Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 46. Отображено 46.
01-04-2016 дата публикации

HOLLOW METAL NANOPARTICLES, CATALYST COMPRISING SAME, AND PRODUCING METHOD OF HOLLOW METAL NANOPARTICLES

Номер: KR1020160035941A
Автор: BANG, JUNG UP, HWANG, GYO HYUN, CHO, JUN YEON, KIM, SANG HOON, KIM, KWANG HYUN, CHOI, RAN
Принадлежит:

The present invention relates to hollow metal nanoparticles, a catalyst comprising the same, and a producing method of hollow metal nanoparticles. The producing method of hollow metal nanoparticles comprises the steps of: 1) preparing a composition comprising two or more kinds of metal salts, one or more kinds of ionic surfactants, a surfactant, and a solvent in an air atmosphere; and 2) adding a reductant into the composition in an air atmosphere. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 1
09-05-2019 дата публикации

METHOD FOR PRODUCING CARRIER FOR ELECTRODE CATALYST, PRECURSOR OF CARRIER FOR ELECTRODE CATALYST, AND CARRIER FOR ELECTRODE CATALYST, COMPRISING SAME

Номер: WO2019059569A3
Автор: LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present description relates to a method for producing a carrier for an electrode catalyst, comprising: a step of forming first and second polymer layers having mutually different charges on the surface of a carbon carrier; and a step of carbonizing the first and second polymer layers, wherein polymers included in the first and second polymer layers are an aromatic compound including a heteroatom, and a first or second polymer comprises a pyridine group.

Подробнее
Номер записи: 2
25-02-2016 дата публикации

CARRIER-NANOPARTICLE COMPLEX AND PREPARATION METHOD THEREOF

Номер: WO2016028065A1
Автор: KIM, Sang Hoon, CHO, Jun Yeon, KIM, Kwanghyun, BANG, Jungup, HWANG, Gyo Hyun, CHOI, Ran
Принадлежит:

The present application relates to a carrier-nanoparticle complex and a preparation method thereof. More specifically, the present application provides a carrier-nanoparticle complex, a preparation method thereof and a catalyst comprising the carrier-nanoparticle complex, the carrier-nanoparticle complex comprising: one or more hollow metal nanoparticles comprising a hollow core and a shell portion surrounding the hollow core; and a carbon-based carrier which carries the hollow metal nanoparticles, and wherein at least a portion of the carrier surface is coated with a polymer electrolyte comprising one or more amine groups.

Подробнее
Номер записи: 3
08-12-2015 дата публикации

AROMATIC SULFONATE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME

Номер: KR1020150136712A
Автор: PARK, MI YOUNG, CHOE, RAN, LEE, NAM JIN, JEON, YOUNG MIN, LEE, CHIL WON, KIM, JOON WOO
Принадлежит:

The present invention relates to an organic material having an aromatic sulfonate derivative shape and an organic electroluminescent device using the same. More specifically, provided is a compound represented by chemical formula 1. The organic electroluminescent device of the present invention can obtain short-wavelength light emitting in high efficiency and has improved lifespan properties. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 4
30-05-2018 дата публикации

CATALYST AND MANUFACTURING METHOD THEREOF

Номер: KR1020180057023A
Автор: CHOI, RAN, KIM, SANG HOON, HWANG, GYO HYUN, CHO, JUN YEON, KIM, KWANG HYUN, LEE, WON KYUN
Принадлежит:

The present invention relates to a carrier-nanoparticle complex, a catalyst including the same, an electrochemical battery or a fuel cell including the catalyst, and a manufacturing method thereof. The manufacturing method of a catalyst for a fuel cell comprises the following steps of: forming a polymer layer having an amine group and a hydrogen ion exchange group displayed by chemical formula 12, -SO_3^(-)X, on a carbon carrier; adding the carbon carrier forming the polymer layer, a first metal precursor, a second metal precursor and a capping agent having a carboxylic group to a solvent to manufacture a reaction composition, and manufacturing the carrier-nanoparticle complex forming metal nanoparticles on the polymer layer of the carbon carrier by using the reaction composition; and acid-treating the complex. COPYRIGHT KIPO 2018 ...

Подробнее
Номер записи: 5
28-03-2019 дата публикации

CARRIER-NANOPARTICLE COMPLEX, CATALYST COMPRISING SAME, ELECTROCHEMICAL BATTERY COMPRISING CATALYST, AND METHOD FOR PRODUCING CARRIER-NANOPARTICLE COMPLEX

Номер: WO2019059625A1
Автор: LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present description relates to: a carrier-nanoparticle complex comprising nanoparticles provided on a carrier, and a middle material layer provided between a part or all of the nanoparticles, the surface of the nanoparticles being partially exposed to the outside; a catalyst comprising the carrier-nanoparticle complex; an electrochemical battery comprising the catalyst; and a method for producing the carrier-nanoparticle complex.

