A5103030499- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Membrane-based Ion Separation Techniques
- Analytical Chemistry and Sensors
- Molecular Sensors and Ion Detection
- Carbon Nanotubes in Composites
- Conducting polymers and applications
- Electrochemical Analysis and Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Advanced battery technologies research
- Advanced Sensor and Energy Harvesting Materials
Pohang University of Science and Technology
2024
As society strides toward a sustainable future powered by lithium-ion batteries, the integral role of polymeric binders becomes increasingly evident. Historically serving as film former and chemical adhesive that amalgamates active host materials conductive carbon in battery electrodes, their has been redefined with advent innovative systems materials. These emerging technologies pose unique challenges, propelling shift “customizable” binder designs. Polymeric should now ensure structural...
Abstract Compared with conventional lithium‐ion battery systems, anion‐intercalation in graphite cathodes opens avenues for the development of batteries groundbreaking power density. This study explores enhancement dual‐ion (DIBs) by gel polymer electrolyte (GPE) enhanced surface‐charged nanoclays, focusing on overcoming traditional challenges such as decomposition, anion‐solvent co‐intercalation, and interfacial instability at cathode. Three nanoclays including montmorillonite, kaolinite,...
Abstract Dual‐ion batteries (DIBs) are emerging as promising candidates for fast‐charging electric vehicles owing to their ability intercalate both cations and anions. However, increasing the energy density of DIBs, especially with thick graphite cathodes, remains a challenge due structural instability during anion intercalation. In this study, magnetically controlled method is introduced vertically align particles in electrodes, significantly improving performance DIBs. This novel...
Advanced energy-storage devices are indispensable for expanding electric mobility applications. While anion intercalation-type redox chemistry in graphite cathodes has opened the path to high-energy-density batteries, surpassing limited energy density of conventional lithium-ion a significant challenge remains: large volume expansion upon intercalation. In this study, novel polymeric binder and cohesive cathode design dual-ion batteries (DIBs) is presented, which exhibits remarkable...
삼극형(triode type) 전자 방출원을 프린팅된 CNT(Carbon Nanotube) 에미터를 이용하여 제작하였다. 후면노광(Back Exposure)방법으로 CNT 에미터의 높이를 균일하게 하고, 나노 Ag를 첨가하여 CNT와 전극 사이의 접착력 및 전기전도성을 높임으로써 고전압, 고전류 구동 시 신뢰성을 확보하였다. 게이트 높이가 에미터 길이에 비해 비교적 높은 매크로 구조를 사용하여 누설 전류가 적고 안정적인 구동이 가능하였다. 제작된 삼극형 방출원은 DC 전압이 인가된 상태에서 일정시간동안 전계방출 전류를 측정하여 평가하였다. 가열 배기 에이징(Aging) 과정을 거친 경우 약 12 시간동안 특성을 보였다. 이 때 누설전류는 10 % 미만이었다. The electron emission source of triode type has been fabricated using paste. nano Ag particle and photosensitive polymers...