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To achieve true energy autonomy, next-generation mobility requires breakthroughs not only in control but also in how vehicles capture, convert, and store energy. Thus, we investigate advanced strategies that combine nanotechnology with energy systems to create highly efficient harvesting mechanisms and durable storage platforms. Our work spans from developing smart materials that can scavenge ambient thermal and mechanical energy to engineering novel storage architectures that ensure stability, scalability, and rapid energy delivery. By integrating these technologies seamlessly into mobility platforms, we aim to enable vehicles that can sustain themselves through intelligent energy management—paving the way toward a more resilient and sustainable mobility ecosystem.
To achieve true energy autonomy, next-generation mobility requires breakthroughs not only in control but also in how vehicles capture, convert, and store energy. Thus, we investigate advanced strategies that combine nanotechnology with energy systems to create highly efficient harvesting mechanisms and durable storage platforms. Our work spans from developing smart materials that can scavenge ambient thermal and mechanical energy to engineering novel storage architectures that ensure stability, scalability, and rapid energy delivery. By integrating these technologies seamlessly into mobility platforms, we aim to enable vehicles that can sustain themselves through intelligent energy management—paving the way toward a more resilient and sustainable mobility ecosystem.
⦁ Energy harvesting (Thermoelectric generation, Droplet-based electricity generation)
⦁ Energy harvesting (Thermoelectric generation, Droplet-based electricity generation)
⦁ Supercapacitor & Thermal capacitor
⦁ Supercapacitor & Thermal capacitor
Energy harvesting
Energy harvesting
In the area of energy harvesting, our research focuses on thermoelectric generation (TEG) and droplet-based electricity generation (DEG). TEG operates by converting temperature differences directly into electrical energy through the Seebeck effect, making it highly suitable for harvesting waste heat from vehicle exhaust systems or other heat sources.
(Reference: Yeongju Jung†, Jiyong Ahn†, Ji-Seok Kim, Junhyuk Bang, Minwoo Kim, Seongmin Jeong, Jinwoo Lee, Seonggeun Han, Il-Kwon Oh, Seung Hwan Ko*, "All Weather-Usable Wearable Dual Energy Harvester for Outdoor Sustainable Operation", SusMat, 5(1), e264, 2025.)
In the area of energy harvesting, our research focuses on thermoelectric generation (TEG) and droplet-based electricity generation (DEG). TEG operates by converting temperature differences directly into electrical energy through the Seebeck effect, making it highly suitable for harvesting waste heat from vehicle exhaust systems or other heat sources.
(Reference: Yeongju Jung†, Jiyong Ahn†, Ji-Seok Kim, Junhyuk Bang, Minwoo Kim, Seongmin Jeong, Jinwoo Lee, Seonggeun Han, Il-Kwon Oh, Seung Hwan Ko*, "All Weather-Usable Wearable Dual Energy Harvester for Outdoor Sustainable Operation", SusMat, 5(1), e264, 2025.)
Meanwhile, DEG utilizes the triboelectric effect generated by the impact and friction of falling water droplets, producing electricity even in rainy conditions. By leveraging these mechanisms, TEG and DEG offer complementary approaches to energy harvesting, providing vehicles with new pathways to recycle waste energy and generate power from the environment—key steps toward achieving energy-autonomous mobility.
(Reference: Yeongju Jung, Ji-Seok Kim, Junhyuk Bang, Seok Hwan Choi, Kangkyu Kwon, Min Jae Lee, Il-Kwon Oh, Jaeman Song, Jinwoo Lee, Seung Hwan Ko*, "Energy-saving window for versatile multimode of radiative cooling, energy harvesting, and defrosting functionalities", Nano Energy, 129, 110004, 2024.)
Meanwhile, DEG utilizes the triboelectric effect generated by the impact and friction of falling water droplets, producing electricity even in rainy conditions. By leveraging these mechanisms, TEG and DEG offer complementary approaches to energy harvesting, providing vehicles with new pathways to recycle waste energy and generate power from the environment—key steps toward achieving energy-autonomous mobility.
(Reference: Yeongju Jung, Ji-Seok Kim, Junhyuk Bang, Seok Hwan Choi, Kangkyu Kwon, Min Jae Lee, Il-Kwon Oh, Jaeman Song, Jinwoo Lee, Seung Hwan Ko*, "Energy-saving window for versatile multimode of radiative cooling, energy harvesting, and defrosting functionalities", Nano Energy, 129, 110004, 2024.)
Supercapacitor & Thermal capacitor
Supercapacitor & Thermal capacitor
In the domain of energy harvesting and storage, our research highlights two key technologies: supercapacitors and phase change material (PCM)–based thermal capacitors. Supercapacitors, with their high power density and rapid charge–discharge capability, are indispensable components for modern electronic systems, providing stable and efficient energy storage to support advanced functionalities in mobility platforms.
(Reference: Yeongju Jung†, Kyung Rok Pyun†, Sejong Yu, Jiyong Ahn, Jinsol Kim, Jung Jae Park, Min Jae Lee, Byunghong Lee, Daeyeon Won, Junhyuk Bang, Seung Hwan Ko*, "Laser-Induced Nanowire Percolation Interlocking for Ultrarobust Soft Electronics", Nano-Micro Letters, 17, 127, 2025.)
In the domain of energy harvesting and storage, our research highlights two key technologies: supercapacitors and phase change material (PCM)–based thermal capacitors. Supercapacitors, with their high power density and rapid charge–discharge capability, are indispensable components for modern electronic systems, providing stable and efficient energy storage to support advanced functionalities in mobility platforms.
(Reference: Yeongju Jung†, Kyung Rok Pyun†, Sejong Yu, Jiyong Ahn, Jinsol Kim, Jung Jae Park, Min Jae Lee, Byunghong Lee, Daeyeon Won, Junhyuk Bang, Seung Hwan Ko*, "Laser-Induced Nanowire Percolation Interlocking for Ultrarobust Soft Electronics", Nano-Micro Letters, 17, 127, 2025.)
PCM-based thermal capacitors store and release thermal energy through phase transition, offering an innovative approach to mitigating battery overheating issues. By regulating excessive heat and enhancing thermal stability, they can significantly improve the safety, reliability, and lifespan of next-generation energy storage systems. Together, these technologies represent critical building blocks toward achieving resilient and energy-autonomous mobility.
(Reference: Yeongju Jung†, Inho Ha†, Minwoo Kim, Jiyong Ahn, Jinwoo Lee, Seung Hwan Ko*, "High heat storing and thermally diffusive artificial skin for wearable thermal management", Nano Energy, 105, 107979, 2023.)
PCM-based thermal capacitors store and release thermal energy through phase transition, offering an innovative approach to mitigating battery overheating issues. By regulating excessive heat and enhancing thermal stability, they can significantly improve the safety, reliability, and lifespan of next-generation energy storage systems. Together, these technologies represent critical building blocks toward achieving resilient and energy-autonomous mobility.
(Reference: Yeongju Jung†, Inho Ha†, Minwoo Kim, Jiyong Ahn, Jinwoo Lee, Seung Hwan Ko*, "High heat storing and thermally diffusive artificial skin for wearable thermal management", Nano Energy, 105, 107979, 2023.)
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