Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Industry-university Cooperation Foundation Hanyang University

Myung-hoon Kim

Jin-hwan Park

Jae-gu Yoon

Byung-jin Choi

Jun-young Mun

Yoon-sok Kang

Seung-sik Hwang

Gue-sung Kim

Jae-man Choi

Moon-seok Kwon

Min-sang Song

Jae-myung Lee

Jeong-kuk Shon

Jun-ho Park

Min-sik Park

Han-su Kim

Jun-Ho Park

Steven Kaye

David Keogh

Ji-man Kim

Kyu-sung Park

Wei Tong

Un-gyu Paik

Sung-jin Ahn

Gwi-ok Park

Tae-seup Song

A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.

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

A cathode and a battery including a cathode active material including a layer-structured material having a composition of xLiMO-(1-x)LiMeO; and a metal oxide having a perovskite structure. The cathode active material may have improved structural stability by intermixing a metal oxide having a similar crystalline structure with the layer-structured material, and thus, life and capacity characteristics of a cathode and a lithium battery including the metal oxide may be improved.

Cathode and lithium battery using the same

A cathode active material including a lithium metal oxide composite having a first domain and a second domain and represented by Formula 1:[Li(M1)(M2)O]-(1&#x2212;)[LiMeO]&#x2003;&#x2003;Formula 1wherein

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

A composite cathode active material including a lithium metal oxide including an oxide Formula 1 and sulfur,LiMnO.(1)LiMOLiMnO&#x2003;&#x2003;(1)wherein 0&#x3c;x&#x3c;0.6, 0&#x3c;y&#x3c;0.1, and M is at least one selected from a metal and a metalloid.

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

An electrode active material, an electrode including the electrode active material, a lithium battery including the electrode, and a method of preparing the electrode active material. The electrode active material includes a core having at least one of a metal or a metal oxide that enables intercalation and deintercalation of lithium ions and a crystalline carbon thin film that is formed on at least a portion of a surface of the core. The electrode active material has a nano-structure.

Electrode active material, electrode comprising the same, lithium battery comprising the electrode, and method of preparing the electrode active material

An electrolyte composition including a macro azo initiator containing a polyethylene oxide repeating unit, and a multi-functional urethane acrylate-based monomer, a gel polymer electrolyte including the electrolyte composition, and a lithium battery including the gel polymer electrolyte.

Electrolyte composition, gel polymer electrolyte, and lithium battery including the gel polymer electrolyte

A flexible battery a first electrode layer, a first current collector layer disposed on the first electrode layer, where a plurality of through-holes is defined in the first current collector layer, a separator disposed on the first current collector layer, a second current collector layer disposed on the separator, where a plurality of through-holes is defined in the second current collector layer, and a second electrode layer disposed on the second current collector layer.

Flexible secondary battery

A cathode active material including a lithium metal oxide represented by Formula 1:Li[LiMeM']O&#x2003;&#x2003;Formula 1wherein x+y+z=1, 0&#x3c;x&#x3c;0.33, 0&#x3c;z&#x2266;0.1, and 0&#x2266;d&#x2266;0.1, Me is at least one metal selected from Mn, V, Cr, Fe, Co, Ni, Al, and B, and M&#x2032; is at least one metal selected from Sc, Y, and La.

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

An anode active material, an anode including the anode active material, a lithium battery including the anode, and a method of preparing the anode active material. The anode active material includes: a multilayer metal nanotube including: an inner layer; and an outer layer on the inner layer, wherein the inner layer includes a first metal having an atomic number equal to 13 or higher, and the outer layer includes a second metal different from the first metal.

Anode active material including a multilayer metal nanotube, anode including the anode active material, lithium battery including the anode, and method of preparing the anode active material

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Seoul, South Korea

Myung-hoon Kim