Lg Chem, Ltd

Gtscien Co., Ltd

Jun Yeon Cho

Sang Hoon Kim

Gyo Hyun Hwang

Kwanghyun Kim

Ran Choi

Wonkyun Lee

Jae Hoon Choe

Kwang Cheon Park

Jung Hyun Seo

Jun Seon Choi

Kwang Ho Song

Jung Uk Choi

Jungup Bang

Chang Houn Rhee

Yoo Seok Kim

Yeon Kyun Kang

Sung Kwan Je

Sojin Kim

Sun Hyuk Bae

Jae Soon Choi

Sangjin Kim

Young Woon Kwon

Sun Hvuk Bae

Man Sung Jeong

Gyea-Young Kwak

Suji Kim

A hazardous gas purification device with a built-in purification system is disclosed. The disclosed present invention is characterized in that it comprises a body case provided with an intake port for sucking hazardous gas on the upper side, provided with an exhaust port for discharging purified air to the outside on the lower side, and provided with an accommodating part provided between the intake port and the exhaust port on the inside; a pre-filter for filtering out large particles of dust and foreign substances contained in the hazardous gas introduced through the intake port; and a modular purification system, in a state of being installed in the accommodating part, for sterilizing viruses while filtering hazardous substances and fine particulate foreign substances contained in the hazardous gas introduced through the intake port, wherein the purification system consists of a three-dimensional filter for three-dimensionally filtering volatile organic compounds contained in the hazardous gas passed through the pre-filter from four directions; a pressure-feed fan, in a state of being disposed below the three-dimensional filter, for sucking hazardous gas through the intake port and forcibly discharging purified air through the exhaust port; a UV lamp disposed below the pressure-feed fan and for irradiating the pressure-feed fan and the hazardous gas with ultraviolet rays to sterilize harmful viruses; a HEPA filter disposed below the UV lamp and for filtering fine particles in the hazardous gas that is not filtered by the pre-filter; and a flat plate filter disposed below the HEPA filter and for filtering the remaining amount of volatile organic compounds that are not filtered by the three-dimensional filter.

Hazardous gas purification device with built-in purification system

A carrier-nanoparticle complex including: a carbon carrier; a polymer layer provided on a surface of the carbon carrier; and metal nanoparticles provided on the polymer layer, a catalyst including the same, an electrochemical cell or a fuel cell including the catalyst, and a method for preparing the same.

Support-nanoparticle composite, catalyst containing same, and fabrication method therefor

A method for preparing a support for an electrode catalyst including forming first and second polymer layers having charges different from each other on a surface of a carbon support and carbonizing the result, wherein the polymers included in the first and the second polymer layers are an aromatic compound including a heteroatom, and the first or the second polymer includes a pyridine group.

Method for producing carrier for electrode catalyst, precursor of carrier for electrode catalyst, and carrier for electrode catalyst, comprising same

The present specification relates to a carrier-nanoparticle complex, a catalyst including the same, an electrochemical cell or a fuel cell including the catalyst, and a method for preparing the same.

Catalyst and method for preparing the same

A method for preparing a catalyst for a fuel cell including performing a first supporting; separating particles unsupported in the first supporting; heat treating; and performing a second supporting, and a catalyst for a fuel cell prepared using the same.

Method for producing fuel cell catalyst, and fuel cell catalyst produced thereby

A carrier-nanoparticle complex including 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 provided on the polymer layer, a catalyst including the same, an electrochemical battery or a fuel cell including the catalyst, and a method for preparing the same.

Carrier-nanoparticle composite, catalyst comprising same, and method for producing same

The present specification relates to a carrier-nanoparticle complex, a preparation method therefor, and a membrane electrode assembly including the same.

Carrier-nanoparticle complex, preparation method therefor, and membrane electrode assembly including same

The present specification relates to a fuel cell and a method for manufacturing the same.

Fuel cell and method for manufacturing same

The present specification relates to a method for fabricating metal nanoparticles.

Method for fabricating metal nanoparticles

The present specification relates to a carrier-nanoparticle complex, a method for preparing the same, and a catalyst comprising the same.

Carrier-nanoparticle complex, method for preparing same, and catalyst comprising same

The present specification relates to a carrier-nanoparticle complex, a catalyst including the same, an electrochemical battery or a fuel cell including the catalyst, and a method for preparing the same.

Carrier-nanoparticle composite, catalyst containing same, and method for producing same

The present specification relates to a carrier-nanoparticle complex and a preparation method thereof.

Carrier-nanoparticle complex and preparation method thereof

The present application relates to a fuel cell and a method of manufacturing the same.

Growing community of inventors

Daejeon, South Korea

Jun Yeon Cho