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Mechanically bendable energy storage devices have been demonstrated based on a lift-off and liquid densification process to construct carbon nanotube (CNT) forests with built-in bottom metal electrodes on top of a flexible substrate. The flexible CNT structure has been fabricated and tested as a supercapacitor electrode with the following salient features: (1) excellent transfer of charge from the...
This work is based on developing an amorphous silicon-coated, vertically aligned carbon nanotube (CNT) forest for energy storage applications. The architecture of the electrode has three valuable features: (1) enhanced charge transfer via aligned CNTs to the substrate, (2) excellent charge storage capability via amorphous silicon, and (3) the preservation of high surface area and porosity with enhanced...
The "healing" of nano-to-micro electrical contact between a single carbon nanotube (CNT) and silicon micro structure has been demonstrated using the technique of electrical breakdown. Experimental results show that the resistance of an in-situ synthesized CNT was "healed" from an original value of infinite to 7 MOmega. The experimental breakdown voltage is 10 V and the electrical...
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