Iron oxide-based nanomaterials for supercapacitors
| Autor: | Lei Wang, Bingyan Xu, Huan Pang, Mingbo Zheng, Hao Tang, Yao Chi, Zixia Chen, Yiyi Chen, Lan Zhang |
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| Rok vydání: | 2019 |
| Předmět: |
Supercapacitor
Nanocomposite Materials science Mechanical Engineering Iron oxide Bioengineering Nanotechnology 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry 01 natural sciences Energy storage 0104 chemical sciences Nanomaterials chemistry.chemical_compound chemistry Mechanics of Materials Pseudocapacitor Electrode General Materials Science Electrical and Electronic Engineering 0210 nano-technology |
| Zdroj: | Nanotechnology. 30(20) |
| ISSN: | 1361-6528 |
| Popis: | As highly efficient and clean electrochemical energy storage devices, supercapacitors (SCs) have drawn widespread attention as promising alternatives to batteries in recent years. Among various electrode materials, iron oxide materials have been widely studied as negative SC electrode materials due to their broad working window in negative potential, ideal theoretical specific capacitance, good redox activity, abundant availability, and eco-friendliness. However, iron oxides still suffer from the problems of low stability and poor conductivity. In this review, recent progress in iron oxide-based nanomaterials, including Fe2O3, Fe3O4, FexOy, and FeOOH, as electrode materials of SCs, is discussed. The nanostructure design and various synergistic effects of nanocomposites for improving the electrochemical performance of iron oxides are emphasized. Research on iron oxide-based symmetric/asymmetric SCs is also discussed. Future outlooks regarding iron oxides for SCs are likewise proposed. |
| Databáze: | OpenAIRE |
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