Zobrazeno 1 - 10
of 221
pro vyhledávání: '"Haksoo Han"'
Autor:
Chanjae Ahn, Pyong Hwa Hong, Juhen Lee, Jinsil Kim, Gyeongmin Moon, Sungkoo Lee, In Park, Haksoo Han, Sung Woo Hong
Publikováno v:
Polymers, Vol 14, Iss 23, p 5181 (2022)
Polymeric coating materials (PCMs) are promising candidates for developing next-generation flexible displays. However, PCMs are frequently subjected to external stimuli, making them highly susceptible to repeated damage. Therefore, in this study, a h
Externí odkaz:
https://doaj.org/article/58175d9a137c4f8d89da20e8e2de8f3b
Autor:
Hyun Ju Lee, Dong-Chang Kang, Eun-Jeong Kim, Young-Woong Suh, Dong-Pyo Kim, Haksoo Han, Hyung-Ki Min
Publikováno v:
Nanomaterials, Vol 12, Iss 17, p 3036 (2022)
The formic acid (CH2O2) decomposition over sulfated zirconia (SZ) catalysts prepared under different synthesis conditions, such as calcination temperature (500–650 °C) and sulfate loading (0–20 wt.%), was investigated. Three sulfate species (tri
Externí odkaz:
https://doaj.org/article/ccc500d69eb34439ba2fa2aea034f0a9
Autor:
Young Nam Kim, Yu-Mi Ha, Jae Eun Park, Young-O Kim, Jun Young Jo, Haksoo Han, Doh C. Lee, Jaewoo Kim, Yong Chae Jung
Publikováno v:
Polymer Testing, Vol 93, Iss , Pp 107006- (2021)
Graphene nanoparticles coated with tannic acid were synthesized as non-halogen flame retardants; further, these nanoparticles were electrospun with polyurethane to produce multifunctional composite nanofibers. The composite nanofibers showed improved
Externí odkaz:
https://doaj.org/article/c2739b9d593c4da191465bb5cb61ae73
Publikováno v:
Polymers, Vol 13, Iss 21, p 3824 (2021)
Polyimides, a widely used engineering plastic, require use of large amounts of toxic and hazardous organic solvents which threaten our daily lives, calling for new and easy synthetic methods for sustainable environmentally friendly development. In th
Externí odkaz:
https://doaj.org/article/aa0e7a237bea4af4a56973aa8e0e71cf
Publikováno v:
Materials, Vol 14, Iss 21, p 6280 (2021)
An inexpensive and general-purpose carbon fiber was prepared using coal tar pitch. In contrast to the solvent extraction process employing expensive solvents, a low-cost centrifugal separation method facilitated the reduction of loss due to the pitch
Externí odkaz:
https://doaj.org/article/120294388eb34d95befdb32e6e9b3b72
Publikováno v:
Polymers, Vol 12, Iss 7, p 1604 (2020)
To cope with the demand for cleaner alternative energy, polymer electrolyte membrane fuel cells (PEMFCs) have received significant research attention owing to their high-power density, high fuel efficiency, and low polluting by-product. However, the
Externí odkaz:
https://doaj.org/article/1d1af33f681a4c0894bdc112f0befff1
Publikováno v:
Journal of Industrial and Engineering Chemistry. 114:438-445
Autor:
HyungTae Kim, Do-Hyeong Kim, Haksoo Han, Ju Young Woo, Shin Ae Song, Ki-Young Kim, Sung Nam Lim
Publikováno v:
Journal of Electrochemical Science and Technology. 13:112-119
Molten carbonate fuel cells (MCFCs) are environmentally friendly, large-capacity power generation devices operated at approximately 650°C. If MCFCs are to be commercialized by improving their competitiveness, their cell life should be increased by o
Autor:
Hyun Ju, Lee, Dong-Chang, Kang, Eun-Jeong, Kim, Young-Woong, Suh, Dong-Pyo, Kim, Haksoo, Han, Hyung-Ki, Min
Publikováno v:
Nanomaterials (Basel, Switzerland). 12(17)
The formic acid (CH
Publikováno v:
Journal of Industrial and Engineering Chemistry. 91:85-92
We investigated the effects of hydrogen separation using high-temperature anhydrous proton-exchange membrane fuel-cell technology. Various acid-doped para-polybenzimidazole (p-PBI)-chain end-tethered amine-polyhedral oligomeric silsesquioxane (NH2-PO