Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Uoo-Chang Chung"'
Publikováno v:
physica status solidi (a). 204:4174-4177
Direct methanol fuel cell (DMFC) belongs to the same family of energy conversion device and the application of new hydrogen storage nanomaterials such as carbon nanotube (CNTs) supported catalysts is being addressed in an increasing industrial approa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82966aa540a41294c4648f225cdb9ec6
https://doi.org/10.1002/pssa.200777236
https://doi.org/10.1002/pssa.200777236
Publikováno v:
Metals and Materials International. 13:417-420
Ni catalysts for direct methanol fuel cells (DMFCs) based on carbon nanotube and Vulcan XC-72 carbon black (VCB) were prepared and their catalytical activity was investigated for DMFCs. The deposition was used to prepare Ni/CNTs and Ni/VCB composites
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79451036b026bc55fe521725feccb6ef
https://doi.org/10.1007/bf03027878
https://doi.org/10.1007/bf03027878
Publikováno v:
Metals and Materials International. 13:217-221
The surface roughness of a substrate is typically influenced by grain boundaries, grooves and voids. In an effort to improve the surface roughness, a textured {113} Ag substrate was electropolished using a new method that causes the formation of an o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3170a4315dcf0fb86f691d540655d64
https://doi.org/10.1007/bf03027808
https://doi.org/10.1007/bf03027808
Publikováno v:
Metals and Materials International. 13:257-260
Electrocatalysts, Pt−Ni and Ni, catalysts loaded separately about 20 wt.% onto carbon nanotubes (CNTs) by the impregnation method for a direct methanol fuel cell (DMFC). The particles size and morphology of these catalysts were confirmed by XRD and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e80a12314f1897f21a358237c5c336c
https://doi.org/10.1007/bf03027814
https://doi.org/10.1007/bf03027814
Publikováno v:
Solid State Phenomena. 119:247-250
Several methods for loading of Pt-Ni binary catalysts on the CNTs were tested. Using the CNTs treated HNO3, the catalysts supported Pt, Ni separately(Pt&Ni/CNT) and Pt-Ni alloy(Pt- Ni/CNTs) were made respectively. The results of supporting were confi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d999bbe31f3e4da188c3e5b2e9832b85
https://doi.org/10.4028/www.scientific.net/ssp.119.247
https://doi.org/10.4028/www.scientific.net/ssp.119.247
Publikováno v:
Key Engineering Materials. :1784-1789
Rubber-modified epoxy resins are used as a matrix material for glass and carbon-fiber composites. Mechanical properties of fiber reinforced composites depend on the interfacial shear strength between the reinforced fiber and the matrix resin. This st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a86f7236b8bb95eebab146809a02a7d2
https://doi.org/10.4028/www.scientific.net/kem.297-300.1784
https://doi.org/10.4028/www.scientific.net/kem.297-300.1784
Publikováno v:
Metals and Materials International. 11:149-156
The corrosion behavior and resistance of hot-dip Al and Al−Cr coated steel sheets (SS) were investigated via scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDX), electron probe micro analysis (EPMA), glow discharge light
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc962e6a731347e6ea19271df25bc463
https://doi.org/10.1007/bf03027459
https://doi.org/10.1007/bf03027459
Autor:
Wonsub Chung, Deok-Bo Lee, Uoo-Chang Chung, Ik-Min Park, Yeon-Uk Jeong, Young-Rae Cho, Yonghwan Kim
Publikováno v:
Bulletin of the Korean Chemical Society. 26:103-106
In order to investigate the catalytic mechanism for the growth of carbon nanotubes (CNTs), a comprehensive study was conducted using carbon materials synthesized at 680 °C with a gas mixture of CO-H 2 after reduction at 800 °C by H 2 gas from iron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05a95f918b4cfb9edb53aefa7d3acb2c
https://doi.org/10.5012/bkcs.2005.26.1.103
https://doi.org/10.5012/bkcs.2005.26.1.103
Publikováno v:
Materials Science Forum. :3559-3562
The effect of H2 gas during the carbon nanotubes (CNTs) synthesis with CO-H2 gas mixture was investigated using by mass measurement, and scanning electron microscopy (SEM). The maximum weight and yield of the synthesized carbon (C) were obtained when
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cca11e428982501526436a20b3260e9d
https://doi.org/10.4028/www.scientific.net/msf.475-479.3559
https://doi.org/10.4028/www.scientific.net/msf.475-479.3559
Publikováno v:
Materials Science Forum. :2473-2476
Mg2Ni powder was heated up to 880°C which is higher than the melting point of Mg2Ni alloys (760°C) for 30 minutes and immediately cooled into water (14°C). And then, mechanical ball milling was conducted for 1,4,8,10,12,24 hours respectively. As m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bad1ed52b92a1e0db4294981bec7173
https://doi.org/10.4028/www.scientific.net/msf.475-479.2473
https://doi.org/10.4028/www.scientific.net/msf.475-479.2473