In‐Yong Suh

Concurrently Achieving 4.6 W/M 2 and 120,000 Cyclability Enabled by Extendable Swing Arms in Rotational Triboelectric Nanogenerator

Yihong Lin, Jiaming Zhou, In‐Yong Suh, Eunjong Kim et autres

ABSTRACT Rotational triboelectric nanogenerators (r‐TENGs) are promising candidates for powering Internet of Things devices, owing to their ability to convert continuous mechanical motion into electricity. Nevertheless, improving their electrical output often comes at the cost of increased frictional degradation, which limits overall …

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Capacitor bank-integrated high performance triboelectric nanogenerator

Minki Kang, Youngwook Chung, Dong Myung Lee, Han-Yup Yum et autres

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Portable hand-powered nanocatalysis for water disinfection

In‐Yong Suh, Young-Jun Kim, Sang-Woo Kim

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Ultrasound‐Powered, Battery‐Free Implants via Triboelectric Energy Harvesting

Youngwook Chung, Young‐Jun Kim, In‐Yong Suh, Keren Dai et autres

Abstract Implantable electronics enable physiological therapies that go beyond the capabilities of pharmacological approaches; however, these devices suffer from a persistent limitation: the absence of a sustainable energy source. Ultrasound‐driven triboelectric nanogenerators (US‐TENGs) offer a promising route to battery‐free implantable electronics by …

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A Body Conformal Ultrasound Receiver for Efficient and Stable Wireless Power Transfer in Deep Percutaneous Charging (Adv. Mater. 19/2025)

Iman Mohammadi Imani, Hyun Soo Kim, Minhyuk Lee, Seungbum Kim et autres

Rechargeable Deep-Tissue Implantable Devices Implantable devices typically rely on batteries that require surgical replacement, leading to potential health risks and financial burdens. Ultrasound energy transfer presents a promising wireless alternative, though its efficiency remains a challenge. The proposed dielectric-ferroelectric-boosted ultrasound triboelectric nanogenerator …

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A Body Conformal Ultrasound Receiver for Efficient and Stable Wireless Power Transfer in Deep Percutaneous Charging

Iman Mohammadi Imani, Hyun Soo Kim, Minhyuk Lee, Seungbum Kim et autres

Abstract Wireless powering of rechargeable‐implantable medical devices presents a challenge in developing reliable wireless energy transfer systems that meet medical safety and standards. Ultrasound‐driven triboelectric nanogenerators (US‐TENG) are investigated for various medical applications, including noninvasive percutaneous wireless battery powering to reduce the …

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Triboelectric energy harvesting technology for self-powered personal health management

Yong Hyun Kwon, Xiangchun Meng, Xiao Xiao, In‐Yong Suh et autres

Abstract The global healthcare landscape is increasingly challenged by the rising prevalence of chronic diseases and the demographic shift towards an aging population, necessitating the development of innovative and sustainable healthcare solutions. In this context, the emergence of triboelectric energy harvesters as …

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Recent Studies on Solid–Liquid Contact Electrification

In‐Yong Suh, Jinyoung Jeon, Min Jae Park, Hyeji Ryu et autres

Solid–liquid interfaces are crucial in basic sciences, such as chemistry, biology, and engineering, particularly in catalysis, electrochemistry, and energy storage technologies. Recent developments in the study of contact electrification at solid–liquid interfaces have led to a paradigm shift from traditional interpretations centered …

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Triboelectric and piezoelectric technologies for self-powered microbial disinfection

Xiangchun Meng, In‐Yong Suh, Xiao Xiao, Fengyi Pang et autres

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Highly efficient microbial inactivation enabled by tunneling charges injected through two-dimensional electronics

In‐Yong Suh, Zheng‐Yang Huo, Jae-Hwan Jung, Donghyeon Kang et autres

Airborne pathogens retain prolonged infectious activity once attached to the indoor environment, posing a pervasive threat to public health. Conventional air filters suffer from ineffective inactivation of the physics-separated microorganisms, and the chemical-based antimicrobial materials face challenges of poor stability/efficiency and inefficient …

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Walking-induced electrostatic charges enable in situ electroporated disinfection in portable water bottles

Young‐Jun Kim, Zheng‐Yang Huo, Xiaoxiong Wang, Haojie Dai et autres

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Self‐Powered Water Splitting of Ni3FeN@Fe24N10 Bifunctional Catalyst Improved Catalytic Activity and Durability by Forming Fe24N10 on Catalyst Surface via the Kirkendall Effect

Dong In Jeong, Donghyeon Kang, Bong Kyun Kang, Ui Young Lee et autres

Abstract Highly efficient water splitting electrocatalyst for producing hydrogen as a renewable energy source offers potential to achieve net‐zero. However, it has significant challenges in using transition metal electrocatalysts as alternatives to noble metals due to their low efficiency and durability, furthermore, …

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