Lithium battery

• Main Authors: Seo, Jinah, Koh, Myongchun, Kim, Dongyoung, Park, Insun, Chung, Yeonji
• Format: Patent
• Language: English
• Published: 13.12.2022
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; BASIC ELECTRIC ELEMENTS; CHEMISTRY; ELECTRICITY; METALLURGY; ORGANIC CHEMISTRY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A lithium battery including: a cathode; an anode; and an electrolyte between the cathode and the anode, wherein the cathode includes a cathode active material represented by Formula 1,LixNiyM1−yO2-zAz  Formula 1wherein 0.95≤x≤1.2, 0.75≤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, andA is an element having an oxidation number of −1, −2, or −3,wherein each element of M is independently present in an amount of 0.02≤y≤0.3,wherein a total content of M is 0.02≤y≤0.3;andwherein the electrolyte includes a lithium salt, a non-aqueous solvent, and a diallyl compound represented by Formula 2,wherein L1 and L2 are each independently a single bond, a C1-C20 alkylene group, or a substituted or unsubstituted C2-C20 alkenylene group.