Подробнее
Номер записи: 6
12-04-2017 дата публикации

CUSTOMIZED ONLINE INTERVIEW COACHING AND CORRECTING SYSTEM USING BIG DATA

Номер: KR1020170040065A
Автор: CHOI, RAN, KIM, JEONG AH
Принадлежит:

According to an embodiment of the present invention, a service providing server provides a customized online interview coaching and correcting service using big data. The present invention includes: a step of transmitting simulation interview voice content, corresponding to a selected category, to a learner terminal once at least one business type category, provided to the learner terminal, is selected by a learner; a step of receiving and storing a simulation interview video, made in accordance with the simulation interview voice content, from the learner terminal; a step of transmitting the simulation interview video, received from the learner terminal, to a terminal of an interview coach, who is preselected by the learner, and then receiving and storing a simulation interview correction guide, corresponding to the simulation interview video, from the terminal of the interview coach; and a step of transmitting the simulation interview correction guide, including recommended learning content ...

Подробнее
Номер записи: 7
28-03-2019 дата публикации

METHOD FOR PRODUCING FUEL CELL CATALYST, AND FUEL CELL CATALYST PRODUCED THEREBY

Номер: WO2019059570A1
Автор: LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present specification relates to a method for producing a fuel cell catalyst, the method comprising: a primary loading step; a step of separating particles not loaded in the primary loading step; a heat treatment step; and a secondary loading step, and relates to a fuel cell catalyst produced thereby.

Подробнее
Номер записи: 8
15-09-2017 дата публикации

GRAPHENE-CARBON NANOTUBE COMPOSITE, CATALYST COMPRISING SAME, MEMBRANE ELECTRODE ASSEMBLY INCLUDING CATALYST, FUEL CELL COMPRISING MEMBRANE ELECTRODE ASSEMBLY, AND METHOD FOR MANUFACTURING GRAPHENE-CARBON NANOTUBE COMPOSITE

Номер: KR1020170104288A
Автор: LEE, WON KYUN, CHO, JUN YEON, KIM, SANG HOON, KIM, KWANG HYUN, HWANG, GYO HYUN, CHOI, RAN, CHO, DONG HYUN, YOON, JAE KEUN, CHA, JIN MYUNG
Принадлежит:

The present specification relates to a graphene-carbon nanotube composite, a catalyst comprising the same, a membrane electrode assembly comprising the catalyst, a fuel cell comprising the membrane electrode assembly, and a method for manufacturing a graphene-carbon nanotube composite. The graphene-carbon nanotube composite includes: a carbon nanotube; a polymer layer having an amine group provided on the carbon nanotube; and graphene provided on the polymer layer. The graphene-carbon nanotube composite has excellent dispersibility of nanoparticles. COPYRIGHT KIPO 2017 (AA) Graphene oxide ...

Подробнее
Номер записи: 9
27-10-2011 дата публикации

SURGICAL STENT

Номер: WO2011132897A2
Автор: KIM, Heon Young, HYUN, Chang Baek, YOO, Hyuk Sang, LEE, Seung Yeol, CHOI, Ran, KIM, Hye Sung, NO, Hyeong Jin, KIM, Young Wan, LEE, Gwang Ho, PARK, Hyun Sik, YOON, Su Jin, KIM, Young Hee
Принадлежит:

The present invention provides a cylindrical surgical stent which is not contracted in an axial direction even during expansion. The invention comprises a ring-shaped stent ring having: a plurality of cells arranged by being spaced in a row in a circumferential direction; and a plurality of first links. The plurality of cells include first curved portions which are convex in a circumferential direction, second curved portions which are concave in a circumferential direction, third curved portions which are convex in an axial direction, and fourth curved portions which are concave in an axial direction. Said first curved portions are respectively connected with the third curved portions and the fourth curved portions, and said second curved portions are respectively connected with the third curved portions and the fourth curved portions. Said first links are formed from a plurality of links, which connect first curved portions and second curved portions of two adjacent cells among the plurality ...

Подробнее
Номер записи: 10
31-03-2016 дата публикации

HOLLOW METAL NANOPARTICLE, CATALYST INCLUDING SAME, AND METHOD FOR MANUFACTURING HOLLOW METAL NANOPARTICLE

Номер: WO2016047906A1
Автор: BANG, Jungup, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Sang Hoon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present specification relates to a method for manufacturing a hollow metal nanoparticle and a hollow metal nanoparticle manufactured by the method, the method comprising the steps of: 1) preparing a composition comprising two or more types of metal salts, one or more types of ionic surfactants, a surface stabilizer, and a solvent in an air atmosphere; and 2) adding a reductant into the composition in an air atmosphere. Additionally, the present invention relates to a hollow metal nanoparticle and a catalyst including the hollow metal nanoparticle, the hollow metal nanoparticle comprising: a hollow core portion; a shell portion including a first metal and a second metal; and a hollow space formed from the outer surface of the shell portion to the hollow core, wherein the ratio between the content of the first metal and the content of the second metal in the shell portion is larger than or equal to 1:3 and is smaller than or equal to 1:20.

