Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Chonnam National University

Jaegu Yoon

Donghan Kim

Kwangjin Park

Jinhwan Park

Junho Park

Younggyoon Ryu

Youngsoo Kim

Jaeman Choi

Sukgi Hong

Jaejun Chang

Byungjin Choi

Jeongkuk Shon

Yoonsok Kang

Sangmin Ji

Minsang Song

Donghee Yeon

Dongmin Im

Byongyong Yu

Sungjin Kim

Dongjin Ham

Dongwook Shin

Sungjin Ahn

Seungyeon Lee

Joungwon Park

Dongwook Han

Youhwan Son

Minsuk Lee

Guesung Kim

Myunghoon Kim

San Moon

JunHo Park

Yongnam Ham

Eungyeong Lee

Bokkyu Choi

Hongjeong Kim

Kyusung Park

Joowook Lee

Jaekook Kim

Jihyeon Gim

An electrode structure, a bipolar all-solid secondary battery including the same, and a method of manufacturing the electrode structure are provided. The electrode structure includes: a current collector having a first surface and a second surface, wherein the first surface includes a first portion, a second portion, and an intermediate portion between the first portion and the second portion, the first portion and the second portion are arranged toward the outside in opposite directions to each other around the intermediate portion, and the second surface has an inward-folded structure; a cathode active material layer formed on the first portion of the first surface; an anode active material layer formed on the second portion of the first surface; and a compression pad arranged inside the inward-folded structure of the current collector.

Electrode structure, bipolar all-solid secondary battery including the same, and method of manufacturing electrode structure

A cathode includes: a cathode active material comprising a lithium transition metal oxide; a conductive material; and a binder, wherein the lithium transition metal oxide includes nickel and a transition metal other than nickel, wherein the lithium transition metal oxide has a layered crystal structure, wherein a content of the nickel is 30 mole percent or greater, based on a total number of moles of transition metals of the lithium transition metal oxide, wherein the conductive material comprises a linear carbon conductive material, wherein the binder includes a first binder, wherein the first binder including fluorine and a polar functional group, and a second binder, which does not include fluorine, and wherein an amount of the linear carbon conductive material is 0.1 weight percent or greater, based on a total combined weight of the cathode active material, the conductive material, and the binder.

Cathode and lithium battery including the same

A composite cathode active material for a lithium battery including: a lithium composite oxide; and a coating layer including a metal oxide and a lithium fluoride, (LiF) wherein the coating layer is disposed on at least a portion of a surface of the lithium composite oxide.

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

A includes a cathode active material including a lithium transition metal oxide, wherein the lithium transition metal oxide includes nickel and a non-nickel transition metal, and an amount of the nickel in the lithium transition metal oxide is about 50 mole percent or greater with respect to a total number of moles of transition metals in the lithium transition metal oxide, a conducting agent including a linear carbonaceous conducting agent, and a binder, wherein the binder includes a first fluorinated binder not including a polar functional group, a second fluorinated binder including a polar functional group, a first non-fluorinated binder including a cyano group, and a second non-fluorinated binder including a cyanoalkyl group.

Cathode and lithium battery including cathode

A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.

Cathode active material, secondary battery comprising the same, and method of manufacturing the positive active material

A cathode active material including a layered lithium transition metal oxide, wherein the layered lithium transition metal oxide includes a metal cation having an oxidation number of +4, and wherein the metal cation is disposed in an octahedral site of a lattice of the layered lithium transition metal oxide.

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

A cathode active material includes a core capable of intercalating and deintercalating lithium ions; and a coating layer on at least a portion of the core, wherein the coating layer includes a composite including a metal oxide compound and a phosphate compound, the metal oxide compound is at least one compound selected from a lithium metal oxide and a metal oxide, the phosphate compound is at least one compound selected from a lithium phosphate, a lithium metal phosphate, and a metal phosphate, and a weight ratio of the metal oxide compound to the phosphate compound is from greater than 0 to about 1.

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

A composite positive electrode active material, the positive electrode active material including: a first metal oxide having a layered structure; and a second metal oxide having a spinel structure, wherein second metal oxide is represented by Formula 1, and wherein the first metal oxide and the second metal oxide form a composite:LiMMnO&#x2003;&#x2003;Formula 1wherein, in Formula 1, &#x2212;1&#x3c;a&#x3c;1; and Mis at least one element selected from Groups 4 to 10, 13, and 14 of the Periodic Table, and wherein Mis not Mn. Also a positive electrode including the composite positive electrode active material, and a lithium battery including the positive electrode.

Composite positive electrode active material positive electrode including the same, and lithium battery including the positive electrode

A cathode active material including a lithium transition metal oxide of Chemical Formula 1:LiMeMMnO&#x2003;&#x2003;Chemical Formula 1wherein 0&#x2266;x&#x2266;0.2, 0&#x2266;y&#x2266;0.2, 0&#x3c;x+y&#x2266;0.4, and 0&#x2266;&#x3b4;&#x3c;1, and Me and M are each independently one or more metals selected from magnesium (Mg), calcium (Ca), strontium (Sr), titanium (Ti), zirconium (Zr), hafnium (Hf), vanadium (V), niobium (Nb), tantalum (Ta), tungsten (W), technetium (Tc), rhenium (Re), ruthenium (Ru), osmium (Os), cobalt (Co), rhodium (Rh), iridium (Ir), nickel (Ni), palladium (Pd), platinum (Pt), copper (Cu), aluminum (Al), gallium (Ga), indium (In), silicon (Si), germanium (Ge), tin (Sn), and a rare earth element.

Provided is a cathode active material including a lithium metal oxide of Formula 1 below:Li[LiMeM]O&#x2003;&#x2003;&#x3c;Formula 1&#x3e; wherein x+y+z=1; 0&#x3c;x&#x3c;0.33; 0&#x3c;z&#x3c;0.1; 0&#x2266;d&#x2266;0.1; Me is 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 is at least one metal selected from the group consisting of Mo, W, Ir, Ni, and Mg.

Cathode active material, and cathode and lithium including the same

A lithium-transition metal complex compound has an norder hierarchical structure in which n type structures represented by at least one unit of aorder units in a range of 1&#xd7;10&#x2212;(a+5) m to 10&#xd7;10&#x2212;(a+5) m exist in a complex form, wherein n is a natural number that is 2 or greater, and a is a natural number in a range of 1 to 5. The lithium-transition metal complex may be prepared by heat-treating a mixture including a lithium source, a transition metal source, and solvent in contact with a natural material having a hierarchical structure. A lithium battery includes an electrode including the lithium-transition metal complex compound having the norder hierarchical structure. The lithium battery can have improved rapid charging characteristics, high power characteristics, and cycle characteristics.

Lithium-transition metal complex compounds having Nth order hierarchical structure, method of preparing the same and lithium battery comprising an electrode comprising the same

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Suwon-si, South Korea

Jaegu Yoon