A Cost-Effective Supercapacitor Material of Ultrahigh Specific Capacitances: Spinel Nickel Cobaltite Aerogels from an Epoxide-Driven Sol-Gel Process

被引:1105
作者
Wei, Te-Yu [1 ]
Chen, Chun-Hung [1 ]
Chien, Hsing-Chi [1 ]
Lu, Shih-Yuan [1 ]
Hu, Chi-Chang [1 ]
机构
[1] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 30013, Taiwan
关键词
COMPOSITE AEROGELS; CARBON NANOTUBES; SILICA AEROGEL; OXIDE; BEHAVIOR; PHOTOLUMINESCENCE; CONDUCTIVITY; TEMPERATURE; NICO2O4; GLASS;
D O I
10.1002/adma.200902175
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Nickel cobaltite (NiCo2O4) aerogels, synthesized with a chloride-based epoxide-driven sol-gel process, exhibit ultrahigh specific capacitances (1400 F g(-1); see figure), excellent reversibility, and outstanding cycle stability, at a relatively high mass loading of 0.4 mg cm(-2).
引用
收藏
页码:347 / +
页数:6
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