Подробнее
Номер записи: 11
25-04-2018 дата публикации

담체-나노입자 복합체 및 이의 제조방법

Номер: KR0101851424B1
Автор: 김상훈, 조준연, 김광현, 방정업, 황교현, 최란
Принадлежит: 주식회사 엘지화학

... 본 명세서는 담체-나노입자 복합체 및 이의 제조방법에 관한 것이다.

Подробнее
Номер записи: 12
18-02-2016 дата публикации

METHOD FOR PRODUCING METAL NANOPARTICLES

Номер: WO2016024830A3
Автор: CHOI, Ran, KIM, Kwanghyun, BANG, Jungup, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon
Принадлежит:

The present invention relates to a method for producing metal nanoparticles, the method comprising: forming a solution comprising a halide, an amino acid, a solvent, a metal salt providing the metal ions or atomic group ions comprising the metal ions in the solvent, and at least one surfactant forming micelles in the solvent; and forming metal nanoparticles by adding a reducing agent to the solution, wherein the metal nanoparticles comprise at least one bowl-shaped particle comprising at least one kind of metal.

Подробнее
Номер записи: 13
29-07-2015 дата публикации

FUNCTIONALIZED CARBON NANOPARTICLES AND FUNCTIONAL POLYMERIC FIBER USING SAME

Номер: KR1020150086927A
Автор: KIM, YOUNG KYOO, KIM, HWA JEONG, LEE, CHANG SEOK, CHOI, RAN, KWAK, EUN JOO
Принадлежит:

The present invention relates to a functionalized carbon nanoparticle prepared by modifying the surface of a carbon nanoparticle with C_(5-10) aryl or heteroaryl substituted with at least one hydroxyl groups, and a functional polymeric fiber using the same. According to the present invention, the functionalized carbon nanoparticles are tightly bound to the polymer fiber, thereby providing the polymer fiber with the properties of carbon nanoparticle. Accordingly, the properties of the carbon nanoparticle being further provided in addition to those of the polymer fiber, the polymer fiber is expected to further expand its scope of application. COPYRIGHT KIPO 2015 ...

Подробнее
Номер записи: 14
10-08-2017 дата публикации

CARRIER-NANOPARTICLE COMPOSITE, CATALYST CONTAINING SAME, AND METHOD FOR PRODUCING SAME

Номер: WO2017135709A1
Автор: CHO, Jun Yeon, KIM, Kwanghyun, KIM, Sang Hoon, CHOI, Ran, HWANG, Gyo Hyun, LEE, Wonkyun
Принадлежит:

The present specification relates to a carrier-nanoparticle composite, a catalyst containing the same, an electrochemical cell or fuel cell comprising the catalyst, and a method for producing the same.

Подробнее
Номер записи: 15
18-02-2016 дата публикации

METHOD FOR PRODUCING METAL NANOPARTICLES

Номер: WO2016024830A2
Автор: CHOI, Ran, KIM, Kwanghyun, BANG, Jungup, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon
Принадлежит:

The present invention relates to a method for producing metal nanoparticles, the method comprising: forming a solution comprising a halide, an amino acid, a solvent, a metal salt providing the metal ions or atomic group ions comprising the metal ions in the solvent, and at least one surfactant forming micelles in the solvent; and forming metal nanoparticles by adding a reducing agent to the solution, wherein the metal nanoparticles comprise at least one bowl-shaped particle comprising at least one kind of metal.

Подробнее
Номер записи: 16
27-10-2011 дата публикации

SURGICAL STENT

Номер: WO2011132897A3
Автор: KIM, Heon Young, HYUN, Chang Baek, YOO, Hyuk Sang, LEE, Seung Yeol, CHOI, Ran, KIM, Hye Sung, NO, Hyeong Jin, KIM, Young Wan, LEE, Gwang Ho, PARK, Hyun Sik, YOON, Su Jin, KIM, Young Hee
Принадлежит:

The present invention provides a cylindrical surgical stent which is not contracted in an axial direction even during expansion. The invention comprises a ring-shaped stent ring having: a plurality of cells arranged by being spaced in a row in a circumferential direction; and a plurality of first links. The plurality of cells include first curved portions which are convex in a circumferential direction, second curved portions which are concave in a circumferential direction, third curved portions which are convex in an axial direction, and fourth curved portions which are concave in an axial direction. Said first curved portions are respectively connected with the third curved portions and the fourth curved portions, and said second curved portions are respectively connected with the third curved portions and the fourth curved portions. Said first links are formed from a plurality of links, which connect first curved portions and second curved portions of two adjacent cells among the plurality ...

