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Yoonsang Ra
Yoonsang Ra
Verified email at khu.ac.kr
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Year
Monocharged electret based liquid-solid interacting triboelectric nanogenerator for its boosted electrical output performance
S Jang, M La, S Cho, Y Yun, JH Choi, Y Ra, SJ Park, D Choi
Nano Energy 70, 104541, 2020
882020
Universal biomechanical energy harvesting from joint movements using a direction-switchable triboelectric nanogenerator
S Cho, Y Yun, S Jang, Y Ra, JH Choi, HJ Hwang, D Choi, D Choi
Nano Energy 71, 104584, 2020
862020
Electrical charge storage effect in carbon based polymer composite for long-term performance enhancement of the triboelectric nanogenerator
JH Choi, Y Ra, S Cho, M La, SJ Park, D Choi
Composites Science and Technology 207, 108680, 2021
492021
High quality electret based triboelectric nanogenerator for boosted and reliable electrical output performance
Y Yun, M La, S Cho, S Jang, JH Choi, Y Ra, D Kam, SJ Park, D Choi
International Journal of Precision Engineering and Manufacturing-Green …, 2021
352021
Triboelectric signal generation and its versatile utilization during gear-based ordinary power transmission
Y Ra, S Oh, JH Lee, Y Yun, S Cho, JH Choi, S Jang, HJ Hwang, D Choi, ...
Nano Energy 73, 104745, 2020
342020
Development of a high‐performance handheld triboelectric nanogenerator with a lightweight power transmission unit
S Choi, S Cho, Y Yun, S Jang, JH Choi, Y Ra, M La, SJ Park, D Choi
Advanced Materials Technologies 5 (4), 2000003, 2020
342020
Toward effective irregular wind energy harvesting: Self-adaptive mechanical design strategy of triboelectric-electromagnetic hybrid wind energy harvester for wireless …
D Lee, S Cho, S Jang, Y Ra, Y Jang, Y Yun, D Choi
Nano Energy 102, 107638, 2022
332022
Development of a highly transparent and flexible touch sensor based on triboelectric effect
Y Ra, JH Choi, M La, SJ Park, D Choi
Functional Composites and Structures 1 (4), 045001, 2019
332019
Triboelectrification-driven microbial inactivation in a conductive cellulose filter for affordable, portable, and efficient water sterilization
S Cho, Z Hanif, Y Yun, ZA Khan, S Jang, Y Ra, ZH Lin, M La, SJ Park, ...
Nano Energy 88, 106228, 2021
322021
Scalable batch fabrication of flexible, transparent and self-triggered tactile sensor array based on triboelectric effect
Y Ra, M La, S Cho, SJ Park, D Choi
International Journal of Precision Engineering and Manufacturing-Green …, 2021
322021
Charge transfer accelerating strategy for improving sensitivity of droplet based triboelectric sensors via heterogeneous wettability
S Jang, Y Joung, H Kim, S Cho, Y Ra, M Kim, D Ahn, ZH Lin, D Choi
Nano Energy 97, 107213, 2022
272022
Cold rolled robust metal assisted triboelectric nanogenerator for extremely durable operation
Y Ra, JH Choi, SJ Choi, M La, SJ Park, MJ Kim, D Choi
Extreme Mechanics Letters 40, 100910, 2020
212020
Smart conveyor roller system for self-powered product size identification in electrically off-grid condition via hybridization of triboelectric-electromagnetic generators
Y Ra, J Kim, H Kim, S Cho, D Lee, S Jang, D Kam, M La, SJ Park, D Choi
Nano Energy 100, 107447, 2022
202022
Development of a triboelectric nanogenerator with enhanced electrical output performance by embedding electrically charged microparticles
JH Choi, KJ Cha, Y Ra, M La, SJ Park, D Choi
Functional Composites and Structures 1 (4), 045005, 2019
192019
Toward smart net zero energy structures: Development of cement-based structural energy material for contact electrification driven energy harvesting and storage
Y Ra, I You, M Kim, S Jang, S Cho, D Kam, SJ Lee, D Choi
Nano Energy 89, 106389, 2021
162021
Geometric gradient assisted control of the triboelectric effect in a smart brake system for self-powered mechanical abrasion monitoring
M Kim, Y Ra, S Cho, S Jang, D Kam, Y Yun, H Kim, D Choi
Nano Energy 89, 106448, 2021
122021
Self-powered hybrid triboelectric–piezoelectric electronic skin based on P (VDF-TrFE) electrospun nanofibers for artificial sensory system
S Cho, S Jang, D Lee, Y Ra, D Kam, JW Kim, D Shin, KD Seo, D Choi
Functional Composites and Structures 4 (4), 045005, 2022
82022
Development of large-scale electret fabrication system for triboelectric nanogenerator electrical output amplification
S Jang, S Cho, D Lee, Y Ra, D Kam, J Lee, G Lee, M La, D Choi
Functional Composites and Structures 4 (4), 045004, 2022
32022
Portable triboelectric-electromagnetic hybrid biomechanical energy harvester for driving various functional light-emitting diodes with a wide range of wavelengths
Y Ra, Y Kim, S Yang, N Kang, G Oh, C Cho, S Lee, D Choi
Nano Energy 119, 109052, 2024
22024
Toward Commercialization of Mechanical Energy Harvester: Reusable Triboelectric Nanogenerator Based on Closed-Loop Mass Production of Recyclable Thermoplastic Fluoropolymer …
Y Ra, JH Lee, J Bang, D Lee, D Kam, S Cho, S Jang, D Yoo, JW Kim, ...
International Journal of Energy Research 2023, 2023
22023
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