High Energy Conversion Efficiency in Nanofluidic Channels

被引：116
|
作者：
Gillespie, Dirk [1 ]
机构：
[1] Rush Univ, Med Ctr, Dept Mol Biophys & Physiol, Chicago, IL 60612 USA
来源：
NANO LETTERS | 2012年 / 12卷 / 03期
关键词：
Nanofluidic; energy conversion; ion layering; density functional theory of fluids; DENSITY-FUNCTIONAL THEORY; ELECTRICAL DOUBLE-LAYERS; POISSON-BOLTZMANN THEORY; HIGH SURFACE-CHARGE; MONTE-CARLO; HARD-SPHERES; NANOPARTICLES; MODEL; IONS; APPROXIMATION;
D O I：
10.1021/nl204087f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
It is proposed that the layering of large ions at the wall/liquid interface of nanofluidic channels can be used to achieve high efficiency (possibly >50%) in the conversion of hydrostatic energy into electrical power. Large ions tend to produce peaks and troughs in their concentration profiles at charged walls, producing high concentrations far from the walls where the ions' pressure-driven velocity is high. This increases the streaming conductance and the energy conversion efficiency.
引用
收藏
页码：1410 / 1416
页数：7
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