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Your search keyword '"Hyunhee Lee"' showing total 3 results
Start Over Author "Hyunhee Lee" Publisher american chemical society (acs)
3 results on '"Hyunhee Lee"'

1. Simple and Effective Cross-Linking Technology for the Preparation of Cross-Linked Membranes Composed of Highly Sulfonated Poly(ether ether ketone) and Poly(arylene ether sulfone) for Fuel Cell Applications

Author

Hwan Yeop Jeong, Tae-Ho Kim, Hyunhee Lee, Su Min Ahn, Kihyun Kim, Junghwan Kim, Jusung Han, Jong-Chan Lee, and Hye-Jin Kim

Subjects
Arylene, Energy Engineering and Power Technology, Proton exchange membrane fuel cell, Ether, Combinatorial chemistry, Sulfone, chemistry.chemical_compound, Poly ether ether ketone, Membrane, chemistry, Materials Chemistry, Electrochemistry, Chemical Engineering (miscellaneous), Fuel cells, Electrical and Electronic Engineering
Abstract

Cross-linking technology has been considered as one of the effective strategies for improving the physicochemical stability of proton-exchange membranes (PEMs) for fuel cell applications. However, ...

Published
2020

2. Facile and Time-Efficient Carboxylic Acid Functionalization of PIM-1: Effect on Molecular Packing and Gas Separation Performance

Author

Won Seok Chi, Francesco M. Benedetti, Katherine Mizrahi Rodriguez, Qihui Qian, Albert X. Wu, Hyunhee Lee, Zachary P. Smith, Cara M. Doherty, Sharon Lin, and Gang Han

Subjects
chemistry.chemical_classification, Polymers and Plastics, Chemistry, Carboxylic acid, Organic Chemistry, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Time efficient, 0104 chemical sciences, Inorganic Chemistry, Yield (chemistry), Materials Chemistry, Organic chemistry, Surface modification, Acid hydrolysis, Gas separation, 0210 nano-technology
Abstract

An optimized acid hydrolysis method was developed to yield carboxylic acid-functionalized PIM-1 (PIM-COOH) with >89% conversion in 48 h using a postpolymerization reaction of PIM-1. Physical charac...

Published
2020

3. Unprecedentedly Low CO2 Transport through Vertically Aligned, Conical Silicon Nanotube Membranes

Author

Ho Bum Park, Tae Hoon Lee, Ungyu Paik, Ji Soo Roh, Benny D. Freeman, Tae Hwan Choi, Taeseup Song, Hyunhee Lee, Seung Yeon Yoo, Hee Wook Yoon, and Si Hyun Do

Subjects
Physics::Biological Physics, Nanotube, Silicon nanotube, Materials science, Mechanical Engineering, Bioengineering, Nanotechnology, 02 engineering and technology, General Chemistry, Carbon nanotube, Permeance, Conical surface, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Quantitative Biology::Cell Behavior, law.invention, Quantitative Biology::Subcellular Processes, Condensed Matter::Materials Science, Nanopore, Membrane, law, General Materials Science, 0210 nano-technology, Selectivity
Abstract

Nanotube membranes could show significantly enhanced permeance and selectivity for gas separations. Up until now, studies have primarily focused on applying carbon nanotubes to membranes to achieve...

Published
2020

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