Mechanical-to-Electric Energy Conversion by Mechanically Driven Flow of Electrolytes Confined in Nanochannels
Mechanical-to-Electric Energy Conversion by Mechanically Driven Flow of Electrolytes Confined in Nanochannels
复制标题
通过限制在纳米通道中的机械驱动电解质流实现机械能到电能的转换
DOI:
10.7567/apex.6.015202
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发表时间:
2013
影响因子:
2.3
通讯作者:
Xi Chen
中科院分区:
文献类型:
--
作者:
Hyuck Lim;Weiyi Lu;Yu Qiao;Xi Chen
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.
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