Hyunji Seo

Fully stretchable hydrovoltaic cells based on winding-locked double-helical carbon nanotube fibers

Wonkyeong Son, Jae Myeong Lee, Hyunji Seo, Gyu Hyeon Song et autres

Hydrovoltaic power generators that convert water–nanomaterial interactions into electricity represent a promising route for sustainable energy harvesting. However, most previous studies have relied on non-stretchable planar designs, requiring continuous water flow or ionic solutions. Here, we present a fully stretchable hydrovoltaic cell …

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Fully Stretchable Hydrovoltaic Cells Based on Winding-Locked Double-Helical Carbon Nanotube Fibers

Wonkyeong Son, Jae Myeong Lee, Hyunji Seo, Sung Beom Cho et autres

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Stretchable Micro-Wrinkled Carbon Nanotube-Assembled Skin-Adhesive Patches with Suction-Cup Patterns for Human Breath-Derived Moisture Energy Harvesting

Wonkyeong Son, Jeeeun Kim, Tae Young Kim, Jae Myeong Lee et autres

With significant advances in self-powered, stretchable, and skin-attachable electronics, harvesting energy from ubiquitous moisture has emerged as a promising method for powering wearable and adhesive devices. However, current moisture energy harvesting (MEH) devices still face challenges in direct application to skin surfaces, …

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Dual‐Scale Hydration‐Induced Electrical and Mechanical Torsional Energy Harvesting in Heterophilically Designed CNT Yarns

Jae Myeong Lee, Wonkyeong Son, Myoungeun Oh, Duri Han et autres

Abstract Water holds vast potential for a useful energy source, yet traditional approaches capture only a fraction of it. This study introduces a heterophilically designed carbon nanotube (CNT) yarn with an asymmetric configuration. This yarn is capable of both electrical and mechanical …

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Transition of Carbon Nanotube Sheets from Hydrophobicity to Hydrophilicity by Facile Electrochemical Wetting

Myoungeun Oh, Hyunji Seo, Ji‐Min Choi, Jun Ho Noh et autres

The present study delves into the transformative effects of electrochemical oxidation on the hydrophobic-to-hydrophilic transition of carbon nanotube (CNT) sheets. The paper elucidates the inherent advantages of CNT sheets, such as high electrical conductivity and mechanical strength, and contrasts them with the …

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Electrochemically Oxidized Carbon Nanotube Sheets for High-Performance and Flexible-Film Supercapacitors

Jun Ho Noh, Ji‐Min Choi, Hyunji Seo, Juwan Kim et autres

The development of flexible, high-performance supercapacitors has been a focal point in energy storage research. While carbon nanotube (CNT) sheets offer promising mechanical and electrical properties, their low electrical double-layer capacitance significantly limits their practicability. Herein, we introduce a novel approach to …

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Juliet과 STONESOUP 테스트 모음을 사용한 C/C++ 프로그램의 보안약점 탐지를 위한 정적 분석기 평가

Hyunji Seo, Younggwan Park, Kim Taehwan, Kyung sook Han et autres

Intelligent Product Design

Han Nwi Lee, Yeseul Namkoung, Jin‐Hee Kim, Seul Lee et autres

Robot's appearance types could be classified into human-oriented robot and product-oriented robot. Human-oriented robot resembles human's appearance and behavior whereas product-oriented robot is an intelligent product that is laden with robotic technologies based on the existing product [1]. In Kwak et al.'s …

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EConnectivity and Accessibility Measurement of Facilities in a Residential Complex

Hyunji Seo, Hoon Chang, Se-Hyung Lee

In this study, two residential complexes, both built in the New City area after 2006 and both composed of over 500 households, were selected to estimate an efficient accessibility and connectivity index using accessibility and connectivity theories and methods from previous studies. …