Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Kyungwho Choi"'
Publikováno v:
Nanoenergy Advances, Vol 4, Iss 3, Pp 258-283 (2024)
In the realm of intelligent sports, the integration of triboelectric nanogenerators (TENGs) marks a transformative approach toward energy sustainability and more advanced athletic monitoring. By leveraging the principle of triboelectricity, TENGs ing
Externí odkaz:
https://doaj.org/article/96072504a1074506a437022dfb27c1c5
Publikováno v:
Fire, Vol 7, Iss 7, p 255 (2024)
This study investigates the applicability of eco-friendly silicone materials with improved flame retardancy as interior materials for Korean urban railway vehicles, focusing on developing nonslip pads for seats made of non-combustible materials. Fire
Externí odkaz:
https://doaj.org/article/b5c8f521be9d4069a5911c7e9613d097
Autor:
Zhengbing Ding, Dinh Cong Nguyen, Hakjeong Kim, Xing Wang, Kyungwho Choi, Jihae Lee, Dukhyun Choi
Publikováno v:
Sensors, Vol 24, Iss 12, p 4021 (2024)
Accurately predicting the distance an object will travel to its destination is very important in various sports. Acceleration sensors as a means of real-time monitoring are gaining increasing attention in sports. Due to the low energy output and powe
Externí odkaz:
https://doaj.org/article/a17820c02e1e41709d353bea33f101bb
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Recently, polymer-based materials have been used in various filed of applications, but their low thermal conductivity restricts their uses due to the high interfacial thermal resistance. Therefore, in this study, one-dimensional thin-walled
Externí odkaz:
https://doaj.org/article/7646b1bbe8824bd88e3bb04f9f758057
Publikováno v:
Science and Technology of Advanced Materials, Vol 20, Iss 1, Pp 725-732 (2019)
A triboelectric nanogenerator (TENG) is an emerging energy harvesting technology utilizing multi-directional, wasted mechanical energies stemming from vibrations, winds, waves, body movements, etc. In this study, we report a comb-structured TENG (CTE
Externí odkaz:
https://doaj.org/article/85b263339db94eec99bcc97035e9d0f8
Autor:
Hakjeong Kim, Hee Jae Hwang, Nghia Dinh Huynh, Khanh Duy Pham, Kyungwho Choi, Dahoon Ahn, Dukhyun Choi
Publikováno v:
Research, Vol 2021 (2021)
Since the first invention of triboelectric nanogenerators (TENGs) in 2012, many mechanical systems have been applied to operate TENGs, but mechanical contact losses such as friction and noise are still big obstacles for improving their output perform
Externí odkaz:
https://doaj.org/article/e92a3be4d6574c608c282f7c85ad4830
Publikováno v:
Micromachines, Vol 9, Iss 12, p 628 (2018)
Recently, with the miniaturization of electronic devices, problems with regard to the size and capacity of batteries have arisen. Energy harvesting is receiving significant attention to solve these problems. In particular, the thermoelectric generato
Externí odkaz:
https://doaj.org/article/7a7c4f957c7b47138821a0246a6cc486
Publikováno v:
Micromachines, Vol 9, Iss 12, p 638 (2018)
Environmental energy issues caused by the burning of fossil fuel such as coal, and petroleum, and the limited resources along with the increasing world population pose a world-wide challenge. Alternative energy sources including solar energy, wind en
Externí odkaz:
https://doaj.org/article/05030075f98c45c79c6f9f3906fac3fa
Autor:
Dahoon Ahn, Kyungwho Choi
Publikováno v:
Micromachines, Vol 9, Iss 7, p 359 (2018)
During rolling stock operation, various kinds of energy such as vibration, heat, and train-induced wind are dissipated. The amount of energy dissipation cannot be overlooked when a heavy railroad vehicle operates at high speed. Therefore, if the wast
Externí odkaz:
https://doaj.org/article/457a0e703b49436dae0309a73b38fc14
Autor:
Lei Liu, Yuxin Wang, Saeed M. Alhassan, Hua Sun, Kyungwho Choi, Choongho Yu, David A. Schiraldi
Publikováno v:
Gels, Vol 4, Iss 1, p 8 (2018)
Dispersion of graphite in water was achieved using clay as dispersing aid. In the absence of polymer, the clay/graphite suspensions were sufficiently stable to produce aerogels composed of very thin layers of uniformly dispersed nanoparticles. Poly(v
Externí odkaz:
https://doaj.org/article/96b635c09efd4c6c9cc3dda523915682