Подробнее
Номер записи: 17
29-02-2016 дата публикации

CARRIER-NANOPARTICLE COMPLEX AND MANUFACTURING METHOD THEREOF

Номер: KR1020160022156A
Автор: KIM, SANG HOON, CHO, JUN YEON, KIM, KWANG HYUN, BANG, JUNG UP, HWANG, GYO HYUN, CHOI, RAN
Принадлежит:

The present invention relates to a carrier-nanoparticle complex and a manufacturing method thereof. The carrier-nanoparticle complex comprises: a hollow core; at least one hollow metal nanoparticle including a shell part for covering the hollow core; and a carbon-based carrier in which the hollow metal nanoparticle is carried. According to one embodiment of the present invention, the carrier-nanoparticle complex has the excellent dispersibility of a nanoparticle. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 18
11-02-2016 дата публикации

METHOD FOR PREPARING NANOPARTICLES SUPPORTED ON HYDROPHOBIC CARRIER, AND NANOPARTICLES SUPPORTED ON CARRIER, PREPARED THEREBY

Номер: WO2016021863A1
Автор: CHO, Jun Yeon, KIM, Sang Hoon, HWANG, Gyo Hyun, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present specification relates to a method for preparing nanoparticles supported on a carrier, and nanoparticles supported on a carrier, prepared thereby.

Подробнее
Номер записи: 19
28-03-2019 дата публикации

CARRIER-NANOPARTICLE COMPLEX, CATALYST COMPRISING SAME, ELECTROCHEMICAL BATTERY COMPRISING CATALYST, AND METHOD FOR PRODUCING CARRIER-NANOPARTICLE COMPLEX

Номер: WO2019059625A9
Автор: LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present description relates to: a carrier-nanoparticle complex comprising nanoparticles provided on a carrier, and a middle material layer provided between a part or all of the nanoparticles, the surface of the nanoparticles being partially exposed to the outside; a catalyst comprising the carrier-nanoparticle complex; an electrochemical battery comprising the catalyst; and a method for producing the carrier-nanoparticle complex.

Подробнее
Номер записи: 20
09-11-2017 дата публикации

CARRIER-NANOPARTICLE COMPOSITE, CATALYST COMPRISING SAME, AND METHOD FOR PRODUCING SAME

Номер: WO2017191945A1
Автор: CHO, Jun Yeon, KIM, Kwanghyun, HWANG, Gyo Hyun, KIM, Sang Hoon, CHOI, Ran, LEE, Wonkyun
Принадлежит:

The present specification relates to a carrier-nanoparticle composite, a catalyst comprising the same, an electrochemical cell or a fuel cell comprising the catalyst, and a method for manufacturing the same, wherein the carrier-nanoparticle composite comprises: a carbon carrier; a polymer layer provided on the surface of the carbon carrier and having an amine group and a hydrogen ion-exchanging group; and metal nanoparticles provided on the polymer layer.

Подробнее
Номер записи: 21
10-08-2017 дата публикации

CARRIER-NANOPARTICLE COMPLEX, CATALYST HAVING SAME, AND METHOD FOR MANUFACTURING SAME

Номер: KR1020170092125A
Автор: CHO, JUN YEON, KIM, KWANG HYUN, KIM, SANG HOON, CHOI, RAN, HWANG, GYO HYUN, LEE, WON KYUN
Принадлежит:

The present invention relates to a carrier-nanoparticle complex, a catalyst having the same, and a method for manufacturing the same. According to an embodiment of the present invention, the carrier-nanoparticle complex comprises: a carbon carrier which includes a polymer layer provided on a surface; and metal nanoparticles which are provided on the polymer layer of the carbon carrier. The carrier-nanoparticle complex of the present invention includes excellent dispersibility of the metal nanoparticles; excellent thermal stability; and excellent durability. The present invention reduces process costs by excluding a process of removing a surfactant. COPYRIGHT KIPO 2017 (AA) Commercial catalyst (BB) Embodiment 1 (CC) Comparative example 2 ...

Подробнее
Номер записи: 22
28-03-2019 дата публикации

METHOD FOR PRODUCING CARRIER FOR ELECTRODE CATALYST, PRECURSOR OF CARRIER FOR ELECTRODE CATALYST, AND CARRIER FOR ELECTRODE CATALYST, COMPRISING SAME

Номер: WO2019059569A2
Автор: LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present description relates to a method for producing a carrier for an electrode catalyst, comprising: a step of forming first and second polymer layers having mutually different charges on the surface of a carbon carrier; and a step of carbonizing the first and second polymer layers, wherein polymers included in the first and second polymer layers are an aromatic compound including a heteroatom, and a first or second polymer comprises a pyridine group.

