Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

University of California

University of Texas System

Postech Academy-industry Foundation

Samsung Sdi., Ltd.

Hyuk Jae Chang

Chan-ho Pak

Hae-kyoung Kim

Kyoung Hwan Choi

Hye-Jung Cho

Jae-sung Lee

Sang-hoon Joo

Jian Nong Wang

Jae-Yong Lee

Seol-Ah Lee

Sungho Jin

Jai-kwang Shin

Jin-ho Kim

Jae-Sung Lee

Ji-man Kim

Dae-jong Yoo

Ji-rae Kim

Seung-jae Lee

Qin Xin

Hyung-Ik Lee

Won-bong Choi

Jin-Kyu Lee

Gongquan Sun

Chan Mook Lim

Jae-uk Chu

Sang Hoon Joo

Won-mok Lee

Luhua Jiang

Ji-Man Kim

Hasuck Kim

Chang-houn Rhee

Sangook Park

Shin Woo Ha

Seol Ah Lee

Seung Jae Lee

Hyun-chul Lee

Young-jae Kim

Kenneth J Balkus, Jr

Duck Joo Yang

Jae-man Choi

Moon-seok Kwon

Sung-hoon Lee

John Patrick Ferraris

Jeong-kuk Shon

Seok-gwang Doo

Jung-min Oh

Li-Han Chen

Xiang-Rong Ye

Xiaobing Luo

Young-Soo Joung

Christopher Hansung Ko

Yeong-Suk Choi

Hyung-ik Lee

Dong-jin Ham

Zhiwei Yang

Sueng-hoon Han

Gang-hong Bae

Dae-jung Yoo

Xinsheng Zhao

Sam Dae Park

Yun Ju Chang

Gongguan Sun

Young-kwon Kim

Jin-chul Jung

Sam-dae Park

Yoon-ju Chang

Hae-Kyoung Kim

Jin Chul Jung

Chan-Ho Pak

Jeong-Kuk Shon

Dae-Jong Yoo

Gang-Hong Bae

Dong-Jin Ham

Cahg-Houn Dept Of ChemEngineering Rhee

Jae-Sung Dept Of ChemEngineering Lee

Dae-Jong c/o Samsung Adv Inst Of Technology Yoo

Jia Nong Wang

A method of operating a fuel cell system which is controlled by an electronic device includes: transmitting a bit stream including a bit string which indicates identification information of the fuel cell system and a bit string which indicates status information of the fuel cell system to the electronic device through a serial communication line; receiving a bit stream including a bit string which indicates control information of the fuel cell system from the electronic device through the serial communication line; obtaining the control information of the fuel cell system from the received bit stream; and controlling power production of a fuel cell by controlling operations of peripheral devices of the fuel cell system based on the obtained control information of the fuel cell system.

Fuel cell system and electronic device controlling the same

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

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

A three-dimensional shaped battery includes a cell structure including a first electrode layer, a second electrode layer, and a separation layer disposed between the first electrode layer and the second electrode layer, where the cell structure may include a plurality of pattern units having different sizes from each other and a connecting portion which connects the pattern units to each other.

Three dimensional shaped battery

An ordered mesoporous carbon (OMC) composite catalyst includes an OMC; and metal particles and at least one component selected from a group consisting of nitrogen and sulfur included in the OMC. The ordered mesoporous carbon composite catalyst may be formed by impregnating an ordered mesoporous silica with a mixture of at least one selected from the group consisting of a nitrogen-containing carbon precursor, and a sulfur-containing carbon precursor, a metal precursor, and a solvent; drying and heat-treating the impregnated OMS; carbonizing the dried and heat-treated OMS to obtain a carbon-OMS composite; and removing the OMS from the carbon-OMS composite. A fuel cell may contain the OMC composite catalyst.

Ordered mesoporous carbon composite catalyst, method of manufacturing the same, and fuel cell using the same

A power unit, a fuel cartridge, and a fuel cell system having the power unit and the fuel cartridge. The power unit includes a coupling unit to couple with the fuel cartridge. The coupling unit includes a nozzle that receives fuel supplied from the fuel cartridge, a selection key to selectively mate with the fuel cartridge, and an outer unit surrounding the nozzle. An end of the nozzle is located between the selection key and an end of the outer unit.

