Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Samsung Display Co., Ltd.

Kang-hee Lee

Hyun-chul Lee

Chan-ho Pak

Seon-ah Jin

Doo-hwan Lee

Dae-jong Yoo

Kyung-jung Kwon

Soon-ho Kim

Doo-Hwan Lee

Eun-duck Park

Jin Seong Heo

Jong-Won Lee

Jun-ho Lee

Mi-Young Joo

Yun-ha Kim

Myung-Hee Han

Tae-Kyoung Kang

Victor Roev

Shigeru Hayashi

Seung-Ho Park

Soo-Hyun Kim

Tae-sang Park

Do-young Seung

Jae-hyun Park

Seung-Yeon Lee

Kyo-Sung Park

Eun-yong Ko

Hyun-Seok Nam

Noriaki Watanabe

Takami Higashi

Nobuya Kanamaru

A fuel cell electrode catalyst including an active complex including a cerium (Ce)-nitrogen (N) bond and having an oxygen reduction activity. Also, a method of preparing a fuel cell electrode catalyst, the method including providing a pre-catalyst including a pre-active complex having a cerium-oxygen bond; and thermally treating the pre-catalyst in the presence of a nitrogen-containing material at a temperature of from about 700&#xb0; C. to about 2000&#xb0; C. to prepare the electrode catalyst, the electrode catalyst including an active complex comprising a cerium-nitrogen bond. Also a fuel cell membrane-electrode assembly, the membrane-electrode assembly including: a cathode; an anode disposed opposite to the cathode; and an electrolyte membrane disposed between the cathode and the anode, at least one of the anode and the cathode including the fuel cell electrode catalyst.

Electrode catalyst for fuel cell, method of preparing the same, and membrane electrode assembly and fuel cell, each including the same

A composite including: a carbonaceous material; and a solid solution including a first metal and a cerium oxide, wherein the solid solution is disposed on the carbonaceous material.

Composite, catalyst including the same, fuel cell and lithium air battery including the same

A display device and method of adjusting luminance of a logo region of an image displayed on the same are disclosed. In one aspect, the display device includes a display panel configured to display an image including a logo region and a display driving integrated circuit configured to detect a logo estimate region of the image and determine a logo surrounding region that surrounds the logo estimate region. The integrated circuit is further configured to analyze a histogram of the logo surrounding region so as to determine a background maximum luminance, determine a high-gray-scale maximum luminance of the logo estimate region based on the background maximum luminance and adjust a gamma curve of the logo estimate region.

Display device and method of adjusting luminance of a logo region of an image displayed on the same

A method of operating display device includes initializing an image display reference coordinate as a random coordinate among coordinates included in a shift pattern when power is applied to the display device, shifting the image display reference coordinate from the random coordinate along the shift pattern, and displaying an input image to a display panel included in the display device based on the image display reference coordinate.

Display device and method of operating display device including shifting an image display reference coordinate

A method for removing organic materials includes providing a target object having the organic materials adsorbed thereon, and an adsorbent, into a space including a non-liquid medium therein; and separating the organic materials from the target object by applying ultrasound waves to the target object having the organic materials adsorbed thereon and the adsorbent in the space, and disposing the organic materials to the adsorbent.

Method and apparatus for removing organic materials

A catalyst including active particles that have a core including a first metal oxide, and a shell including an alloy of a second metal with a reduction product of the first metal oxide; a method of preparing the catalyst; a fuel cell including the catalyst; an electrode for lithium air battery that includes the active particles; and a lithium air battery including the electrode.

Catalyst including active particles, method of preparing the catalyst, fuel cell including the catalyst, electrode including the active particles for lithium air battery, and lithium air battery including the electrode

A composite including a metal having oxygen-reducing activity, nitrogen and carbon, the composite comprising polyhedral particles, an electrode catalyst including the composite, a method of preparing the composite, and a fuel cell using the composite.

Composite, electrode catalyst including the composite, method of preparing the composite, and fuel cell including the composite

An electrode catalyst for fuel cell, a method of preparing the electrode catalyst, a membrane electrode assembly including the electrode catalyst, and a fuel cell including the membrane electrode assembly. The electrode catalyst includes a crystalline catalyst particle incorporating a precious metal having oxygen reduction activity and a Group 13 element, where the Group 13 element is present in a unit lattice of the crystalline catalyst particle.

