Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Jae-gu Yoon

Jin-hwan Park

Jun-young Mun

Yoon-sok Kang

Myung-hoon Kim

Gue-sung Kim

Jun-ho Park

Byung-jin Choi

Min-sik Park

Jae-myung Lee

Kyu-sung Park

Seok-gwang Doo

Han-su Kim

Jun-Ho Park

Boris Aleksandrovich Trofimov

Sung-Soo Kim

Dong-min Im

Seung-sik Hwang

Sang-mock Lee

Young-Gyoon Ryu

Myung-dong Cho

Steven Kaye

David Keogh

Doo-yeon Lee

Jea-Woan Lee

Joon-Sup Kim

Chung-Kun Cho

Wei Tong

Joung-won Park

Yoshiaki Nitta

Nina K Gusarova

Sung-jin Ahn

Galina Myachina

Seung-Sik Hwang

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

An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt; a non-aqueous organic solvent; and a piperazine derivative represented by Formula 1 having an oxidation potential lower than an oxidation potential of the non-aqueous organic solvent by about 2 V to about 4 V: wherein, in Formula 1, X, Y, and Rto Rare defined in the specification.

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

A composite cathode active material including: a composite oxide capable of intercalation and deintercalation of lithium; a carbon nanostructure; and a material which is chemically inert to lithium.

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

A composite cathode active material, a method of preparing the composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes a core including a lithium intercalatable oxide which enables intercalation and deintercalation of lithium; and a coating layer disposed on at least a portion of the core, wherein the conductive layer includes a lithium metal oxide which is an inactive lithium ion conductor, and wherein the lithium metal oxide contains a metal which has an atomic weight of 27 Daltons or more and is selected an element of Groups 3 to 14 of the Periodic Table of the Elements.

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 positive active material including: a lithium-containing oxide, and a lithium-intercalatable phosphate compound disposed on the lithium-containing oxide.

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

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 includes a collector; and an anode active material layer disposed on the collector comprises an anode active material, which is lithium oxide coated LiTiO, a conductive material, and a binder, wherein the lithium oxide intercalates and/or deintercalates lithium ions into and from the lattice structure of LiTiO. By coating the surface of the anode active material with lithium oxide, an anode including the surface-treated anode active material has a high capacity, high-rate properties, and a high initial efficiency.

Surface treated anode active material and method of making the same, anode including the same, and lithium battery including the same

A cathode active material including a lithium metal oxide represented by Formula 1 below:Li[LiMeM']O&#x2003;&#x2003;Formula 1

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

A cathode active material includes a lithium metal phosphate represented by Formula 1; and one or more compounds selected from the group consisting of a metal oxynitride, a metal nitride, and a mixture thereof:LiMPO&#x2003;&#x2003;&#x3c;Formula 1&#x3e;

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

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Suwon-si, South Korea

Jae-gu Yoon