Power unit and cartridge, and fuel cell system comprising power unit and cartridge

A carbon nanosphere has at least one opening. The carbon nanosphere is obtained by preparing a carbon nanosphere and treating it with an acid to form the opening. The carbon nanosphere with at least one opening has higher utilization of a surface area and electrical conductivity and lower mass transfer resistance than a conventional carbon nanotube, thus allowing for higher current density and cell voltage with a smaller amount of metal catalyst per unit area of a fuel cell electrode.

Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalyst

Provided are a CNT-mesoporous silica composite, a CNT-mesoporous carbon composite, a supported catalyst using the CNT-mesoporous carbon composite as a support, and a fuel cell using the supported catalyst as the anode, cathode, or both anode and cathode. The CNT-mesoporous carbon composite is prepared using the CNT-mesoporous silica composite. The CNT-mesoporous carbon composite has a high electrical conductivity due to the CNTs contained therein, and thus, when the CNT-mesoporous carbon composite is used in an electrode of a fuel cell, the fuel cell has a remarkably improved performance relative to the conventional catalyst support which does not contain CNTs.

Mesoporous carbon composite containing carbon nanotube

A catalyst coated electrolyte membrane including an anode catalyst layer and a cathode catalyst layer at opposite sides thereof, respectively, wherein micro cracks of the anode catalyst layer or cathode catalyst layer occupy 0.01-1 area % of the total area of the respective anode catalyst layer or cathode catalyst layer, a fuel cell including the same, and a method of preparing the catalyst coated electrolyte membrane. In the catalyst coated electrolyte membrane, micro cracks of the cathode catalyst layer or the anode catalyst layer can be minimized and thus the resistance between the electrode catalyst layer and an electrolyte membrane can be minimized, and crossover of a fuel, such as methanol, ethanol, other alcohols, methane, etc., to a cathode electrode can be minimized, and thus the catalyst coated electrolyte membrane has improved performance and durability.

Catalyst coated electrolyte membrane, fuel cell including the same, method of preparing the catalyst coated electrolyte membrane

Provided are aligned carbon nanotubes for a fuel cell having a large surface area, a nanocomposite that includes the aligned carbon nanotubes loaded with highly dispersed nanoparticles of a metallic catalyst, methods of producing the carbon nanotubes and the nanocomposite, and a fuel cell including the nanocomposite. In the nanocomposite, nanoparticles of the metallic catalyst are uniformly distributed on external walls of the nanotubes. A fuel cell including the nanocomposite exhibits better performance.

Carbon nanotube for fuel cell, nanocomposite comprising the same, method for making the same, and fuel cell using the same

A fuel cell includes a cathode, an anode, an electrolyte membrane interposed between the cathode and the anode, and a porous layer containing a moisture retentive material. The anode includes an anode catalyst layer adjacent to the electrolyte membrane and an anode diffusion layer adjacent to the anode catalyst layer, and the porous layer is disposed between the anode catalyst layer and the electrolyte membrane. The performance of the fuel cell can be stably maintained even when a fuel supply is temporarily interrupted due to a malfunction of a pump or clogging of a fuel channel.

Fuel cell with moisture retentive layer in MEA

The present invention relates to a modified inorganic material with excellent cation exchange capacity. In addition, the invention relates to a method of preparing the modified inorganic material, a composite electrolyte membrane comprising the modified inorganic material powder that has excellent methanol-repelling ability, and a fuel cell comprising the composite electrolyte membrane. The modified inorganic material includes an inorganic material, and a cation exchanger bonded to the inorganic material.

Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising the same, and fuel cell comprising the composite electrolyte membrane

A fuel composition for a fuel cell includes at least one primary fuel that produces protons and electrons, and at least one peroxide. As an example, the primary fuel may be at least one aqueous solution containing methanol, ethanol, or formic acid. When the fuel composition is used, the catalytic activity can increase, and thus a fuel cell having improved performance can be manufactured.

Fuel composition for fuel cell and fuel cell using the same

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 including the hierarchical mesoporous carbon as a support is used in a fuel cell, supply of fuel and transporting of byproducts are facilitated.

Hierarchical mesoporous carbon, method of manufacturing the same, and fuel cell using the same

Growing community of inventors

Seoul, South Korea

Hyuk Jae Chang