Samsung Sdi Co., Inc.

Jay-Hyok Song

Yoon-Chang Kim

Ji-Hyun Kim

Yong-Chan You

Young-Hun Lee

Ick-Kyu Choi

Yu-Mi Song

Do-Hyung Park

Soon-Rewl Lee

Young-Ki Kim

Young-ki Kim

Hyun-Deok Lee

Mi-Ran Song

Sun-Ho Kang

Seon-Young Kwon

Chang-Wook Kim

Gyeong-Jae Heo

Andrei Kapylou

Min-Ju Kim

Dong-Sik Zang

Jin-Hyoung Seo

Jun-Seok Park

Sun-Hwa Kwon

Ki-Hyun Kim

Sol Choi

Young-Kwan Kim

Evgeniya Matulevich

Yong-Chul Park

Min-Kyu Kim

Ji-hyun Kim

Sang-In Park

Ha-Young Lee

Byong-Yong Yu

Eun-Sung Lee

Han-Eol Park

Chang-wook Kim

Il-Seok Kim

Young-Hung Lee

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 positive active material includes a compound represented by Chemical Formula 1, and the positive electrode including a positive active material and a rechargeable lithium battery including the same are provided.LiMnNiMO&#x2003;&#x2003;[Chemical Formula 1] Definitions of Chemical Formula 1 are the same as in the detailed description.

Positive active materials for rechargeable lithium battery, positive electrode including same and rechargeable lithium battery

The present invention provides a positive active material including a lithium-containing compound represented by the following Chemical Formula 1 and a rechargeable lithium battery including the positive active material.LiFeMM'PO.&#x2003;&#x2003;Chemical Formula 1

Positive active material and rechargeable lithium battery including same

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

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

A positive active material including a lithium composite oxide and a transition metal oxide including a transition metal having an oxidation number smaller than an oxidation number when the transition metal is in the most stable state hinders generation of oxygen occurring during charging and provides a lithium battery with high-temperature preservation characteristics and high stability.

Positive active material and lithium battery including the same

Provided is a positive electrode for a rechargeable lithium battery including a positive active material including a lithium phosphate compound particle and fiber-type carbon attached inside the lithium phosphate compound particle, a method of preparing the same, and a rechargeable lithium battery including the same.

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

Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at 11.5&#xb1;2&#xb0;, 21&#xb1;2&#xb0;, 38&#xb1;2&#xb0;, and 64&#xb1;2&#xb0; 2-theta (2&#x3b8;) and represented by Formula 1: LiMoO, where 1&#x3c;x&#x2266;3. Also disclosed is a method of preparing the positive active material.

Positive active material for lithium secondary battery

Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a current collector, a first layer irreversibly deintercalating lithium ions, and a second layer allowing reversible intercalation and deintercalation of lithium ions. In one embodiment, the first layer further comprises a first sublayer and a second sublayer, in which the first sublayer is interposed between the current collector and the second sublayer. The first sublayer comprises a first active material represented by Formula 1 LiMoRO, and the second sublayer comprises a second active material represented by Formula 2 LiNiRO. In Formula 1, 0&#x2266;n&#x3c;1; and Ris selected from the group consisting of manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), magnesium (Mg), nickel (Ni), and combinations of at least two of the foregoing elements. In Formula 2, 0&#x2266;m&#x3c;1; and Ris selected from the group consisting of Mn, Fe, Co, Cu, Zn, Mg, molybdenum (Mo), and combinations of at least two of the foregoing elements.

Positive electrode and lithium battery including the same

A green phosphor including a compound represented by Formula 1 (YM) (AlM')O:Ceand a pigment. The green phosphor having the compound represented by Formula 1 and a pigment has a shorter decay time than conventional phosphors, and thereby confers excellent luminescence characteristics and color purity. A display panel including the green phosphor 1 is also provided herein.

Green phosphor and display device including the same

A blue phosphor, a display device including the same, and associated methods, the blue phosphor including BaMgAlO:Eu (BAM) phosphor particles having a surface component and an internal component, wherein an aluminum/barium (Al/Ba) molar ratio of the surface component of the phosphor particles is 1.1 to about 1.4 times the Al/Ba molar ratio of the internal component of the phosphor particles, and the Al/Ba molar ratios are continuously variable between the internal component and the surface component.

Blue phosphor, display device including the same, and associated methods

A phosphor composition including a first phosphor represented by Formula 1:BaMgAlO:Mn,Eu&#x2003;&#x2003;(1). In Formula 1, a and b satisfy the relations: 0.05&#x2266;a&#x2266;0.4, and 0.006&#x2266;b&#x3c;0.05.

Phosphor composition and display device including the same

A red phosphor includes yttrium (Y), gadolinium (Gd), an alkaline-earth metal element, and europium (Eu). A plasma display panel (PDP) includes the red phosphor.

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Yongin-si, South Korea

Jay-Hyok Song