학회 | 한국화학공학회 |
학술대회 | 2016년 가을 (10/19 ~ 10/21, 대전컨벤션센터) |
권호 | 22권 2호, p.1508 |
발표분야 | 공업화학 |
제목 | Nickel cobaltite sheets formed on nickel foam in ethanol for high performance supercapacitors |
초록 | Among various metal cobaltites (MCo2O4) nickel cobaltite (NiCo2O4) was chosen as it carries promising electrochemical properties for energy storage applications. During the hydrothermal process, porous NiCo2O4 nanosheets adhered to the Ni foam in ethanol. As the electrode is binder-free, NiCo2O4@Ni has a high specific capacitance of 1752 F g-1 at current density of 2 A g-1. The cyclic stability was 79% after 3000 charge/discharge cycles at high current densities. The powder density and energy density were 25.4 kW kg-1 and 98.8 Wh kg-1, respectively, at a high discharge current density of 50 A g-1. Keywords: NiCo2O4, specific capacitance, stability, supercapacitor, nanosheet |
저자 | Nguyen Thi Toan, Van Quang Nguyen, Nhu Minh Tue Le, 심재진 |
소속 | 영남대 |
키워드 | 화공소재 |
원문파일 | 초록 보기 |