Samsung Sdi Co., Inc.

Jae-Hyun Shim

Ki-Soo Lee

Se-Hee Lee

Hyeon-Ah Ju

Jae-Han Lee

Joo-Han Song

Eun-Cheol Lee

Jae-Myung Kim

Yun-Hee Lee

Ki-Jun Kim

Sang-hun Lee

Jun-Kyu Cha

Su-Bin Song

Sung Soo Park

Ho Kyung Kim

Yoon-Hee Lee

A positive active material for a rechargeable lithium battery includes a first oxide particle having a layered structure and a second oxide layer located in a surface of the first oxide particle and including a second oxide represented by the following Chemical Formula 1: MLO, wherein in Chemical Formula 1, 0&#x3c;a&#x2264;3, 1&#x2264;b&#x2264;2, 3.8&#x2264;c&#x2264;4.2, M is at least one element selected from the group of Mg, Al, Ga, and combinations thereof, and L is at least one element selected from of group Ti, Zr, and combinations thereof.

Method of manufacturing positive active material for rechargeable lithium battery

Positive active material for rechargeable lithium battery, method of manufacturing the same, and rechargeable lithium battery including the same

A positive active material for a rechargeable lithium battery includes a LiCoOparticle. An interior of the particle has a layered structure and a surface of the particle has a spinel structure.

Positive active material for rechargeable lithium battery, method of preparing same and rechargeable lithium battery including same

A positive active material for a rechargeable lithium battery includes a lithium intercalation compound; and lithium titanium oxide represented by Chemical Formula 1 on the surface of the lithium intercalation compound surface.LiMTiO.&#x2003;&#x2003;Chemical Formula 1In the Chemical Formula 1,

Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same

Disclosed are a negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a composite particle including a silicon particle and a carbon coating layer coated on the surface of the silicon particle and a porous space formed by the entangled carbon nanofibers, the composite particle contacting the external surface of the carbon nanofibers in the porous space of the carbon nanofiber structure, and the carbon nanofibers have a larger diameter than that of the composite particle and a diameter ranging from about 100 nm to about 2000 nm.

Negative active material for rechargeable lithium battery, method for preparing same, and rechargeable lithium battery including same

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Yongin-si, South Korea

Jae-Hyun Shim