Full
XIAO Wei (1984-), male, Ph.D., Associate Professor. E-mail: showame@aliyun.com
Outline
As energy storage materials, transition metal phosphides have attracted recent attention. In this paper, FeP hollow nanorods were fabricated with hydrothermally synthesized MoO3 nanofibers as a template. The chemical composition, morphological structure and synthetic process of such a product were characterized. Its supercapacitive properties as an electrode material were also investigated. The results show that the developed FeP hollow nanorods have a porous nature with the specific surface area (i.e., 277.4 m2/g) and well-defined interior of about 30 nm thick shell due to the stack, aggregation and adhesion of FeP nanoparticles. The FeP hollow nanorod electrode with a unique morphological structure and a large specific surface area has a superior supercapacitive behavior with the maximum specific capacitance of 243.6 F/g, remarkable rate capability as well as outstanding cycling stability. The capacitance decay of only 13.8% can be achieved after consecutive charge/discharge for 10 000 cycles at a large current density of 5 A/g. The electrochemical performance of FeP hollow nanorods is better than that of some Fe-based supercapacitor electrode materials previously reported.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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