Samsung Electronics Co., Ltd.

Waseda University

Wonsung Choi

Kyounghwan Choi

Taeyoung Kim

Dongmin Im

Hyunjin Kim

Heungchan Lee

Hyunpyo Lee

Dongjoon Lee

Mokwon Kim

Sangbok Ma

Gabin Yoon

Jusik Kim

Hyukjae Kwon

Myungjin Lee

Kihyun Kim

Victor Roev

Jungock Park

Toshinori Sugimoto

Minsik Park

Soonchul Kwon

Hiroyuki Nishide

Huisu Jeong

Hyunchul Lee

Kenichi Oyaizu

Yooseong Yang

Tomoyuki Tsujimura

Joonseon Jeong

Shintaro Kitajima

Youngeal Kim

Daiki Minami

Seokgwang Doo

Sungcheol Kim

Seongheon Kim

A metal-air battery including a positive electrode layer that includes a lithium-ion conductive solid electrolyte membrane and a porous electroconductive metal oxide represented by Formula 1, wherein the electroconductive metal oxide has a specific surface area of about 0.01 m/g to about 1000 m/g,LRuO  Formula 1wherein, in Formula 1,

Positive electrode having excellent alkali resistance, method of manufacturing the same, and metal-air battery and electrochemical device including the positive electrode

A solid ion conductor compound represented by Formula 1:LiM1M2ClBr  Formula 1wherein M1 is an alkali metal, an alkaline earth metal, a transition metal, or a combination thereof, M2 is a lanthanide element, or a combination thereof, 0<x<3.5, 0≤a<1.5, 0<b<1.5, 0<y<6, 0<z<6, and 0.166<y/z≤5.

Solid ion conductor compound, solid electrolyte comprising the same, electrochemical cell comprising the same, and method of preparing the same

A solid ion conductor, a solid electrolyte and an electrochemical device each including the same, and a method of preparing the solid ion conductor are disclosed. The solid ion conductor may include a compound represented by Formula 1:LiMInX  Formula 1 In Formula 1, M is at least one of a metal having an oxidation state of +1, or a metal having an oxidation state of +3, X is at least one halogen, 2.5<a<3.5, 0<b<0.5, 0.5<c<1.5, and 5<d<7.

Solid ion conductor, solid electrolyte and electrochemical device including the same, and method of preparing the solid ion conductor

A conductive array, a composite membrane including the conductive array, a lithium battery, and a method of manufacturing the conductive array. The conductive array includes a plurality of ion conductive inorganic particles spaced apart from each other, wherein the circumferences (x) and the width (y) of a top surface of an ion conductive inorganic particle of the plurality of ion conductive inorganic particles in plan view satisfy Inequality (1),≥3.2, and  Inequality (1)a distance between a first ion conductive inorganic particle of the plurality of ion conductive inorganic particles and an adjacent second ion conductive inorganic particle in a plan view is 0% to about 20% of the width of the surface of the ion conductive inorganic particle.

Conductive array, composite membrane including the conductive array, lithium battery including the composite membrane, and method of manufacturing the conductive array

A solid ion conductor compound including Li, Ho, and a halogen element, wherein the compound has diffraction peaks at 30°2θ to 33°2θ, 33°2θ to 36°2θ, 40°2θ to 44°2θ, and 48°2θ to 52°28θ, when analyzed using CuKα radiation, and wherein a full width at half maximum of at least one peak at 40°2θ to 44°2θ is 0.3°2θ or greater.

Solid ion conductor compound, solid electrolyte including the same, electrochemical cell including the same, and preparation method thereof

A composite solid electrolyte includes: a solid electrolyte; and a protective layer on a surface of the solid electrolyte, wherein the protective layer comprises a compound of Formula 1LiM1M2O  Formula 1wherein in Formula 1,

Composite solid electrolyte, electrochemical cell including the same, and method of preparing the composite solid electrolyte

A solid ion conductor comprising a compound represented by Formula 1 having an orthorhombic crystal structure, and belonging to a Pnma space group or a Pnma-like space group:LiALuClX  Formula 1

Solid ion conductor, solid electrolyte and electrochemical device including the same, and method of preparing solid ion conductor

A cathode for a metal-air battery, the cathode including a mixed conductor; and first pores having a size of about 1 micrometer (μm) or greater, wherein an amount of the first pores is about 30 volume percent (volume %) or greater, with respect to a total volume of pores in the cathode, and a total porosity of the cathode is about 50% or greater, based on a total volume of the cathode.

Cathode for metal-air battery, preparing method thereof, and metal-air battery comprising the same

A solid ion conductor, a solid electrolyte and electrochemical device including the same, and a method of preparing the solid ion conductor are disclosed. The solid ion conductor includes a compound represented by Formula 1:LiMM′XO  Formula 1

Solid ion conductor, solid electrolyte and electrochemical cell comprising the same, and method of preparing the solid ion conductor

A solid ion conductor, a solid electrolyte and an electrochemical device including the solid ion conductor, and a method of preparing the solid ion conductor are disclosed. The solid ion conductor may include a compound represented by Formula 1:LiMM'ZrX&#x2003;&#x2003;Formula 1

Solid ion conductor, solid electrolyte including the solid ion conductor, electrochemical device including the solid electrolyte, and method of preparing the solid ion conductor

A cathode includes: a mixed conductive layer, wherein the mixed conductive layer includes a core-shell structured particle having a core portion including a solid electrolyte and a shell portion including an electronic conductor, wherein the cathode is configured to use oxygen as a cathode active material.

Cathode, lithium-air battery including the cathode, and method of manufacturing the lithium-air battery

A metal-air battery includes an anode layer including a metal, a cathode layer including an electrically conductive metal oxide, a solid electrolyte layer between the anode layer and the cathode layer, and a bonding layer including a metal, where the bonding layer is disposed between the cathode layer and the solid electrolyte layer.

Metal-air battery and method of manufacturing the metal-air battery

A cathode configured to use oxygen as a cathode active material, the cathode including: a porous film, wherein the porous film includes a metal oxide, and wherein a surface of the porous film has root mean square (RMS) roughness (Rq) of about 0.01 micrometer to about 1 micrometer, and a porosity of the porous film is about 50 volume percent to about 99 volume percent, based on a total volume of the porous film.

Cathode, lithium-air battery comprising the same, and method of preparing the cathode

A polymer includes a repeating unit represented by at least one of Formula 1a or Formula 1b:  wherein, in Formulae 1a or 1b, CYis a group represented by at least one of Formula 1-2 or Formula 1-4, CYis a group represented by Formula 1-3, and L, L, a1, and a2 are defined the same as in the specification, and  in Formulae 1-2, Formula 1-3, or 1-4, X, Y, R, R, Rto R, b1, b2, R, R, b21, b22, Z, Z, c1, and c2 are defined the same as in the specification.

Polymer, composite positive active material including the same, and lithium secondary battery including electrode including the positive active material

A composite membrane includes an ion-conductive polymer layer; and a plurality of gas blocking inorganic particles non-continuously aligned on the ion-conductive polymer layer, wherein the composite membrane has a radius of curvature of about 10 millimeters or less.

Composite membrane including ion-conductive polymer layer and gas blocking inorganic particles, method of preparing the composite membrane, and lithium air battery including the composite membrane

Growing community of inventors

Yongin-si, South Korea

Wonsung Choi