Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Hyunok Cho"'
Autor:
Pukar Maharjan, Kumar Shrestha, Trilochan Bhatta, Hyunok Cho, Chani Park, Md Salauddin, M. Toyabur Rahman, SM Sohel Rana, Sanghyun Lee, Jae Y. Park
Publikováno v:
Advanced Science, Vol 8, Iss 15, Pp n/a-n/a (2021)
Abstract Cyberattack is one of the severe threats in the digital world as it encompasses everything related to personal information, health, finances, intellectual properties, and even national security. Password‐based authentication is the most pr
Externí odkaz:
https://doaj.org/article/de1f5d7558d247a9a070a853ed37fd43
Publikováno v:
Micro and Nano Systems Letters, Vol 5, Iss 1, Pp 1-5 (2017)
Abstract This paper presents a micro-fabricated flexible and curled PZT [Pb(Zr0.52Ti0.48)O3] cantilever using d33 piezoelectric mode for vibration based energy harvesting applications. The proposed cantilever based energy harvester consists of polyim
Externí odkaz:
https://doaj.org/article/6ed22f3d65af48d0a5eb5a30bce20734
Publikováno v:
Micromachines, Vol 10, Iss 10, p 701 (2019)
Energy harvesting from human-body-induced motion is mostly challenging due to the low-frequency, high-amplitude nature of the motion, which makes the use of conventional cantilevered spring-mass oscillators unrealizable. Frequency up-conversion by me
Externí odkaz:
https://doaj.org/article/4069861cf1bb4534badc85a17394df9b
Publikováno v:
2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers).
Herein, we present a novel triboelectric nanogenerator based on nylon-11/poly-DADMAC and PVDF-TrFE nanofibers and demonstrate as a self-powered human motion sensor (SPHMS). The incorporation of cation poly-DAD MAC into the nylon-11 via the electrospi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31fde0ad51bac2efe3eafc890b3e178f
https://doi.org/10.1109/transducers50396.2021.9495522
https://doi.org/10.1109/transducers50396.2021.9495522
Publikováno v:
Applied Energy. 250:776-785
We propose a non-resonant finger-triggered electromagnetic energy harvester (EMEH) using multiple gear modules and an array of disc Halbach magnets, which can generate significant voltage and power under low input-frequency vibrations. The proposed E
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43d4782b0a8057eab5323db0dc2cc585
https://doi.org/10.1016/j.apenergy.2019.05.059
https://doi.org/10.1016/j.apenergy.2019.05.059
Publikováno v:
Nano Energy. 57:256-268
Owing to the climate change and energy crisis, harvesting energy from our surroundings and the construction of self-powered wireless environmental monitoring systems are promising approaches in modern times. In this paper, an ultra-compact highly eff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62712651e00bc6b1673a5243cbff29d2
https://doi.org/10.1016/j.nanoen.2018.12.052
https://doi.org/10.1016/j.nanoen.2018.12.052
Publikováno v:
Applied Energy. 232:398-408
In smart home system (SHS), various IoT sensors are widely used for monitoring and security purposes. In order to detect fires, heat, potential disasters in early stage, and ensure the safety of electricity, real-time online condition monitoring of i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb64b7d9659cea601e66ec442c8bd169
https://doi.org/10.1016/j.apenergy.2018.09.207
https://doi.org/10.1016/j.apenergy.2018.09.207
Publikováno v:
2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS).
Herein, a self-powered motion sensor (SPMS) based on PVDF-TrFE/MXene nanocomposite is newly presented for real-time human motion monitoring. The incorporation of MXene nanosheet into the PVDF-TrFE matrix via the electrospinning process act as a highl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcd90b4a147f3ff2620c03ab2f97c726
https://doi.org/10.1109/mems51782.2021.9375277
https://doi.org/10.1109/mems51782.2021.9375277
Autor:
Jae Yeong Park, M. Toyabur Rahman, Chani Park, M. Salauddin, S M Sohel Rana, Sudeep Sharma, Trilochan Bhatta, Pukar Maharjan, Hyunok Cho
Publikováno v:
ACS applied materialsinterfaces. 13(4)
Understanding of the triboelectric charge accumulation from the view of microcapacitor formation plays a critical role in boosting the output performance of the triboelectric nanogenerator (TENG). Here, an electrospun nanofiber-based TENG (EN-TENG) u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4c4aba24ba5ac112a6171c22e49d43a
https://pubmed.ncbi.nlm.nih.gov/33475336
https://pubmed.ncbi.nlm.nih.gov/33475336
Publikováno v:
2020 IEEE 33rd International Conference on Micro Electro Mechanical Systems (MEMS).
Herein, a self-powered flex sensor (SPFS) based on triboelectric nanogenerator is newly presented for detecting finger bending motion and hand gestures to be used in prosthetic arm and robotic applications. Drawn inspiration from the human skin dermi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a14601e1c36b5f504434ed587ddfa29
https://doi.org/10.1109/mems46641.2020.9056118
https://doi.org/10.1109/mems46641.2020.9056118