期刊
CRYSTENGCOMM
卷 17, 期 9, 页码 1906-1910出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ce02504k
关键词
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资金
- National Natural Science Foundation of China [51125009, 91434118]
- National Natural Science Foundation for Creative Research Group [21221061]
- Hundred Talents Program of the Chinese Academy of Sciences
In this work, we studied the crystallization of FeOOH nanorods via hydrolysis of FeCl3 center dot 6H(2)O solution under a low-temperature hydrothermal route (100 degrees C). The effect of Fe3+ concentration and solution pH on the crystallized morphology and size of FeOOH nanorods was systematically studied based on the chemical reaction and crystallization process. The electrochemical performance of the as-obtained FeOOH materials as supercapacitors is evaluated and the effect of Fe3+ concentration on the pseudo-capacitance of iron-based materials is also discussed. FeOOH electrode materials obtained in 0.2 M FeCl3 center dot 6H(2)O solution display the highest specific capacitance of 714.8 F g(-1), which is higher than reported values for FeOOH electrode materials. The present work demonstrates a simple hydrolysis route to synthesize high capacitance electrode materials.
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