Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Industry-University Cooperation Foundation Hanyang University

Postech Research and Business Development Foundation

University Public Corporation Osaka

Joonseon Jeong

Jinkyu Kang

Yooseong Yang

Hyoungwoo Choi

Hyun Chul Lee

Kitae Park

Dongwook Kim

Dongjin Lee

Wonseok Chang

Yonggun Lee

Toshinori Sugimoto

Saebom Ryu

Sejin Yook

Ikhyun An

Dongmin Im

Hyukjae Kwon

Wonsung Choi

Tadao Yagi

Seokwhan Chung

Hongsoo Choi

Ilhwan Kim

Hyorang Kang

Hyunchul Lee

Sangmin Ji

Taehwan Yu

Min Tae Ryu

Taeksoo Kim

Masaaki Okubo

Chansu Kim

Soonchul Kwon

Tomoyuki Kuroki

Inhyuock Cho

Haruhiko Yamasaki

Daehoon Park

Hyomin Lee

Jaeseung Han

Gihyun Song

An air purifier includes an air inlet portion through which polluted air flows in, a plasma reaction portion connected to and in fluid communication with the air inlet portion and including a discharge region generating discharge plasma, a gas-liquid mixing portion connected to and in fluid communication with the plasma reaction portion, and including a gas-liquid mixing portion housing, a droplet spraying device arranged in the gas-liquid mixing portion housing and including at least one spray nozzle spraying fine droplets, and a fluid mixing device which mixes the fine droplets with first purified air transferred from the plasma reaction portion, and a gas-liquid contact portion connected to and in fluid communication with the gas-liquid mixing portion, defining micro-channels through which a gas-liquid mixture fluid transferred from the gas-liquid mixing portion passes, and including an impactor which captures droplets from the gas-liquid mixture fluid.

Air purifier and air purifying method

A porous composite structure including a substrate including a plurality of nanostructures; a particle layer disposed on a surface of the substrate; and a liquid, a method of preparing the porous composite structure, an article including the porous composite structure, and an air purifier including the porous composite structure.

Porous composite structure, method of preparing the same, article including the same, and air purifier including the same

An outdoor air cleaning system includes a partition surrounding a purification space to isolate the purification space from an external space and having at least one opening connecting the purification space to the external space, an air purifying device configured to supply purified air to the purification space, and a controller configured to control the air purifying device. An openness level defined as an area ratio of the opening with respect to a surface area of the partition is about 10% or more and about 50% or less.

Outdoor air cleaning system

A negative electrode for a lithium metal battery including: a lithium metal electrode including a lithium metal or a lithium metal alloy; and a protective layer on at least portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 10pascals or greater and includes at least one particle having a particle size of greater than 1 micrometer to about 100 micrometers, and wherein the at least one particle include an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof.

Negative electrode for lithium metal battery and lithium metal battery comprising the same

An air purification device includes a reactor having a hollow shape and extending in one direction, a discharge plasma generator comprising a first electrode disposed on an outer wall of the reactor and a second electrode disposed inside the reactor, where the discharge plasma generator is configured to generate a discharge plasma in a discharge region, a plurality of dielectric particles disposed on a packed-bed of the reactor, a liquid supplier which supplies a liquid into the reactor, and a liquid recoverer which recovers the liquid discharged from the reactor.

Device and method for purifying air purification device and method

A particulate matter collecting apparatus includes a duct, a water sprayer, a micro-channel forming unit, and an impactor. A gas-liquid mixed fluid is formed by spraying water to air flowing along the inside of the duct using the water sprayer. The gas-liquid mixed fluid collides with a collision plate of the impactor after passing through a plurality of micro-channels provided in the micro-channel forming unit. Particulate matter in air is collected by droplets or a liquid film formed on the plurality of micro-channels and the collision plate. Water flowing down from the plurality of micro-channels is discharged through a first water outlet.

Particulate matter collecting apparatus

A sulfide solid electrolyte including: a sulfide electrolyte for a lithium battery; and a metal-organic framework.

Sulfide-based solid electrolyte for lithium battery, method of preparing the same, and lithium battery including the sulfide-based solid electrolyte

A positive electrode for a metal secondary battery includes a positive current collector; and a positive active material layer disposed on the positive current collector, wherein the positive active material layer includes: a positive active material, a salt including an alkali metal salt, an alkaline earth metal salts, or a combination thereof, and a polymeric first binder including a repeating unit represented by Formula 1 wherein R is a substituted or unsubstituted C2-C5 alkylene group, a substituted or unsubstituted C2-C6 alkoxylene group, a substituted or unsubstituted C2-C6 alkoxycarbonylene group, a substituted or unsubstituted C2-C6 alkylene oxide group, or a combination thereof, and n is an integer from 90 to 2,700. Also a metal secondary battery including the same.

Positive electrode for metal secondary battery and metal secondary battery including the same

A lithium metal battery includes: a positive electrode, a negative electrode including lithium, a liquid electrolyte disposed between the positive electrode and the negative electrode, and a protective layer disposed on at least a portion of the negative electrode, wherein the protective layer includes a first polymer selected from at least one of a poly(vinyl alcohol) and a poly(vinyl alcohol) blend.

Lithium metal battery

A lithium air battery includes: a lithium negative electrode; a positive electrode; and an ion conductive oxygen-blocking film which is disposed on the lithium negative electrode, wherein the ion conductive oxygen-blocking film includes a first polymer including a polyvinyl alcohol or a polyvinyl alcohol blend, and a lithium salt, and wherein the ion conductive oxygen-blocking film has an oxygen transmission rate of about 10 milliliters per square meter per day to about 10,000 milliliters per square meter per day. Also a method of manufacturing a lithium air battery is disclosed.

Lithium air battery and method of manufacturing the same

Growing community of inventors

Seoul, South Korea

Joonseon Jeong