Samsung Electronics Co., Ltd.

Industry-university Cooperation Foundation Hanyang University

Myongji University Industry and Academia Cooperation

Jungock Park

Mokwon Kim

Seongwoo Choi

Kyounghwan Choi

Joonhee Kim

Hyunpyo Lee

Heungchan Lee

Dongjoon Lee

Taeyoung Kim

Sangbok Ma

Wonmok Lee

Dongmin Im

Wonsung Choi

Hyunjin Kim

Hyukjae Kwon

Taejoo Park

Alan Christian Lim

Jeonggil Seo

Scongwoo Choi

A solid electrolyte includes a first layer including an inorganic lithium-ion conductor, and a second layer disposed on at least one surface of the first layer, wherein the second layer includes at least one of a compound represented by Formula 1 or a compound represented by Formula 2:LiMO  Formula 1LiM(OH)  Formula 2wherein, in Formulae 1 and 2,

Solid electrolyte, method of preparing the same, lithium-air battery including the solid electrolyte, and electrochemical device including the solid electrolyte

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 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 metal air battery apparatus includes: a metal air cell including a cathode layer including pores, an anode layer facing the cathode layer, and a solid electrolyte layer between the cathode layer and the anode layer; and a controller configured to control at least one of a charge rate or a discharge rate of the metal air cell based on a porosity of the cathode layer.

Metal air battery, method of manufacturing the same, apparatus including the metal air battery, and system and method of controlling the metal air battery

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 cathode of a metal-air battery includes an electrically conductive metal oxide in a three-dimensional (3D) network structure,

Cathode of metal air battery, metal air battery including the same, and method of manufacturing 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

A metal air battery includes a battery module configured to generate electricity by oxidation of metal and reduction of oxygen and water; a water vapor supply unit configured to supply water vapor to the battery module; and a water vapor recovery unit configured to recover the water vapor from the battery module.

Metal air battery and method of operating the metal air battery

A metal-air battery including a cathode including a metal; an anode including a composite conductive material; a solid electrolyte layer between the cathode and the anode; and a vapor supplier configured to supply a vapor to the anode and the solid electrolyte layer.

Metal-air battery

A metal-air battery includes: at least one positive electrode layer, which is configured for using oxygen as an active material and includes a first surface and a second surface opposite the first surface; a gas diffusion layer on the first surface of the positive electrode layer and including a plurality of carbon fibers; an electrolyte layer on the second surface of the positive electrode layer; and a negative electrode metal layer on the electrolyte layer, wherein the positive electrode layer includes a plurality of grooves, and wherein portions of the plurality of carbon fibers are in the grooves.

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

A positive electrode for a metal-air battery, the positive electrode including: a first layer disposed on a surface of an electrolyte membrane or a separator and including a first carbon material, a first electrolyte, and a first binder having an affinity with the first electrolyte; and a second layer disposed on the first layer and including a second carbon material, a second electrolyte, and a second binder having an affinity with the second electrolyte, wherein the first carbon material is different from the second carbon material, the first carbon material has a Brunauer Emmett Teller specific surface area which is greater than a Brunauer Emmett Teller specific surface area of the second carbon material, and wherein an amount of the first binder may be about 1.5 times to about 3 times greater than an amount of the second binder.

Positive electrode for metal-air battery and metal-air battery including the same

A metal-air battery includes a gas diffusion layer; a first cathode and a second cathode disposed on opposite surfaces of the gas diffusion layer, respectively; an ion conducting membrane, including a folded portion, surrounding the first cathode, the gas diffusion layer, and the second cathode and disposed on each of the first cathode and the second cathode; and an anode, including a folded portion, surrounding the ion conducting membrane and disposed on the ion conducting membrane, where the folded portion of the anode is folded in a same direction as the folded portion of the ion conducting membrane.

Growing community of inventors

Yongin-si, South Korea

Jungock Park