期刊
RSC ADVANCES
卷 7, 期 70, 页码 44523-44530出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra08431e
关键词
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资金
- National Natural Science Foundation of China [51661145025, 11274055, 61520106013]
Ternary composites as electrode materials have attracted extensive attention due to their excellent electrochemical performance in energy-storage technologies as compared to single or binary composites. Herein, we demonstrated a facile two-step method to construct a new hierarchical nanocomposite by combing buckypaper (BP) with gamma-MnOOH nanorods and polyaniline. BP is used as a conductive substrate for the synthesis of free-standing hierarchical electrodes. The structural characterizations revealed the growth of a hierarchical porous structure of the ternary electrode. The synthesized polyaniline@gamma-MnOOH-BP ternary composite electrode shows a maximum specific capacitance of 567.5 F g(-1) at a current density of 0.5 A g(-1) and a relatively high areal capacitance of 301.2 mF cm(-2) at a current density of 0.27 mA cm(-2). This intriguing result is ascribed to the good combination of BP, g-MnOOH, and PANI. We believe that this ternary composite electrode has potential in portable, environmentally friendly, and wearable applications for next generation energy-storage devices.
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