Samsung Electronics Co., Ltd.

Massachusetts Institute of Technology

Seoul National University

Mokwon Kim

Hyunpyo Lee

Jungock Park

Kyounghwan Choi

Hyunjin Kim

Dongmin Im

Wonsung Choi

Joonhee Kim

Taeyoung Kim

Heungchan Lee

Sangbok Ma

Hyukjae Kwon

Dongjoon Lee

Jin Seong Heo

Jeremiah Allen Johnson

Kyounghwan Kim

Hwiyeol Park

Sungjin Lim

Huisu Jeong

Myungjin Lee

Junghwa Kim

Hyangsook Lee

Yang Shao-Horn

Donghwa Seo

Wenxu Zhang

Mingjun Huang

Dongjin Yun

Livia Giordano

Shuting Feng

Daiki Minami

Minhoo Byeon

Insun Jung

Yeonsu Jung

Seongheon Kim

Sunjung Byun

Daeun Yu

Young Shik Cho

Chong Rae Park

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 electrolyte includes: a first electrolyte layer including an inorganic lithium ion conductor; and a second electrolyte layer disposed on at least one side of the first electrolyte layer and including a compound represented by Formula 1Li(HfM)(POQ)  Formula 1wherein in Formula 1, M is at least one of a monovalent to a hexavalent element, wherein 0<a≤1, 0≤x<⅓, and 0≤y<2, and Q is F, Cl, Br, I, a pseudohalogen, or a combination thereof.

Solid electrolyte, preparation method thereof, lithium air battery including the solid electrolyte, and electrochemical device including the solid electrolyte

A gas diffusion layer for a metal-air battery, the gas diffusion layer including: a porous layer including non-conductive fiber structures, a conductive carbon layer including a carbon material that is disposed on a surface of a non-conductive fiber structure of the plurality of non-conductive fiber structures.

Gas diffusion layer for metal-air battery, method of manufacturing the same, and metal-air battery including the same

A cathode for an air battery includes a porous conductive material; and a base-resistant compound on a surface of the porous conductive material, the base-resistant compound having a 0 or positive Gibbs free energy at 2 V to 4.5 V vs Li/Li+ at a pH of about 7 to about 14.

Cathode including base-resistant compound and lithium-air battery including the same

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 cathode configured to use oxygen as a cathode active material includes: a porous film including a metal oxide, where a porosity of the porous film is about 50 volume percent to about 95 volume percent, based on a total volume of the porous film, and an amount of an organic component in the porous film is 0 to about 2 weight percent, based on a total weight of the porous film.

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

A metal-air battery includes: a cell module configured to generate electricity by oxidation of a metal and reduction of oxygen and water; a water vapor supply unit configured to supply a first water vapor to the cell module; a moisture storage unit configured to supply a first moisture at a first flow rate to the water vapor supply unit; and a condensing unit configured to supply a second moisture at a second flow rate to the water vapor supply unit by condensing the water vapor condensed from the cell module.

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

A solid electrolyte-cathode assembly including a plurality of cathode layers spaced apart from each other in a first direction, and an electrolyte layer including an amorphous solid electrolyte and a crystalline solid electrolyte including a plurality of crystalline solid electrolyte particles, wherein the amorphous solid electrolyte is on a surface of a cathode layer of the plurality of cathode layers and the crystalline solid electrolyte is within the amorphous solid electrolyte.

Secondary battery and method of manufacturing the secondary 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.

A polymer compound including a repeating unit represented by Formula: wherein R, R, R, R, a1, a2, and a11 in Formula 1 are as defined in the specification.

Polymer compound, solid electrolyte film including the same, and lithium-air battery including the solid electrolyte film

A cathode configured to use oxygen as a cathode active material includes: a porous electrically conductive framework substrate; and a coating layer disposed on a surface of the porous electrically conductive framework substrate, wherein the coating layer includes at least one of a lithium-containing metal oxide or a composite including a lithium-containing metal oxide, and wherein a porosity of the porous electrically conductive framework substrate is about 70 percent to about 99 percent, based on a total volume of the cathode, and an areal resistance of the porous electrically conductive framework substrate is about 0.01 milliohms per square centimeter to about 100 milliohms per square centimeter.

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

A composite cathode including: a cathode conductor layer including a mixed conductor; and a cathode junction layer adjacent to the cathode conductor layer, the cathode junction layer including a solid electrolyte, wherein the mixed conductor has a lithium-ion conductivity and an electrical conductivity, and wherein the solid electrolyte has a lithium-ion conductivity. In addition, the present disclosure provides a lithium-air battery including the composite cathode.

Composite cathode and lithium-air battery including the same

A lithium air battery including: a lithium air cell including a cathode configured to use oxygen as cathode active materials, an anode capable of storing and releasing lithium ions, and an electrolyte disposed between the cathode and the anode; and a water vapour supply unit including a basic metal compound and water, wherein the water vapour supply unit is configured to supply water to the cathode of the lithium air cell.

Lithium air battery

The present invention relates to a cathode, a lithium air battery including a cathode, and a method of preparing the lithium air battery. A cathode configured to use oxygen as a cathode active material, the cathode including: a lithium alloy represented by Formula 1LiM&#x2003;&#x2003;Formula 1

Cathode, lithium air battery including cathode, and method of preparing lithium air battery

A cathode configured to use oxygen as a cathode active material comprising a conductive layer including an electronic conductor, wherein the conductive layer is free of pores.

Growing community of inventors

Suwon-si, South Korea

Mokwon Kim