE-BASED ADDITIVE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

    公开(公告)号:US20190058218A1

    公开(公告)日:2019-02-21

    申请号:US16049963

    申请日:2018-07-31

    摘要: An electrolyte includes: a lithium salt; a non-aqueous solvent; and a disulfonate compound represented by Formula 1: wherein, in Formula 1, R1 and R2 are each independently a fluorine, a cyano group, a nitro group, or a methyl group substituted with at least one fluorine, R11 to R14 are each independently a hydrogen, a deuterium, a fluorine, a hydroxyl group, a cyano group, a nitro group, a substituted or unsubstituted C1-C10 alkyl group, a substituted or unsubstituted C2-C10 alkenyl group, or a substituted or unsubstituted C2-C10 alkynyl group, a1 and a2 are each independently an integer of 1 to 5, a11 and a12 are each independently an integer of 0 to 4, and a sum of a1 and a11 is 5, and a sum of a2 and a12 is 5.