Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Korea Advanced Institute of Science and Technology

Seon-ah Jin

Chan-ho Pak

Kang-hee Lee

Dae-jong Yoo

Kyung-jung Kwon

Kyo-Sung Park

Hyun-chul Lee

Jong-Won Lee

Jun-ho Lee

Sang-min Ji

Seung-Jae Lee

Ki-Hyun Kim

Hyun Chul Lee

Victor Roev

Seong-woo Choi

Doo-hwan Lee

Doo-Hwan Lee

Seung-Yeon Lee

Sung-hyeon Park

Chang-hyuck Choi

Sang Min Ji

Jeong-Gil Seo

Seong-ihi Woo

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 method of converting COmay include mixing a reducing material reforming agent including one selected from a reaction product of a COabsorbing material (C) and CO, a reaction product of a COabsorbing material (C), CO, and HO, and a combination thereof with a reducing material to provide a COconverting material (also referred to herein as a COconverted material). The COabsorbing material (C) may include one selected from a metal, a metal oxide, a metal carbonate, a metal bicarbonate, and a combination thereof.

Method of converting carbon dioxide, and method of capturing and converting carbon dioxide

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

An electrode catalyst for a fuel cell, the electrode catalyst including a catalyst particle including palladium, gallium, and cerium.

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

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

A porous oxide catalyst includes porous oxide, and an oxygen vacancy-inducing metal which induces an oxygen vacancy in a lattice structure of a porous metal oxide.

Porous oxide catalyst and method of preparing the porous oxide catalyst

An electrolytic membrane for a fuel cell including a crystalline organic and inorganic porous composite, an electrode for a fuel cell including a crystalline organic and inorganic porous composite, and a fuel cell including the electrolytic membrane and/or the electrode.

Electrolytic membrane comprising a crystalline organic and inorganic porous composite for fuel cell, electrode and fuel cell, and fuel cell including the electrolytic membrane and/or the electrode

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 mesoporous oxide-catalyst complex including: a mesoporous metal oxide; and a catalyst metal supported on the mesoporous metal oxide, wherein the catalyst on the mesoporous metal oxide has a degree of dispersion of about 30 to about 90 percent.

Mesoporous oxide-catalyst complex and method of preparing the mesoporous oxide-catalyst complex

A hybrid porous material including at least a first and a second porous material portion which are chemically bonded to each other and are each a different type of material.

Hybrid porous material and methods of preparing the same

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.

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Pocheon-si, South Korea

Seon-ah Jin