Подробнее
Номер записи: 23
30-03-2017 дата публикации

CARRIER-NANOPARTICLE COMPLEX, PREPARATION METHOD THEREFOR, AND MEMBRANE ELECTRODE ASSEMBLY INCLUDING SAME

Номер: WO2017052222A1
Автор: CHO, Jun Yeon, KIM, Sang Hoon, HWANG, Gyo Hyun, KIM, Kwanghyun, CHOI, Ran, LEE, Wonkyun
Принадлежит:

The present application provides a method for preparing a carrier-nanoparticle complex, the carrier-nanoparticle complex obtained therefrom, and a membrane electrode assembly including the same, the method comprising: a step of preparing a carbon carrier coated, on a part of or on the entire surface thereof, with a polymer including a cationic functional group; a core particle formation step of forming metal core particles carried on the carbon carrier by reducing, at a temperature of 120°C-220°C, a solution including one or two or more types of metal precursors, the carbon carrier, and a polyol; and a core-shell nanoparticle formation step of forming a Pt shell on a part of or on the entire surface of the metal core particles by reducing, at a temperature of 20°C-100°C, an aqueous solution including the metal core particles carried on the carbon carrier, a Pt precursor, and water, wherein the core-shell nanoparticles are carried on the carbon carrier, and the Pt precursor is represented ...

Подробнее
Номер записи: 24
01-11-2017 дата публикации

METHOD FOR MANUFACTURING CARBON CARRIER AND CARBON CARRIER MANUFACTURED BY METHOD

Номер: KR1020170120908A
Автор: KIM, KWANG HYUN, CHO, JUN YEON, KIM, SANG HOON, HWANG, GYO HYUN, CHOI, RAN, LEE, WON KYUN
Принадлежит:

The present invention relates to a method of manufacturing a carbon carrier comprising the following steps: preparing a carbon composite material containing carbon and a polymer; forming a metal catalyst on the surface of the carbon composite material by using hydrazine; and growing carbon nanotubes on the carbon composite material. The present invention also relates to the carbon carrier manufactured by the method. COPYRIGHT KIPO 2017 ...

Подробнее
Номер записи: 25
12-05-2016 дата публикации

CARRIER-NANOPARTICLE COMPLEX, METHOD FOR PREPARING SAME, AND CATALYST COMPRISING SAME

Номер: WO2016072755A1
Автор: CHO, Jun Yeon, KIM, Sang Hoon, HWANG, Gyo Hyun, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present specification relates to a carrier-nanoparticle complex, a method for preparing the same, and a catalyst comprising the same, the carrier-nanoparticle complex comprising: core-shell nanoparticles, each comprising a core part including two different types of transition metals, and a shell part including Pt and formed at least a portion of the surface of the core part; and a core-shell nanoparticles-supported carrier, wherein at least a portion of the surface of the carrier is coated with a polyelectrolyte including at least one functional group including nitrogen.

Подробнее
Номер записи: 26
04-04-2017 дата публикации

CARRIER-NANO PARTICLE COMPLEX, METHOD FOR FABRICATING SAME AND MEMBRANE ELECTRODE ASSEMBLY COMPRISING SAME

Номер: KR1020170037542A
Автор: CHO, JUN YEON, KIM, SANG HOON, HWANG, GYO HYUN, KIM, KWANG HYUN, CHOI, RAN, LEE, WON KYUN
Принадлежит:

The present invention relates to a carrier-nano particle complex, a method for fabricating the same and a membrane electrode assembly comprising the same. The method for fabricating the carrier-nano particle complex comprises the following steps: preparing a carbon carrier in which a polymer containing a cation functional group is coated on part or all of the surface; forming metal core particles carried in the carbon carrier; and forming a Pt shell on part or all of the surface of the metal core particles. According to the present invention, there is little environmental pollution by using an aqueous solvent, not an organic solvent which has a great risk of environmental pollution. COPYRIGHT KIPO 2017 ...

Подробнее
Номер записи: 27
24-05-2018 дата публикации

CATALYST AND PREPARATION METHOD THEREFOR

Номер: WO2018093020A1
Автор: CHOI, Ran, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, LEE, Wonkyun
Принадлежит:

The present invention relates to a carrier-nanoparticle complex, a fuel cell catalyst comprising same, an electrochemical cell or fuel cell comprising the catalyst, and a preparation method therefor, the carrier-nanoparticle complex comprising: a carbon carrier; a polymer layer provided on the surface of the carbon carrier and having an amine group and a hydrogen ion-exchange group; and metal nanoparticles provide on the polymer layer and having an octahedral structure.

