Search Results - "Kim, Gunhwi"

Fabrication of highly flexible electromagnetic interference shielding polyimide carbon black composite using hot-pressing method by Kim, Jinyoung, Kim, Gunhwi, Kim, Seo-Yul, Lee, Sangrae, Kim, Youngnam, Lee, Juheon, Kim, Jinsu, Jung, Yong Chae, Kwon, Jinuk, Han, Haksoo

“…Traditionally, electromagnetic interference (EMI) shielding material has been occupied by metallic materials due to its high electric conductivity and EMI…”
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New continuous process developed for synthesizing sponge-type polyimide membrane and its pore size control method via non-solvent induced phase separation (NIPS) by Kim, Myeongsoo, Kim, Gunhwi, Kim, Jinyoung, Lee, Daero, Lee, Sangrae, Kwon, Jinuk, Han, Haksoo

“…In this study, the improvement of synthesizing method of sponge-type polyimide (PI) membrane and its newly developed pore size control techniques are mainly…”
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Phase Inversion-Induced Porous Polybenzimidazole Fuel Cell Membranes: An Efficient Architecture for High-Temperature Water-Free Proton Transport by Lee, Sangrae, Nam, Ki-Ho, Seo, Kwangwon, Kim, Gunhwi, Han, Haksoo

“…To cope with the demand for cleaner alternative energy, polymer electrolyte membrane fuel cells (PEMFCs) have received significant research attention owing to…”
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One-step synthesis of nano-porous monolithic polyimide aerogel by Kim, Jinyoung, Kwon, Jinuk, Kim, Seung-Ik, Kim, Myeongsoo, Lee, Daero, Lee, Sangrae, Kim, Gunhwi, Lee, Juheon, Han, Haksoo

“…A facile one-step method for synthesis of a porous monolithic polyimide aerogel was successfully developed. The specific thermal curing, slow desiccating…”
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Simple assembling process for polyimide aerogel and its application in water pollutants absorption by Kim, Jinyoung, Kim, Gunhwi, Baek, Seungho, Kwon, Jinuk, Kim, Jinsu, Kim, Seo-Yul, Kim, Yoohan, Yoo, Yunsung, Han, Haksoo

“…Porous media based on organic and inorganic materials are now showing their great potential in various application. The synthetic technology has been studied…”
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Tunable pore size and porosity of spherical polyimide aerogel by introducing swelling method based on spherulitic formation mechanism by Lee, Daero, Kim, Jinyoung, Kim, Seohyun, Kim, Gunhwi, Roh, Jihun, Lee, Sangrae, Han, Haksoo

“…In this study, the swelling method for controlling the pore size of the polyimide aerogel is demonstrated. The swelling method allows the pore size to be…”
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Efficiency improvement of a fuel cell cogeneration plant linked with district heating: Construction of a water condensation latent heat recovery system and analysis of real operational data by Yuan-Hu, Li, Kim, Jinyoung, Lee, Sangrae, Kim, Gunhwi, Han, Haksoo

“…•Heat-balance recovery system of latent heat of water generated via fuel cell built.•Energy efficiency of at least 90% achieved by utilizing the energy…”
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High Temperature Applicable Separator by Using Polyimide aerogel/polyethylene Double-Layer Composite Membrane for High-Safety Lithium Ion Battery by Kim, Gunhwi, Kim, Jinyoung, Jeong, Jongyeob, Lee, Daero, Kim, Myeongsoo, Lee, Sangrae, Kim, Seohyun, Lee, Hyunju, Han, Haksoo

“…To address the vulnerability of a conventional separator to high temperature, a new double-layer function of separator with a double-layer function is…”
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The effects of hydroxyl groups on the thermal and optical properties of poly(amide-imide)s with high adhesion for transparent films by Kim, Kwangin, Yoo, Taewon, Lee, Juheon, Kim, Myeongsoo, Lee, Sangrae, Kim, Gunhwi, Kim, Jinyoung, Han, Patrick, Han, Haksoo

“…In this study, transparent thin films for coating material are synthesized by adding bulky CF3 and hydroxyl groups intro into poly(amide-imide)s. As expected,…”
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Synthesis of a new diamine and its effect on the residual stress of colorless polyimide by Lee, Juheon, Kim, Kwangin, Kim, Gunhwi, Han, Haksoo

“…A new diamine was designed and synthesized to improve the flexibility of colorless polyimides by reducing residual stress. Four variations of colorless…”
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Nitrogen‐Doped Porous Carbon Structure from Melamine‐Assisted Polyimide Sheets for Supercapacitor Electrodes by Lee, Seokhee, Kim, Gunhwi, Kim, Jinyoung, Kim, Dongjun, Lee, Daero, Han, Haksoo, Kim, Jiwon

“…Nitrogen‐doped porous carbon derived from various polymer precursors receives great attention for applications in supercapacitor electrodes due to its high…”
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Low dielectric transparent poly(amide-imide) thin film with nano scale porous structure by Lee, Juheon, Lee, Sangrae, Kim, Kwangin, Yoo, Taewon, Kim, Gunhwi, Han, Haksoo

“…A transparent poly(amide-imide) (PAI) was synthesized with good thermal and optical properties and after that silica nano particles were introduced and removed…”
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Erratum to: Low dielectric transparent poly(amide-imide) thin film with nano scale porous structure by Lee, Juheon, Lee, Sangrae, Kim, Kwangin, Yoo, Taewon, Kim, Gunhwi, Han, Haksoo

“…Page 1115, the Acknowledgments should be corrected as follows: This work was supported by the KIST Institutional Program (Project No. 2E26600-16-041) and…”
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