Zobrazeno 1 - 10
of 185
pro vyhledávání: '"Kwang Chul, Roh"'
Publikováno v:
Electrochemistry Communications, Vol 158, Iss , Pp 107638- (2024)
Petroleum pitch (PP) is a by-product generated during the petroleum refining process, characterized by its high carbon content, tunable structure, and cost-effectiveness. These attributes have spurred extensive research into its potential as a carbon
Externí odkaz:
https://doaj.org/article/0035ea79c429463781234807894a618f
Publikováno v:
Electrochemistry Communications, Vol 154, Iss , Pp 107560- (2023)
The volumetric and gravimetric capacitance of supercapacitors are primarily influenced by the specific surface area and porosity required for the formation of electric double layers in the electrode material, and these capacitance are known to have a
Externí odkaz:
https://doaj.org/article/e8fe3653159044bcb3f3323a76c3558b
Publikováno v:
Nano Convergence, Vol 8, Iss 1, Pp 1-10 (2021)
Abstract Two-dimensional MoS2 film can grow on oxide substrates including Al2O3 and SiO2. However, it cannot grow usually on non-oxide substrates such as a bare Si wafer using chemical vapor deposition. To address this issue, we prepared as-synthesiz
Externí odkaz:
https://doaj.org/article/6b0d73bbc92f4b46ba9c95ff0a22b513
Autor:
Sung Eun Wang, DoHoon Kim, Min Ji Kim, Jung Hyun Kim, Yun Chan Kang, Kwang Chul Roh, Junghyun Choi, Hyung Woo Lee, Dae Soo Jung
Publikováno v:
Nanomaterials, Vol 13, Iss 1, p 132 (2022)
Surface coating approaches for silicon (Si) have demonstrated potential for use as anodes in lithium-ion batteries (LIBs) to address the large volume change and low conductivity of Si. However, the practical application of these approaches remains a
Externí odkaz:
https://doaj.org/article/e0a04ae4acb645dbae673be1f407095d
Autor:
Geon-Woo Lee, Byung Hoon Park, Masoud Nazarian-Samani, Young Hwan Kim, Kwang Chul Roh, Kwang-Bum Kim
Publikováno v:
ACS Omega, Vol 4, Iss 3, Pp 5304-5309 (2019)
Externí odkaz:
https://doaj.org/article/e079dd27750d49bea8684c923c326b22
Autor:
Junghwan Kim, Jisoo Kwon, Min Ji Kim, Min Ju O, Dae Soo Jung, Kwang Chul Roh, Jihyun Jang, Patrick Joohyun Kim, Junghyun Choi
Publikováno v:
Nanomaterials, Vol 11, Iss 12, p 3248 (2021)
Silicon, as a promising next-generation anode material, has drawn special attention from industries due to its high theoretical capacity (around 3600 mAh g−1) in comparison with conventional electrodes, e.g., graphite. However, the fast capacity fa
Externí odkaz:
https://doaj.org/article/f7447beda891460686fe384af2db4eb2
Publikováno v:
Energies, Vol 14, Iss 22, p 7629 (2021)
The development of supercapacitors with high volumetric capacitance and high-rate performance has been an important research topic. Activated carbon (AC), which is a widely used material for supercapacitor electrodes, has different surface structures
Externí odkaz:
https://doaj.org/article/8808d1357cc14be1a419dce4cf5596f2
Publikováno v:
Energies, Vol 14, Iss 19, p 5990 (2021)
Carbon materials have gained considerable attention in recent years due to their superior properties. Activated carbon has been used in supercapacitors due to its density and rapid adsorption capability. The sp2–sp3 hybrid porous carbon materials a
Externí odkaz:
https://doaj.org/article/6f3773451273414cbfb21c509432405d
Autor:
Ju-Won Lee, Kwon-Hyung Lee, Seong-Sun Lee, David B. Ahn, Jinyoung Chun, Seo Hui Kang, Kwang Chul Roh, Sang-Young Lee
Publikováno v:
Energy Storage Materials. 47:569-578
Autor:
Ji Su Chae, Hoomin Lee, Sung-Hyun Kim, Nilesh R. Chodankar, Sung-Min Kang, Seonghan Lee, Jeong Han Lee, Young-Kyu Han, Wan-Seob Cho, Yun Suk Huh, Kwang Chul Roh
Publikováno v:
Journal of Materials Chemistry A. 10:4611-4620
We developed a flexible supercapacitor cell with biocompatible oxidized SWCNTs driven by electrolytes in body fluids through integration with a wireless sensor network for use in implantable electronic medical devices (IEMDs).