Samsung Sdi Co., Inc.

Young-Hoon Do

Suk-Chul Jung

Myung-Hun Bae

Heung-Min Oh

Hak-Seok Kang

Young-Chul You

Tae-Jin Jung

Firing containers for firing an electrode active material include one or more through openings, and protrusions protruding from an outer surface of sidewalls of each of the firing containers. The protrusions allow adjacent firing containers to be spaced apart from each other and guide the adjacent firing containers during alignment.

Firing containers

A composite metal precursor including a composite metal hydroxide represented by Formula 1 below, wherein an amount of magnesium (Mg) in the composite metal hydroxide is less than or equal to 0.005 wt %, an electrode active material formed from the same, a positive electrode including the same, and a lithium secondary battery employing the same:(ABC)(OH)&#x2003;&#x2003;[Formula 1]wherein in Formula 1, x, y, A, B, and C are as described in the detailed description.

Composite metal precursor, electrode active material prepared from the same, positive electrode including the same, and lithium secondary battery employing the same

A positive active material for a rechargeable lithium battery including a lithium-nickel cobalt manganese composite metal oxide; and 0.18 to 0.25 wt % of sulfur is provided.

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Yongin-si, South Korea

Young-Hoon Do