Samsung Sdi Co., Inc.

Sun-Ho Kang

Yong-Chan You

Jay-Hyok Song

Chang-Wook Kim

Andrei Kapylou

Joong-Ho Moon

Do-Hyung Park

Min-Han Kim

Yu-Mi Song

Ming-Zi Hong

Han-Eol Park

Kyoung-Hyun Kim

Jun-Seok Park

Dong-Jin Kim

Jeong-Hoon Kim

Byong-Yong Yu

Jeon-Jin Choi

Gyu-Ran Jeon

Evgeniya Matulevich

Ki-Hyun Kim

Sang-Hoon Kim

Seon-Young Kwon

Dongjin Kim

Sol Choi

Dohyung Park

Ju-Hyeong Han

Minhan Kim

Haneol Park

KyoungHyun Kim

Jeonjin Choi

Gyuran Jeon

Chang-wook Kim

In an aspect, a positive active material for a rechargeable lithium battery including overlithiated layered oxide (OLO), a method of preparing the same, and a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same is disclosed.

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

A composite cathode active material includes: a core including a material capable of intercalation and deintercalation of lithium; and a first coating layer on at least one portion of the core, where the first coating layer includes zirconium oxide. A lithium battery includes a cathode including the composite cathode active material. Methods of preparing the composite cathode active material are also disclosed.

Composite cathode active material, lithium battery including the same, and method of preparing the same

A positive active material represented by Formula 1 and a lithium secondary battery having a positive electrode that includes the positive active material are provided:LiANiCoMnO&#x2003;&#x2003;Formula 1

Positive active material and lithium secondary battery including positive electrode that includes the positive active material

A composite cathode active material including a core comprising a lithium compound, and a coating layer formed on at least one portion of the core and including at least two oxide phases having different structures, a cathode and a lithium battery including the same, and a method of preparing the composite cathode active material.

Composite cathode active material, cathode and lithium battery comprising the same, and preparation method thereof

A positive active material, a method of preparing the same, and a lithium battery including the positive active material, the positive active material including a core, the core including an overlithiated lithium transition metal oxide; and a coating layer on the core, the coating layer including LiVO.

Positive active material, method of preparing the same, positive electrode, and lithium battery

Provided are a method of manufacturing a composite positive active material, a composite positive active material manufactured by the method, and a positive electrode and a lithium battery including the composite positive active material. The method may include acid-treating an overlithiated lithium transition metal oxide; and applying fluorine onto the acid-treated overlithiated lithium transition metal oxide using a fluorine compound.

Method of manufacturing composite positive active material, composite positive active material manufactured thereby, and positive electrode and lithium battery including the composite positive active material

A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLiM&#x2033;MO-(1-x)LiM'O, [Formula 3] xLiM&#x2033;MO-x&#x2032;LiM&#x2032;O-x&#x2033;LiM&#x2032;&#x2033;O, x+x&#x2032;+x&#x2033;=1, 0&#x3c;x&#x3c;1, 0&#x3c;x&#x2032;&#x3c;1, 0&#x3c;x&#x2033;&#x3c;1, 0&#x3c;y&#x2266;1, and 0&#x2266;d&#x2266;0.33, is disclosed. A positive electrode and a lithium battery containing the composite positive active material, and a method of preparing the composite positive active material are also disclosed.

Composite positive active material, method of preparing the same, and positive electrode and lithium battery containing the material

A rechargeable battery includes: a case; a first electrode assembly accommodated in the case; and second and third electrode assemblies accommodated in the case at positions adjacent to the case with the first electrode assembly being disposed therebetween. The second and third electrode assemblies have thicknesses different from that of the first electrode assembly.

Rechargeable battery

An active material for a lithium secondary battery, a method of manufacturing the same, an electrode including the active material, and a lithium secondary battery including the electrode, the active material including a lithium composite oxide represented by the following Formula 1:Li[LiNiCoMn]OF.&#x2003;&#x2003;[Formula 1]

Active material for a lithium secondary battery, method of manufacturing the same, electrode including the active material, and lithium secondary battery including the electrode

Growing community of inventors

Yongin-si, South Korea

Sun-Ho Kang