## Abstract The supercapacitors (SCs), also called ultracapacitors or electrochemical capacitors, are devices with a very high specific power and high capacitance, available for a long period of time with negligible deterioration, that have been historically proposed in small applications (memory b
Nanoionics: New materials and supercapacitors
β Scribed by A. L. Despotuli; A. V. Andreeva
- Book ID
- 111473144
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2010
- Tongue
- English
- Weight
- 950 KB
- Volume
- 5
- Category
- Article
- ISSN
- 1995-0780
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## Abstract Largeβscale synthesized singleβwalled carbon nanotubes (SWNT) prepared by electric arc discharge method and a mixture of NiO and Y~2~O~3~ as catalyst have been used as electrode materials for supercapacitors. N~2~ adsorption/desorption measurement shows that the SWNT is a microporous an
Excellent electrochemical performance results from the coexistence of nickel and cobalt ions, with mesoporous characteristics and nanocrystal structure. Nickel cobalt nanowire is prepared by hydrothermal and thermal decomposition processes. High capacitance of 722 F g(-1) can be obtained at 1 A g(-1