Electrode catalyst for fuel cell, method of preparation, MEA including the catalyst, and fuel cell including the MEA

An electrode catalyst for a fuel cell includes a complex support including at least one metal oxide and carbon-based material; and a palladium (Pd)-based catalyst supported by the complex support. A method of manufacturing the electrode catalyst includes dissolving a precursor of a palladium (Pd)-based catalyst in a solvent and preparing a mixture solution for a catalyst; adding a complex support including at least one metal oxide and a carbon-based material to the mixture solution for a catalyst and stirring the mixture solution to which the complex support is added; drying the mixture solution for a catalyst, to which the complex support is added, in order to disperse the precursor of the Pd-based catalyst on the complex support; and reducing the precursor of the Pd-based catalyst dispersed on the complex support. A fuel cell includes the electrode catalyst.

Electrode catalyst for fuel cell, method of manufacturing the same, and fuel cell using the electrode catalyst

Electrode catalysts for fuel cells, a method of manufacturing the same, a membrane electrode assembly (MEA) including the same, and a fuel cell including the MEA are provided. The electrode catalysts include a first catalyst alloy containing palladium (Pd), cobalt (Co), and phosphorus (P), a second catalyst alloy containing palladium (Pd) and phosphorus (P), and a carbon-based support to support the catalysts.

Electrode catalyst for fuel cell, method of manufacturing the same, membrane electrode assembly including the electrode catalyst, and fuel cell including the membrane electrode assembly

A hydrocarbon reforming catalyst, a method of preparing the hydrocarbon reforming catalyst, and a fuel cell including the hydrocarbon reforming catalyst. The hydrocarbon reforming catalyst includes an oxide support as well as a nickel active catalyst layer, a metal oxide, an alkali metal supported by the oxide support.

Hydrocarbon reforming catalyst, method of preparing the same and fuel cell including the hydrocarbon reforming catalyst

Non-platinum (Pt) electrode catalysts for fuel cells, methods of manufacturing the same, and fuel cells including the non-Pt electrode catalysts. Each of the non-Pt electrode catalysts for fuel cells includes at least palladium (Pd) and iridium (Ir), and further includes a metal, oxide of the metal, or mixture thereof for compensating for the activity of Pd and Ir.

Electrode catalyst for fuel cell comprising palladium and iridium, method of preparing electrode catalyst, and fuel cell using electrode catalyst

An electrode catalyst for fuel cells, a method of preparing the electrode catalyst, and a fuel cell including the electrode containing the electrode catalyst have been improved. The electrode catalyst includes a beryllium (Be) oxide catalyst, which oxidizes carbon monoxide included in a fuel gas into carbon dioxide, and a platinum (Pt) based catalyst. Thus, loss in catalytic activity of the Pt-based catalyst due to carbon monoxide is decreased, and the activity and life of the fuel cell including the electrode catalyst are improved.

Electrode catalyst for fuel cells, method of preparing the electrode catalyst, and fuel cell including electrode containing the electrode catalyst

A fuel processor includes a reformer that generates hydrogen gas by reacting a fuel source and water; a burner that heats the reformer to a temperature suitable for a hydrogen generation reaction; a CO shift reactor that removes CO generated during the hydrogen generation reaction in the reformer; a heating element for heating the CO shift reactor; and a cooling element for cooling the CO shift reactor, wherein the cooling element comprises at least one of a cooling water flow line for heat exchange with the CO shift reactor when cooling water flows through the cooling water flow line and a cooling gas flow line for heat exchange with the CO shift reactor when a cooling gas, which is a burner exhaust gas that has heat exchanged with cooling water, flows through the cooling gas flow line. When the fuel processor is operated, a stable CO removal performance can be maintained since the temperature of the CO shift reactor can be actively controlled.

Fuel processor having temperature control function for co shift reactor and method of operating the fuel processor

A fuel reformer burner in which fuel gas and anode-off-gas (AOG) may be burned and backfire may be prevented during combustion of AOG includes a fuel supply portion, an anode-off-gas (AOG) supply portion; and a combustion air supply portion. The fuel supply portion and the AOG supply portion are arranged inside the combustion air supply portion, which is formed to extend beyond the discharge sides of the fuel supply portion and the AOG supply portion.

Growing community of inventors

Suwon-si, South Korea

Kang-hee Lee