期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 41, 页码 22741-22744出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b05660
关键词
alternating voltage; NiCo double hydroxide; electrochemical; nanoflakes; asymmetric supercapacitors
资金
- National Natural Science Foundation of China [21473258]
- Distinguished Young Scientists of Hunan Province [13111004]
- Hunan Provincial Innovation Foundation for Postgraduate [CX2015B039]
- Project of Innovation-driven Plan in Central South University
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, China
An electrochemical alternating voltage approach of producing NiCo double hydroxide (NiCoDH) layered ultrathin flakes with with large specific surface area (355.8 m(2) g(-1)), remarkable specific capacitance and rate capability is presented. The obtained NiCoDH as anode for asymmetric supercapacitors shows excellent energy density of 17.5 Wh kg(-1) at high power density of 10.5 kW kg(-1) and cycling stability (91.2% after 10 000 cycles).
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