Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Korea University Research and Business Foundation

Korea University Industrial Academic Collaboration Foundation

Jeong-na Heo

Ho-suk Kang

Jeong-Hee Lee

Yoon-chul Son

Yong-Chul Kim

Jeong-hee Lee

Tae-won Jeong

In-Taek Han

Shang-hyeun Park

Byeong-kwon Ju

Tae-Won Jeong

Sang-Kook Mah

Dong-min Im

Soo-suk Lee

Chan-Wook Baik

Deuk-seok Chung

Ha-jin Kim

Seok-gwang Doo

Soo-hyung Choi

Jung-Im Han

Shang-Hyeun Park

Woo-Sung Cho

Kyoung-Won Min

A composite anode active material, a method of preparing the composite anode active material, and a lithium battery including the lithium battery. According to the method of preparing the composite anode active material, carbon nanotubes are formed on a Si particle without a separate operation of applying a catalyst. Furthermore, high adherence is provided between the Si particle and carbon nanotubes, and therefore the composite anode active material is used as an anode material of the lithium battery.

Composite anode active material, method of preparing the composite anode active material, and lithium battery including the composite anode active material

A composite anode active material including metal core particles and carbon nanotubes that are covalently bound to the metal core particles, an anode including the composite anode active material, a lithium battery employing the anode, and a method of preparing the composite anode active material.

Composite anode active material, anode including the composite anode active material, lithium battery including the anode, and method of preparing the composite anode active material

An anode active material for lithium batteries, an anode including the anode active material, a method of manufacturing the anode, and a lithium battery including the anode. The anode active material includes secondary particles formed of agglomerated primary nanoparticles. The primary nanoparticles include a non-carbonaceous material bound with hollow carbon nanofibers. The anode includes the anode active material and a polymeric binder having an electron donor group.

Anode active material, anode including the anode active material, method of manufacturing the anode, and lithium battery including the anode

Provided are a carbon fiber including a carbon fiber core coated with a metal oxide film, and a light-emitting device including the carbon fiber. A method of manufacturing the carbon fiber is disclosed.

Carbon fiber including carbon fiber core coated with dielectric film, and fiber-based light emitting device including the carbon fiber

A field electron emitter including a metal electrode; and a plurality of carbon nanotubes, wherein a portion of the plurality of carbon nanotubes protrude from a surface of the metal electrode and a portion of the plurality of carbon nanotubes are in the metal electrode. Also disclosed is a field electron emission device including the field electron emitter and a method of manufacturing the field electron emitter.

Field electron emitter, field electron emission device including the same, and method of manufacturing the field electron emitter

A field electron emitter includes a thin film layer including a carbon nanotube ('CNT') disposed on a substrate, wherein the thin film layer includes nucleic acid.

Field electron emitter including nucleic acid-coated carbon nanotube and method of manufacturing the same

A carbon nanotube, a method of preparing the same, a supported catalyst including the same, and a fuel cell using the supported catalyst are provided. The method of preparing the carbon nanotube includes: depositing a metal catalyst in single wall nanotubes and growing multi wall nanotubes over the single wall nanotubes using the metal catalyst. The carbon nanotubes of the present invention have satisfactory specific surface area and low surface resistance. Thus, the carbon nanotubes perform remarkably better than a conventional catalyst carrier. Accordingly, the carbon nanotubes, when used as a catalyst carrier of an electrode for a fuel cell, can improve the electrical conductivity of the fuel cell. In addition, a fuel cell employing the electrode has excellent efficiency and overall performance.

Carbon nanotubes, supported catalyst including the same, and fuel cell using the supported catalyst

A carbon nanotube ('CNT') gas sensor includes a substrate, an insulating layer formed on the substrate, electrodes formed on the insulating layer, and CNT barriers that protrude higher than the electrodes in spaces between the electrodes to form gas detecting spaces. A method of manufacturing the gas sensor includes forming an insulating layer on a substrate, forming an electrode pattern on the insulating layer, coating CNT paste having a thickness greater than a thickness of electrodes in the electrode pattern on the electrodes and the insulating layer, and patterning and firing the carbon nanotube paste, including using a photolithography method, to retain only portions of the CNT paste coated on spaces between the electrodes.

Carbon nanotube gas sensor and method of manufacturing the same

Provided are a method of coating a catalyst metal layer by using a nucleic acid, and a method of forming nanocarbon using the method of coating a catalyst metal layer. The method of coating a catalyst metal layer includes preparing an aqueous solution; the aqueous solution including ions of a transition metal and a nucleic acid; disposing a carbon matrix including carbon, in the aqueous solution, and disposing a catalyst metal layer including a transition metal on a surface of the carbon matrix.

Method of coating catalyst metal layer by using nucleic acid and method of forming nanocarbon by using the method of coating the catalyst metal layer

Carbon nanotubes and metal particle-containing carbon nanotubes are provided. The carbon nanotubes have increased surface area. A method of cutting carbon nanotubes is also provided. According to the method, the dispersion properties of the carbon nanotubes are improved by simplifying the structural changes and/or surface modifications of the carbon nanotubes, thereby enabling insertion of an active substance into the inner walls of the carbon nanotubes and increasing the insertion efficiency.

Method of cutting carbon nanotubes

A method for driving a field emission device (FED) applies an alternating (AC) voltage as a driving voltage for emitting electrons in a field emission device comprising cathode electrode including an emitter and an anode electrode facing the cathode electrode. A method for aging an FED uses a constant voltage so that electrons cannot be emitted from the electron emission source, and an AC voltage so that electrons can be periodically emitted from the emitter when the FED is aged.

Method of driving field emission device (FED) and method of aging FED using the same

A method of fabricating spacers for use in a flat panel device includes: preparing a core glass having a low solubility in a chemical etching solution and a tube glass having a high solubility in the chemical etching solution and having a larger inner diameter than an outer diameter of the core glass; inserting the core glass into the tube glass to obtain a cylindrical glass; drawing the cylindrical glass at a predetermined temperature until the core glass has a predetermined diameter; cutting the drawn cylindrical glass to a predetermined length; and removing the tube glass in the cylindrical glass using the chemical etching solution.

Method of fabricating spacers and method of installing spacers in flat panel device

A method of forming emitters and a method of manufacturing a Field Emission Device (FED) using the method includes: forming a volume-changeable structure on an electrode, the volume-changeable structure composed of a polymer which reversibly swells and shrinks in response to an external stimulus; injecting an electron-emitting material into the volume-changeable structure; aligning the electron-emitting material; and removing the polymer to form the emitters.

Growing community of inventors

Yongin-si, South Korea

Jeong-na Heo