Подробнее
Номер записи: 28
28-03-2019 дата публикации

METHOD FOR PRODUCING CARRIER FOR ELECTRODE CATALYST, PRECURSOR OF CARRIER FOR ELECTRODE CATALYST, AND CARRIER FOR ELECTRODE CATALYST, COMPRISING SAME

Номер: WO2019059569A9
Автор: LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present description relates to a method for producing a carrier for an electrode catalyst, comprising: a step of forming first and second polymer layers having mutually different charges on the surface of a carbon carrier; and a step of carbonizing the first and second polymer layers, wherein polymers included in the first and second polymer layers are an aromatic compound including a heteroatom, and a first or second polymer comprises a pyridine group.

Подробнее
Номер записи: 29
12-05-2016 дата публикации

CARRIER-NANOPARTICLE COMPLEX, MANUFACTURING METHOD THEREOF, AND CATALYST COMPRISING SAME

Номер: KR1020160052451A
Автор: CHO, JUN YEON, KIM, SANG HOON, HWANG, GYO HYUN, KIM, KWANG HYUN, CHOI, RAN
Принадлежит:

The present invention relates to a carrier-nanoparticle complex, a manufacturing method thereof, and a catalyst comprising the same. The manufacturing method of a carrier-nanoparticle complex comprises the steps of: forming a first solution; forming a core unit; regulating a pH greater than or equal to 8 of the first solution; forming a second solution; forming a shell unit; and regulating a pH greater than or equal to 8 of the second solution. According to an embodiment of the present invention, the manufacturing method of a carrier-nanoparticle complex hardly causes environmental pollution, by using a water-soluble solvent. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 30
28-03-2019 дата публикации

SUPPORT-NANOPARTICLE COMPOSITE, CATALYST COMPRISING SAME, AND PREPARATION METHOD THEREFOR

Номер: WO2019059588A1
Автор: CHO, Jun Yeon, LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The specification relates to: a support-nanoparticle composite comprising a carbon support, a polymer layer provided on the carbon support, and metal nanoparticles provided on the polymer layer; a catalyst comprising the same; an electrochemical cell or a fuel cell comprising the catalyst; and a preparation method therefor.

Подробнее
Номер записи: 31
12-12-2017 дата публикации

담체-나노입자 복합체, 이의 제조방법, 및 이를 포함하는 촉매

Номер: KR0101807919B1
Автор: 조준연, 김상훈, 황교현, 김광현, 최란
Принадлежит: 주식회사 엘지화학

... 본 명세서는 담체-나노입자 복합체, 이의 제조방법, 및 이를 포함하는 촉매에 관한 것이다.

Подробнее
Номер записи: 32
08-06-2018 дата публикации

METAL NANOPARTICLE, CATALYST COMPRISING SAME, FUEL CELL, AND MANUFACTURING METHOD THEREOF

Номер: KR1020180062211A
Автор: KIM, KWANG HYUN, CHO, JUN YEON, KIM, SANG HOON, HWANG, GYO HYUN, CHOI, RAN, LEE, WON KYUN
Принадлежит:

The present specification relates to a metal nanoparticle, a catalyst comprising the same, a fuel cell and a manufacturing method thereof. The metal nanoparticle comprises: a hollow core part; a first shell part formed in a bowl shape including an alloy of platinum and a transition metal; and at least one bowl-type particle provided on the first shell part and including a second shell part made of platinum. Dissolution of transition metals is suppressed in the metal nanoparticle. COPYRIGHT KIPO 2018 ...

Подробнее
Номер записи: 33
12-10-2017 дата публикации

METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL INCLUDING SAME

Номер: KR1020170110908A
Автор: CHO, JUN YEON, SONG, CHEOL OCK, KIM, SANG HOON, KIM, KWANG HYUN, HWANG, GYO HYUN, CHOI, RAN, LEE, WON KYUN
Принадлежит:

The present invention relates to a method for manufacturing a membrane electrode assembly, a membrane electrode assembly, and a fuel cell including the same. The method for a manufacturing a membrane electrode assembly comprises: a step of forming a carrier-nanoparticle composite including a base, a carbon nanotube carrier formed in the base, having nitrogen oriented in a direction perpendicular to a surface direction of the base or oriented in a direction forming an acute angle with a surface direction of the base, a polymer layer having at least one of a phosphine group and an amine group formed in at least a portion of a surface of the carbon nanotube carrier, and a metal nanoparticle formed in the polymer layer; a step of forming an electrode catalyst layer by coating a composition including a polymer ionomer on a surface thereof including a carrier-nanoparticle composite of the base; a step of transferring the electrode catalyst layer on at least one surface of a polymer electrolyte ...

