Evaluation of Nanoporous Polymer Membranes for Electrokinetic Energy Conversion in Power Applications

被引:35
作者
Bentien, Anders [1 ]
Okada, Tatsuhiro [2 ]
Kjelstrup, Signe [3 ]
机构
[1] Aarhus Univ, Dept Engn, DK-8000 Aarhus C, Denmark
[2] Tsukuba Fuel Cell Lab Inc, Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan
[3] Norwegian Univ Sci & Technol, Dept Chem, N-7491 Trondheim, Norway
关键词
MICROPOROUS MEMBRANES; WATER TRANSPORT; EFFICIENCY; GENERATION; ION;
D O I
10.1021/jp308957q
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Electrokinetic energy conversion for pumping or power generation has for the past decade regained attention with focus on applications within pumping in nanofluidics or microgenerators. Little experimental work has been published and mostly in relation to clean-room fabricated nanopores. In the present study, it is suggested that electrokinetic energy conversion has a potential as future decentralized electrical energy sources, if polymer membranes are used. On the basis of new electrokinetic measurements and literature data, we have made a systematic study of commercially available nanoporous polymer membranes and found a promising first law efficiency of 5.5% in one polymer-electrolyte system. It is likely that future more rigorous and targeted studies will find even larger conversion efficiencies.
引用
收藏
页码:1582 / 1588
页数:7
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