Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Seoul National University

University of California

Korea Advanced Institute of Science and Technology

Postech Academy-industry Foundation

Nagoya University

Samsung Sdi., Ltd.

Chan-ho Pak

Hyuk Jae Chang

Dae-jong Yoo

Ji-man Kim

Kang-hee Lee

Seon-ah Jin

Seol-Ah Lee

Kyung-jung Kwon

Ki-Hyun Kim

Pil-won Heo

Sang-hoon Joo

Jian Nong Wang

Jae-young Choi

Jong-Chan Lee

Sang-Cheol Park

Sang Hoon Joo

Kay-hyeok An

Hyung-Ik Lee

Hyung-ik Lee

Kihyun Kim

Jae-Yong Lee

Jong-Won Lee

Seong-woo Choi

Won-bong Choi

Hae-kyoung Kim

Jeong-hee Lee

Young-hee Lee

Ji-rae Kim

Jeong-Hee Lee

Qin Xin

Sung-kon Kim

Jae-uk Chu

Luhua Jiang

Ji-Man Kim

Sang-hyuk Suh

Ju-hee Cho

Seol Ah Lee

Eun-ju Ra

Sungho Jin

Sung-Jin Kim

Jai-kwang Shin

Dong-min Im

Han-su Kim

Jun-ho Lee

Victor Roev

Hyun-chul Lee

Jae-sung Lee

Sung-hoon Lee

Soon-ho Kim

Doo-hwan Lee

Seung-jae Lee

Young-Hee Lee

Woo-sung Jeon

Jeong-kuk Shon

Seok-gwang Doo

Gongquan Sun

Eun-duck Park

Li-Han Chen

Kyoung-Hwan Choi

Sang-kyun Kang

Xiang-Rong Ye

Yong-nam Ham

Chang-bin Lim

Kyo-Sung Park

Eun-yong Ko

Sung-hyeon Park

Yoon-hoi Lee

Kyoung-hwan Choi

Yeong-Suk Choi

Takashi Hibino

Dong-jin Ham

Dae-jung Yoo

Jin-hoe Kim

Gongguan Sun

Seong-ihi Woo

Chang-hyuck Choi

Jeong-kuk Sohn

Soo-sung Kong

Dae-jong You

Sueng-hoon Han

Gang-hong Bae

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 polymer including a reaction product of a sulfonated polyarylene ether sulfone and at least one compound selected from a sulfonated compound having a thiol group at a terminal thereof and a sulfonated compound having a hydroxy group at a terminal thereof.

Polymer, electrolyte membrane and electrode for a fuel cell, each including the polymer, fuel cell including at least one of the electrolyte membrane, and the electrode

An electrode catalyst for a fuel cell, a membrane electrode assembly including the electrode catalyst, and a fuel cell including the electrode catalyst. The electrode catalyst has excellent electrochemical activity compared to the currently commercially available Pt/C catalyst and is much cheaper than a catalyst using platinum. The electrode catalyst includes tungsten carbide having a specific surface area of about 10 to about 30 m/g, and a metal catalyst comprising palladium (Pd) or palladium alloy.

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

An electrolyte membrane for a fuel cell includes: an inorganic ionic conductor including a trivalent metal element, a pentavalent metal element, phosphorous, and oxygen; and a polymer.

Electrolyte membrane for fuel cell, electrode for fuel cell, and fuel cell employing the same

A polymer comprising a first repeating unit represented by Formula 1: wherein Rto Rand Arin Formula 1 are defined in the specification.

Polymer, a method of preparing the same, composite prepared from the polymer, and electrode and composite membrane each including the polymer or the composite

A composite support including: an ordered mesoporous carbon including mesopores having an average diameter of about 2 nanometers to about 8 nanometers; and silicon carbide dispersed in the ordered mesoporous carbon.

Composite support, method of preparing the same, electrode catalyst including the composite support, and membrane-electrode assembly and fuel cell each including the electrode catalyst

A hierarchical mesoporous carbon is provided in which a total volume of mesopores of the hierarchical mesoporous carbon is 80% or greater of a total volume of pores of the hierarchical mesoporous carbon; a volume of mesopores with a average diameter greater than 20 nm and no greater than 50 nm is 3% or greater of the total volume of the pores; and a volume of mesopores with a average diameter greater than 2 nm and no greater than 10 nm is 65% or greater of the total volume of the pores. The hierarchical mesoporous carbon, which also contains macropores, has an optimized mesoporous distribution characteristic, and has an increased total volume of pores, thereby having a significantly improved catalytic activity when used as a catalyst support. When such a supported catalyst is used in a fuel cell, supply of fuel and transporting of byproducts are facilitated.

Method of manufacturing hierarchical mesoporous carbon and carbon obtained thereby

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

An anode active material including a porous transition metal oxide; an anode including the anode active material; a lithium battery including the anode; and a method of preparing the anode active material.

Anode active material comprising a porous transition metal oxide, anode comprising the anode active material, lithium battery comprising the anode, and method of preparing the anode active material

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

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Seoul, South Korea

Chan-ho Pak