Подробнее
Номер записи: 34
21-03-2019 дата публикации

SUPPORT-NANOPARTICLE COMPOSITE, CATALYST CONTAINING SAME, AND FABRICATION METHOD THEREFOR

Номер: WO2019054722A1
Автор: LEE, Wonkyun, KIM, Sang Hoon, HWANG, Gyo Hyun, CHO, Jun Yeon, KIM, Kwanghyun, CHOI, Ran
Принадлежит:

The present specification relates to a support-nanoparticle composite comprising: a carbon support; a polymer layer provided on the carbon support; and metal nanoparticles provided on the polymer layer, a catalyst containing the same, an electrochemical cell or fuel cell comprising the same catalyst, and a fabrication method therefor.

Подробнее
Номер записи: 35
06-04-2016 дата публикации

METHOD FOR FABRICATING METAL NANOPARTICLES AND METAL NANOPARTICLES FABRICATED BY SAME

Номер: KR1020160037779A
Автор: KIM, KWANG HYUN, KIM, SANG HOON, HWANG, GYO HYUN, CHO, JUN YEON, CHOI, RAN
Принадлежит:

The present specification relates to a method for fabricating metal nanoparticles and metal nanoparticles fabricated by the same. According to an embodiment of the present specification, a method for fabricating metal nanoparticles comprises the following steps of: preparing hollow metal nanoparticles; coating at least a portion of a surface of the hollow metal nanoparticles; and segregating metal. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 36
08-06-2018 дата публикации

HOLLOW METAL NANOPARTICLE, CATALYST INCLUDING SAME, FUEL CELL, AND MANUFACTURING METHOD THEREOF

Номер: KR1020180062213A
Автор: KIM, KWANG HYUN, HWANG, GYO HYUN, KIM, SANG HOON, CHO, JUN YEON, CHOI, RAN, LEE, WON KYUN
Принадлежит:

The present specification relates to a hollow metal nanoparticle, a catalyst including the same, and a manufacturing method thereof. The hollow metal nanoparticle comprises: a hollow core part; a first shell part including an alloy of platinum and a transition metal; and a second shell part provided on the first shell part and made of platinum. Dissolution of a transition metal is suppressed in the hollow metal nanoparticle. COPYRIGHT KIPO 2018 ...

Подробнее
Номер записи: 37
23-03-2023 дата публикации

이산화탄소의 직접 수소화 반응용 촉매

Номер: KR20230040742A
Автор: 전기원, 민지은, 박해구, 김석기, 한승주, 최란
Принадлежит:

... 본 발명은 이산화탄소의 직접 수소화 반응용 촉매에 관한 것으로, 보다 상세하게는 이산화탄소의 직접 수소화 반응용 촉매로서 우수한 열전달 성능과 열적 기계적 물성을 가져 목적하는 탄화수소에 대한 높은 선택도와 전환율을 확보할 수 있는 이산화탄소의 직접 수소화 반응용 촉매에 관한 것이다.

Подробнее
Номер записи: 38
24-02-2016 дата публикации

METHOD TO FABRICATE METAL NANOPARTICLES

Номер: KR1020160020843A
Автор: CHOI, RAN, KIM, KWANG HYUN, BANG, JUNG UP, KIM, SANG HOON, HWANG, GYO HYUN, CHO, JUN YEON
Принадлежит:

The present invention relates to a method to fabricate metal nanoparticles. The method to fabricate metal nanoparticles comprises: a step of forming a solution including a solvent, metal salt, one or more types of surfactants, an amino acid, and a halide; and a step of forming metal nanoparticles by adding a reducing agent to the solution. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 39
20-10-2017 дата публикации

GRAPHENE OXIDE-CARBON COMPLEX AND METHOD FOR MANUFACTURING SAME

Номер: KR1020170116842A
Автор: LEE, WON KYUN, KIM, SANG HOON, HWANG, GYO HYUN, CHO, JUN YEON, KIM, KWANG HYUN, CHOI, RAN
Принадлежит:

The present specification relates to: (A) a porous structure including a polymer which comprises (a) graphene oxide and (b) a cationic functional group; and (b) a graphene oxide-carbon complex including carbon partially prepared on pores or the surface of the porous structure, and a method for manufacturing the same. COPYRIGHT KIPO 2017 (AA) Polymer (BB) Metal particles (CC) Graphene oxide (DD) Carbon black ...

