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Mechanical-to-Electric Energy Conversion by Mechanically Driven Flow of Electrolytes Confined in Nanochannels

Title
Mechanical-to-Electric Energy Conversion by Mechanically Driven Flow of Electrolytes Confined in Nanochannels
Author
Xi Chen
Keywords
SUPERCAPACITORS; NANOGENERATOR; GRAPHENE; SYSTEM
Issue Date
2013-01
Publisher
JAPAN SOCIETY OF APPLIED PHYSICS
Citation
Applied Physics Express, January 2013, 6(1), 15202p ~ 0152024p
Abstract
This letter presents a conceptual mechanical-to-electric energy harvesting mechanism, in which an electrolytic flow is driven through a nanoporous electrode to perturb the interfacial electrochemical equilibrium and generate voltage. Using an electrochemical analysis coupled with molecular simulations, we demonstrate that both flow velocity and nanopore size have prominent effects on the structural and electrochemical properties of nanoconfined electrolytes. By first-order approximation, the energy conversion efficiency is found to be promising, and strategies for further improvements are suggested. A preliminary experiment is carried out to validate that the electrolytic flow in nanopores can cause significant energy generation. (C) 2013 The Japan Society of Applied Physics
URI
http://iopscience.iop.org/article/10.7567/APEX.6.015202/metahttps://repository.hanyang.ac.kr/handle/20.500.11754/69618
ISSN
1882-0778
DOI
10.7567/APEX.6.01520
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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