Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Korea Advanced Institute of Science and Technology

Soongsil University

Vinatech Co., Ltd.

Jin Seong Choi

Kook Il Han

Ji Hoon Yang

Bum Wook Roh

Geon Hee Cho

Jin Woo Lee

Young Woo Lee

Yong Min Kim

In Chul Hwang

Jun Tae Kim

Yoon Hwan Cho

Young-Taek Kim

Kyung Won Park

Hoon Hui Lee

Dae Yong Son

Dong Hwan Yoon

Dae-Yong Son

Seung Ho Yu

Mi Hye Yi

Yoon-Hwan Cho

Han Gi Jeong

Ah Ryeon Lee

Seong Min Yuk

Sang Beom Han

Shin Jang

Jin Su Hyun

Ji Young Kim

Hyo Jong Kim

Provided is a slot die coating device, and more specifically, a slot die coating device in which negative pressure generation is applied into a slot die and a method of using the same. The slot die coating device includes a first main body including a first surface, a second main body including a second surface corresponding to the first surface, and located to be spaced apart from the first surface by a regular interval, a main body unit including a head lip that is a space between the first surface and the second surface, and a negative pressure generation unit installed on at least one of the first main body and the second main body.

Slot die coating device to which negative pressure generation is applied and method of using the same

The present invention provides a method for manufacturing a catalyst for a fuel cell which may not be poisoned by an ionomer. Specifically, the method includes: loading a catalyst on a support, coating a carbon layer having a predetermined thickness on the surface of the support, and exposing the catalyst to the outside by removing at least a part of the carbon layer.

Method for manufacturing catalyst for fuel cell not poisoned by ionomer

Disclosed are a method of manufacturing a carbon support for a fuel cell catalyst, a carbon support for a fuel cell catalyst manufactured according to the method, and a catalyst for a fuel cell including the same. The method may include using various organic materials containing N and various carbon supports and thus provide excellent economic feasibility. In addition, pyridinic N and pyrrolic N of doped N can be adjusted at an optimal content ratio so that the carbon support for a fuel cell catalyst manufactured and the catalyst for a fuel cell including the same have excellent electrochemical resistance and excellent electrochemical characteristic due to an increase in an electrochemically active surface area, and excellent durability due to an increase in thermal durability.

Carbon support for fuel cell catalyst and method of manufacturing the same

Disclosed herein is a method of manufacturing a support for a catalyst of a fuel cell. The method may include preparing an admixture including a carbon material and a cerium precursor into a reactor, providing the admixture in a reactor, raising a temperature of the reactor to a predetermined temperature, and introducing water vapor into the reactor to perform an activation reaction of the carbon material.

Manufacturing method of support for catalyst of fuel cell

Disclosed is a method of manufacturing a membrane-electrode assembly for fuel cells. The method includes (a) admixing a metal catalyst, an ionomer and a first dispersion solvent to prepare a first admixture, (b) heat treating the first admixture prepared in (a) to form an ionomer-fixed metal catalyst, and (c) immersing the ionomer-fixed metal catalyst formed in (b) in a solvent, wherein the solvent in (c) may include one or more selected from the group consisting of ethanol, propanol, and isopropyl alcohol. The membrane-electrode assembly for fuel cells manufactured by the method may have substantially improved durability.

Method of manufacturing membrane-electrode assembly for fuel cells

A method for manufacturing a catalyst support includes: heat-treating a crystalline carbon support in a temperature range from 700&#xb0; C. to 1100&#xb0; C. under a vapor atmosphere to increase a specific surface area of the carbon support; and applying a magnetic field to the increased specific surface area of the carbon support to remove an impurity.

Method for manufacturing catalyst support, catalyst support manufactured thereby, and catalyst for fuel cell including the same

A method for manufacturing an electrode for a fuel cell includes a mixing step of producing a first mixed solution by mixing a carbon support, a metal catalyst, a binder and a first dispersion solvent, a drying step of producing a first mixed solution dried body by drying the first mixed solution, a heat treatment step of heating the first mixed solution dried body, a second mixed solution production step of producing a second mixed solution by dissolving the heat-treated first mixed solution dried body in a second dispersion solvent, and a release paper coating step of producing an electrode by coating the second mixed solution onto a release paper, and then drying the second mixed solution.

Method for manufacturing electrode for fuel cell and electrode manufactured thereby

Titanium suboxide (TiO) nanoparticles useful as a support for a catalyst electrode of a fuel cell, and a method for synthesizing the titanium suboxide (TiO) nanoparticles by using TiO, a Co catalyst and hydrogen gas at a low temperature ranging from 600 to 900&#xb0; C. are described Since the titanium suboxide nanoparticles show high corrosion resistance to acid and durability and have excellent thermal and electric conductivities, a catalyst electrode manufactured by using the same as a support exhibits improved catalytic activity and oxidation reduction (redox) properties.

Titanium suboxide supports for catalyst electrode of fuel cell and low temperature synthesis of titanium suboxide

Growing community of inventors

Yongin-si, South Korea

Jin Seong Choi