Подробнее
Номер записи: 40
08-12-2015 дата публикации

AROMATIC SULFONATE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME

Номер: KR1020150136713A
Автор: JEON, YOUNG MIN, PARK, MI YOUNG, CHOE, RAN, LEE, NAM JIN, LEE, CHIL WON, KIM, JOON WOO
Принадлежит:

The present invention relates to an organic material having an aromatic sulfonate derivative form and an organic electroluminescent device using the same. The organic electroluminescent device of the present invention can obtain short-wavelength light emitting in high efficiency and has improved lifespan properties. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 41
16-02-2016 дата публикации

PRODUCING METHOD OF NANO PARTICLES SUPPORTED IN HYDROPHOBIC CARRIER AND NANO PARTICLES SUPPORTED IN CARRIER PRODUCED THEREBY

Номер: KR1020160017449A
Автор: CHO, JUN YEON, KIM, SANG HOON, HWANG, GYO HYUN, KIM, KWANG HYUN, CHOI, RAN
Принадлежит:

The present invention relates to a producing method of nano particles supported in a hydrophobic carrier and nano particles supported in a carrier produced thereby. The producing method of nano particles supported in a hydrophobic carrier comprises: a step of preparing nano particles; a step of modifying surfaces of nano particles by stirring a solution containing the nano particles, a non-polar solvent, an organic dispersing agent, and a non-polar solution containing acid, and transferring the nano particles to the non-polar solution; and a step of supporting the nano particles in a hydrophobic carrier by mixing the non-polar solution containing the nano particles and the hydrophobic carrier. COPYRIGHT KIPO 2016 ...

Подробнее
Номер записи: 42
18-01-2016 дата публикации

Functionalized carbon nanoparticle and functional polymer fiber using the same

Номер: KR0101586558B1
Автор: 김영규, 김화정, 이창석, 최란, 곽은주
Принадлежит: 경북대학교 산학협력단

... 본 발명은 탄소 나노입자의 표면에, 1개 이상의 하이드록시로 치환된 C5-10 아릴 또는 헤테로아릴로 개질된 기능화된 탄소 나노입자 및 이를 이용한 기능성 고분자 섬유에 관한 것으로, 본 발명에 따른 기능화된 탄소 나노입자는 고분자 섬유에 잘 결합될 수 있어, 고분자 섬유에 탄소 나노입자의 특성을 부여할 수 있으며, 따라서 고분자 섬유의 특성에 탄소 나노입자의 특성을 함께 부여할 수 있어, 고분자 섬유의 응용 분야를 더욱 확대할 수 있다.

Подробнее
Номер записи: 43
07-12-2018 дата публикации

연료전지용 팔라듐-백금 코어-쉘 촉매의 제조방법

Номер: KR0101926866B1
Автор: 노범욱, 황인철, 박준택, 최상일, 최란
Принадлежит: 현대자동차주식회사, 기아자동차주식회사, 한국과학기술원

... 본 발명은 연료전지용 팔라듐-백금 코어-쉘 촉매의 제조방법에 관한 것으로, 보다 상세하게는 팔라듐 코어 위에 에피택시얼(epitaxial)하게 성장한 백금 쉘 나노입자를 합성하고 이를 탄소지지체에 담지하여 수소연료전지용 팔라듐-백금 코어-쉘 촉매를 제조함으로써 균일한 크기로 대량 생산이 가능하며, 고가의 금속 사용량을 감소시켜 제조단가를 낮출 수 있고, 우수한 전기촉매적 활성과 내구성 가지는 고효율의 수소연료전지 분야에 적용할 수 있는 연료전지용 팔라듐-백금 코어-쉘 촉매의 제조방법에 관한 것이다.

Подробнее
Номер записи: 44
14-08-2017 дата публикации

금속 나노입자의 제조방법

Номер: KR0101768275B1
Автор: 최란, 김광현, 방정업, 김상훈, 황교현, 조준연
Принадлежит: 주식회사 엘지화학

... 본 명세서는 금속 나노입자의 제조방법에 관한 것이다.

Подробнее
Номер записи: 45
10-11-2017 дата публикации

CARRIER-NANOPARTICLE COMPLEX, CATALYST INCLUDING SAME, AND MANUFACTURING METHOD THEREOF

Номер: KR1020170124386A
Автор: CHO, JUN YEON, KIM, KWANG HYUN, HWANG, GYO HYUN, KIM, SANG HOON, CHOI, RAN, LEE, WON KYUN
Принадлежит:

The present invention relates to a carrier-nanoparticle complex, a catalyst including the same, an electrochemical cell or fuel cell including the catalyst, and a manufacturing method thereof. The carrier-nanoparticle complex of the present invention includes: a carbon carrier; a polymer layer which is included in the surface of the carbon carrier and has an amine group and a hydrogen ion exchanger represented by chemical formula 12, -SO_3^-X; and metal nanoparticles which are included on the polymer layer. In chemical formula 12, the X is a monovalent cationic group. The carrier-nanoparticle complex according to an embodiment of the present invention has excellent dispersibility of metal nanoparticles, has excellent thermal stability, and can increase the utilization of metal nanoparticles by transferring proton to an active metal site well. COPYRIGHT KIPO 2017 ...

Подробнее
Номер записи: 46