Umicore

Umicore Korea, Ltd.

Gyeong-Ok Kim

Jens M Paulsen

Xin Xia

Jing Zhang

Liang Zhu

Shinichi Kumakura

Jeong-Rae Kim

A positive electrode composition for a rechargeable battery, the composition comprising a first and a second powderous lithium metal oxide, the first lithium metal oxide comprising either one or more of Ni, Mn and Co, the second lithium metal oxide powder having either:

Positive electrode for lithium ion battery

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

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Ulsan, South Korea

Gyeong-Ok Kim