Samsung Electronics Co., Ltd.

Seoul National University

Heungchan Lee

Dongmin Im

Hyunpyo Lee

Dongjoon Lee

Hyukjae Kwon

Taeyoung Kim

Wonsung Choi

Jeongsik Ko

Jungock Park

Sangbok Ma

Mokwon Kim

Kihyun Kim

Hyunjin Kim

Kyounghwan Choi

Hyunchul Lee

Jin Seong Heo

Hwiyeol Park

Huisu Jeong

Junhyeong Lee

Minsik Park

Eunha Park

Victor Roev

Myungjin Lee

Joonhee Kim

Minhoo Byeon

Yeonsu Jung

Young Shik Cho

Chong Rae Park

A metal metal-air battery includes: an anode layer including a metal, a cathode layer spaced apart from the anode layer and including a hybrid conductive material having both electron conductivity and ionic conductivity; and a separator disposed between the anode layer and the cathode layer, wherein the hybrid conductive material includes a channel for metal ion transfer from the anode layer and a channel for electron transfer between the cathode and the anode.

Metal-air battery

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

Provided is a metal-air battery including a cathode having a space which may be filled with a metal oxide formed during a discharge of the metal-air battery and thus having improved energy density and lifespan. The cathode for the metal-air battery includes a plurality of cathode materials, a plurality of electrolyte films disposed on surfaces of the plurality of cathode materials, and a plurality of spaces which are not occupied by the plurality of cathode materials and the plurality of electrolyte films. A volume of the plurality of spaces may be greater than or equal to a maximum space of a metal oxide formed during a discharge of the metal-air battery.

Cathode for metal-air battery including spaces for accommodating metal oxides formed during discharge of metal-air battery and metal-air battery including the same

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 lithium air battery including a composite cathode including a porous material and a first solid electrolyte; a lithium metal anode; an oxygen blocking layer adjacent to the anode; and a cathode interlayer disposed between the cathode and the oxygen blocking layer, wherein the cathode interlayer includes a lithium ion conducting second solid electrolyte.

Lithium air battery 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 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 includes: an anode including a metal; a cathode spaced apart from the anode; and a separator between the anode and the cathode, wherein the cathode includes a first cathode layer including a first conductive material, and a second cathode layer disposed on the first cathode layer, the second cathode layer including a second conductive material, and wherein the first cathode layer provides a metal ion conduction path and the second cathode layer provides an electron transfer path.

A positive electrode for a lithium battery includes a lithium salt, a carbonaceous material, and a coating on a surface of the carbonaceous material, the coating including a polymer electrolyte including a hydrophilic material and a hydrophobic material, wherein a portion of the polymer electrolyte is anchored to the surface of the carbonaceous material by a chemical bond.

Positive electrode for metal air battery, metal air battery including the same, and method of preparing the positive electrode for metal air battery

A carbon composite includes: a carbonaceous core; and a polymer electrolyte membrane disposed on the carbonaceous core, the polymer electrolyte membrane including: a first ionic liquid, a first polymer layer disposed on the carbonaceous core and having a first ionic charge, and a second polymer layer disposed on the first polymer layer and having a second ionic charge opposite to the first charge of the first polymer layer.

Carbon composite, electrode and lithium air battery comprising the carbon composite, and method of preparing the carbon composite

A metal-air battery includes a unit cell wound into a roll. The unit cell includes a negative-electrode metal layer having a first surface located in a circumferential direction of the roll and a second surface facing the first surface and located in the circumferential direction of the roll; a first electrolyte film and a first positive-electrode layer sequentially disposed on the first surface of the negative-electrode metal layer; and a second electrolyte film and a second positive-electrode layer sequentially disposed on the second surface of the negative-electrode metal layer. The unit cell is wound in a way such that the first positive-electrode layer and the second positive-electrode layer face each other.

Metal-air battery having cylindrical structure

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.

A metal-air battery including an anode layer; a solid electrolyte layer; and a cathode layer directly contacting the solid electrolyte layer. The solid electrolyte layer and the cathode layer are a single unitary and indivisible body with no physical interlayer boundary between the solid electrolyte layer and the cathode layer. A portion of the cathode layer may be within the solid electrolyte layer. The cathode layer may protrude from the solid electrolyte layer. The method of manufacturing a metal-air battery may include forming a solid electrolyte layer on an anode layer and chemically reducing solid electrolyte in a part of the solid electrolyte layer.

Growing community of inventors

Seongnam-si, South Korea

Heungchan Lee