Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Jeong-hee Lee

Tae-Won Jeong

Seoung-jae Im

Se-gi Yu

Tae-Hyung Kim

Jeong-na Heo

Tae-gon Kim

Whi-kun Yi

Jung-Na Heo

Chang-soo Lee

Ho-suk Kang

Chan-ho Pak

Dong-min Im

Yoon-chul Son

Yong-nam Ham

Shang-Hyeun Park

Jae-young Choi

Sung-Jin Kim

Han-su Kim

Sang-Hyun Lee

Yong-wan Jin

Sang-Ho Park

Young-Hee Lee

Seok-gwang Doo

Chul-Min Jung

Hang-Woo Lee

Kay-hyeok An

Won-tae Lee

Kyeong-rae Kim

You-jong Kim

Hee-chul Park

Ji-beom Yoo

Won-Seok Kim

In-taek Han

Wong-bong Choi

Chil-min Jung

Kee-sik Ahn

A composite protective layer for a photoelectrode, the composite protective layer including a chemical protective layer; and a physical protective layer, wherein the chemical protective layer has corrosion rate of 0.1 Coulombs per square centimeter per 10 hours or less when evaluated at a water decomposition potential, and the physical protective layer has a moisture transmittance rate of 0.001 grams per square meter per day or less and has an electrical conductivity.

Composite protective layer for photoelectrode structure, photoelectrode structure including the composite protective layer, and photoelectrochemical cell including photoelectrode structure

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 visible light sensitive photocatalyst including: a composite including a first metal oxide, a second metal oxide, and a heterojunction therebetween, wherein the first and second metal oxides each include a Group 11 metal, wherein a first bond between metal atoms of the first metal oxide has a length that is smaller than a Van der Waals distance between the metals of the first bond, wherein a second bond between metal atoms of the second metal oxide has a length that is smaller than a Van der Waals distance between the metals of the second bond, and, wherein the composite has a band gap energy of about 1.0 eV to about 2.5 eV.

Visible light sensitive photocatalyst, method of producing visible light sensitive photocatalyst, and electrochemical water decomposition cell and organic material decomposition system each including visible light sensitive photocatalyst

A light absorbing layer for a photoelectrode structure, the light absorbing layer including copper oxide, wherein metallic copper (Cu) is present at a grain boundary of the copper oxide. Also, a photoelectrode structure including the light absorbing layer, a photoelectrochemical cell including the photoelectrode structure, and a solar cell including the light absorbing layer.

Light absorbing layer for photoelectrode structure, photoelectrode structure including the same, and photoelectrochemical cell including the photoelectrode structure

A water splitting oxygen evolving catalyst including: a metal oxide particle including a metal oxide represented by Formula 1:CoMO&#x2003;&#x2003;Formula Iwherein M is at least one selected from Al, In, Ga, Si, and Sn, x and y respectively satisfy the inequalities 0&#x2266;x&#x3c;0.5 and 1&#x3c;y&#x3c;2, and the metal oxide particle is in the form of a flake.

Water splitting oxygen evolving catalyst, method of preparing the catalyst, electrode having the catalyst, and water splitting oxygen evolving device having the electrode

An electrolyte membrane for a lithium battery, the electrolyte membrane including: a matrix including a polymerization product of a (meth)acrylate monomer composition; and a porous metal-organic framework dispersed in the matrix, wherein the metal-organic framework includes a crystalline compound including a metal ion or metal ion cluster which is chemically bound to an organic ligand, and a liquid electrolyte including a lithium salt and a nonaqueous organic solvent.

Electrolyte membrane for lithium battery, lithium battery using the electrolyte membrane, and method of preparing the electrolyte membrane

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

Porous carbon materials and methods of manufacturing the same are provided. One method includes forming a carbon-metal oxide composite by heating a coordination polymer to form a carbon-metal oxide composite, and then removing the metal oxide from the carbon-metal oxide composite. The porous carbon material has an average pore diameter ranging from about 10 nm to about 100 nm, and a dranging from about 3.35 to 3.50 &#x212b;.

Porous carbon material and method of manufacturing the same

Carbon nanotubes have an R value of at least 1.3, where R is defined as the ratio (I/I) of an integral value of D band intensity (I) to an integral value of G band intensity (I) in the Raman spectrum. Such carbon nanotubes can be used to form a support catalyst with good catalyst activity because the surface defects on the carbon nanotubes promote improved catalyst distribution in that the support catalyst includes catalyst particles having a small mean particle size and a slight variation in particle size. Such a support catalyst has particularly useful properties when used as a catalyst layer for a fuel cell electrode.

Carbon nanotube, support catalyst, method of preparing the support catalyst and a fuel cell comprising the support catalyst

A carbon-metal composite material which has improved conductivity, specific surface area, regularity, a shape which is easily controlled, and a process of preparing the same. The carbon-metal composite material which includes carbon and metal, has a sheet resistance of 8 m&#x3a9;/sq. or less under a pressure of 100 kg/cm, a specific surface area of 30 m/g or greater, and shows an X-ray pattern having at least one peak at d-spacings of 6 nm or greater.

Carbon-metal composite material and process of preparing 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

In a method of manufacturing a field emitter, a patterned conductive layer is formed on a substrate, an upper surface of the conductive layer is coated with a mixture of a field emission material and metal powder, the mixture is thermally treated to improve adhesion of the mixture to the conductive layer, and a field emission material and a metal deposited on a portion of the substrate other than the conductive layer are removed. Accordingly, the lifespan and field emission characteristic of the field emitter are greatly improved, and a large area field emitter having excellent characteristics that cannot be realized in the conventional art is fabricated.

Method of manufacturing field emitter

A carbon nanotube manufacturing method is provided. In the carbon nanotube manufacturing method, carbon nanoparticles are dispersed in a strong acid solution and heated at a predetermined temperature under reflux to form carbon nanotubes from the carbon nanoparticles. The carbon nanotubes can be simply produced on a mass-scale at low costs by using the strong acid solution.

Method for manufacturing carbon nanotubes

An electron amplifier and a method of manufacturing the same are provided. The electron amplifier includes a substrate in which a plurality of through holes are formed, a resistive layer deposited on the sidewalls of the through holes, an electron emissive layer including carbon nanotubes which is deposited on the resistive layer, and an electrode layer formed on each of the upper and lower sides of the substrate. Because the electron emissive layer of the electron amplifier is uniform and provides a high electron emission efficiency, the electron amplification efficiency is improved. The electron amplifier manufacturing method enables economical mass production of electron amplifiers.

Growing community of inventors

Seongnam-si, South Korea

Jeong-hee Lee