4.6 Article

Liquid flow-induced energy harvesting in carbon nanotubes: a molecular dynamics study

Journal

PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 15, Issue 4, Pages 1164-1168

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cp42204b

Keywords

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Funding

  1. National Natural Science Foundation of China [11172231]
  2. National Science Foundation [CMMI-0643726]
  3. DARPA [W91CRB-11-C-0112]
  4. World Class University program through the National Research Foundation of Korea [R32-2008-000-20042-0]
  5. National Research Foundation of Korea [R32-2012-000-20042-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Energy harvesting by the flow of a hydrochloric acid-water solution through a carbon nanotube (CNT) is explored using atomistic simulations. Through ion configurations near the CNT wall, the ion drifting velocity is obtained, and the induced voltage along the axial direction is obtained as a function of key material and system parameters, including the applied flow rate, ambient temperature, solution concentration and nanotube diameter. The molecular mechanism of ion hopping and motion is elucidated and related to the variation of material and system parameters.

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