Umicore

Umicore Korea, Ltd.

Jeong-Rae Kim

Xin Xia

Jing Zhang

Jean-Sébastien Bridel

Gyeong-Ok Kim

Hyuncheol Lee

Lawrence Alan Hough

Moon-Hyung Choi

Ji-Hye Won

Mi-Soon Oh

Jong-Ju Lee

Hae-Young Kim

Sul-Hee Min

A rechargeable lithium ion battery comprising a positive electrode, a negative electrode and an electrolyte, the positive electrode comprising a lithium nickel manganese cobalt oxide-based powder with particles comprising a core and a surface layer, the core having a layered crystal structure comprising the elements Li, M and oxygen, wherein M has the formula M=(Ni(NiMn)Co)A, with 0.13&#x2264;x&#x2264;0.30, 0.20&#x2264;z&#x2264;0.55, x+y+z=1 and 0&#x3c;k&#x2264;0.1, wherein A is at least one dopant and comprises Al, the lithium nickel manganese cobalt oxide-based powder having a molar ratio 0.95&#x2264;Li:M&#x2264;0.10, wherein the surface layer consists of a mixture of elements of the core Li, M and O, and alumina, and wherein the electrolyte comprises the additive lithium difluorophosphate.

Lithium ion battery for automotive application

Growing community of inventors

Cheonan, South Korea

Jeong-Rae Kim