Patent number: 11637323
Abstract: 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<(1?y)?0.3, wherein an total content of M is 0.02?(1?y)?0.3.
Type:
Grant
Filed:
October 15, 2019
Date of Patent:
April 25, 2023
Assignees:
SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
Inventors:
Jihyun Jang, Myongchun Koh, Jinah Seo