Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Won-chang Choi

Gue-sung Kim

Young-min Choi

Min-sang Song

So-Yeon Kim

Ryoung-hee Kim

Jin-hwan Park

Kyu-sung Park

Dong-min Im

Mi-jeong Song

Seok-soo Lee

Min-sik Park

Yoon-sok Kang

Woon-jung Paek

A composite cathode active material including an overlithiated metal oxide having a layered structure, a material having an olivine structure, and one or more of: an inorganic material, and nitrogen atoms doped in the material having an olivine structure. The inorganic material includes a nitride or carbide of a non-transition metal. The composite cathode active material may be included in a cathode, and the cathode may be included in a lithium battery.

Composite cathode active material, and cathode and lithium battery including the material

An electrode active material, a method of manufacturing the same, and an electrode and a lithium battery adopting the same. The electrode active material includes a core capable of occluding and emitting lithium; and a surface treatment layer formed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure.

Electrode active material, preparation method thereof, and electrode and lithium battery containing the same

An electrode active material includes a core capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure, and an intensity of an X-ray diffraction peak corresponding to impurity phase of the lithium-free oxide, when measured using Cu&#x2014;K&#x3b1; radiation, is at a noise level of an X-ray diffraction spectrum or less.

A composite cathode active material, a cathode and a lithium battery including the composite cathode, and a method of preparing the composite cathode active material, the composite cathode active material including a compound with an olivine crystal structure; and an inorganic material, the inorganic material including a nitride or carbide of at least one element selected from the group of Group 2, Group 13, Group 14, and Group 15 of the periodic table of elements.

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

A composite cathode active material, a cathode and a lithium battery that include the composite cathode active material, and a method of preparing the composite cathode active material, the composite cathode active material including a compound having an olivine crystal structure; and an inorganic material, the inorganic material including at least one selected from the group of a metal carbonitride and a carbonitride.

Composite cathode active material, cathode and lithium battery that include the composite cathode active material, and method of preparing the composite cathode active material

A composite nitride, a method of preparing the composite nitride, an electrode active material including the composite nitride, an electrode including the electrode active material, and a lithium secondary battery including the electrode, the composite nitride including a core material including a bronze-phase titanium oxide; and a nitrogen atom doped on at least part of the core material.

Composite nitride, method of preparing the same, electrode active material including the composite nitride, electrode including the electrode active material, and lithium secondary battery including the electrode

An electrolyte for a lithium secondary battery, which includes a lithium salt, a nonaqueous organic solvent and at least one additive selected from the group consisting of vitamin G (vitamin B, riboflavin), vitamin B(niacinamide), vitamin B(adenine), vitamin B(pantothenic acid), vitamin H (vitamin B, biotin), vitamin M (vitamin B, folic acid), vitamin B(4-aminobenzoic acid), vitamin D(ergocalciferol), vitamin D(cholecalciferol), vitamin K(phylloquinone), ascorbyl palmitate, and sodium ascorbate.

Electrolyte for lithium secondary battery and lithium secondary battery including the same

A cathode active material, a cathode including the cathode active material, a lithium battery including the cathode, and a method of preparing the cathode active material, the cathode active material including a lithium-containing metal oxide and an organic material coated on the lithium-containing metal oxide, the organic material including an acrylate or methacrylate organic material including an alkyleneglycol unit.

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

A cathode active material including: a lithium metal oxide core represented by Formula 1 below; and an oxide coating layer formed on the lithium metal oxide core:Li[LiMeM]O.&#x2003;&#x2003;&#x3c;Formula 1&#x3e; In Formula 1: x+y+z=1 (0&#x3c;x&#x3c;0.33 and 0&#x3c;z&#x3c;0.1); 0&#x2266;d&#x2266;0.1; Me includes at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B; and M includes at least one metal selected from the group consisting of Mo, W, Ir, Ni, and Mg.

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

A cathode active material including a spinel lithium manganese composite oxide represented by Formula 1 below, a cathode including the cathode active material, and a lithium battery including the cathode:LiMnNiMOX&#x2003;&#x2003;&#x3c;Formula 1&#x3e;

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Yongin-si, South Korea

Won-chang Choi