경희대학교 · Materials Science
Jae Su Yu 교수의 연구실은 나노소재 기반의 에너지 저장 장치 개발에 초점을 맞추고 있으며, 특히 고성능 슈퍼커퍼시터와 배터리 소재를 위한 유연하고 도핑된 산화물 및 화합물 나노구조를 설계·제조하는 데 전문성을 가진다. 전기화학적 도금법을 활용해 금속 산화물, 황화물, 셀레나이드 등 다양한 나노재료를 기반으로 한 복합 전극 구조를 개발하며, 폐기물에서 유래한 재료(예: 구리 와이어)를 활용한 지속가능한 에너지 장치도 연구한다. 또한, 나노소재의 광학적 특성과 온도 측정 기술에 대한 연구도 병행하고 있다.
표시된 성과는 수집된 데이터 기준으로 산출되며, 일부 차이가 있을 수 있습니다.
Hierarchical three-dimensional (3D) porous nanonetworks of nickel-cobalt layered double hydroxide (Ni-Co LDH) nanosheets (NSs) are grown and decorated on flexible conductive textile substrate (CTs) via a simple two-electrode system based electrochemical deposition (ED) method. By applying a proper external cathodic voltage of -1.2 V for 15 min, the Ni-Co LDH NSs are densely deposited over the entire surface of the CTs with good adhesion. The flexible Ni-Co LDH NSs on CTs (Ni-Co LDH NSs/CTs) arch
Silver nanowires (Ag NWs) have attracted particular interest in the development of various electronic and energy storage devices due to their one-dimensional structure, good conductivity, fast charge transportation and direct contact to the current collector. Herein, we have successfully deposited the binder-free nickel-cobalt layered double hydroxide nanosheets on Ag NWs-fenced carbon cloth (NC LDH [email protected]@CC) by a facile electrochemical deposition method with a chronoamperometry volt
Highly flexible and conductive fabric (CF)‐supported cauliflower‐like nickel selenide nanostructures (Ni 3 Se 2 NSs) are facilely synthesized by a single‐step chronoamperometry voltage‐assisted electrochemical deposition (ECD) method and used as a positive electrode in supercapacitors (SCs). The CF substrate composed of multi‐layered metallic films on the surface of polyester fibers enables to provide high electrical conductivity as a working electrode in ECD process. Owing to good electrical co
Abstract In recent years, electronic waste (e‐waste) such as old cable wires, fans, circuit boards, etc., can be often seen in large piles of leftover in dumping yards. Employing these e‐waste sources for energy storage devices not only increases the economic value but also decreases the reliance on fossil fuels. In this context, waste cable wires are utilized to obtain precious copper (Cu) fibers and used as a cost‐effective current collector for the fabrication of fiber‐based hybrid supercapac
Er<sup>3+</sup>/Yb<sup>3+</sup>-Codoped Gd<sub>2</sub>MoO<sub>6</sub> upconversion nanocrystals with high sensor sensitivity and wide operation range were demonstrated for non-contact optical thermometry.
