title: Superior supercapacitor properties of composite powders with amorphous NiO nanoclusters distributed uniformly in an amorphous carbon matrix.
abstract: Amorphous nickel oxide-carbon composite powders have been prepared using a facile spray-drying process. The nickel nitrate-citrate hydrate precursor powders were transformed into an amorphous NiO-carbon composite powder through a post-treatment at 250 °C for 1 h. The excellent supercapacitor performance of the amorphous NiO-carbon composite powder can be ascribed to the unique electrochemical behavior of the ultrafine amorphous NiO nanoclusters.
authors: Department of Chemical Engineering, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701 (Republic of Korea).
authors: Seung Ho
authors: SH
authors: Choi
authors: Yun Chan
authors: YC
authors: Kang
authors: Yun Ju
authors: YJ
authors: Choi
authors: Yang Soo
authors: YS
authors: Kim
keywords: amorphous materials; carbon composite; nickel oxide; spray drying; supercapacitors