Electrical Energy Generation via Reversible Chemical Doping on Carbon Nanotube Fibers.

Liu, Albert Tianxiang; Kunai, Yuichiro; Liu, Pingwei; Kaplan, Amir; Cottrill, Anton L; Smith-Dell, Jamila S; Strano, Michael S · Adv Mater · 2016

basic_science · Level V

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Abstract

Chemically modified carbon nanotube fibers enable unique power sources driven entirely by a chemical potential gradient. Electrical current (11.9 μA mg<sup>-1</sup> ) and potential (525 mV) are reversibly produced by localized acetonitrile doping under ambient conditions. An inverse length-scaling of the maximum power as L<sup>-1.03</sup> that creates specific powers as large as 30.0 kW kg<sup>-1</sup> highlights the potential for microscale energy generation.