Paper-based energy harvesting from salinity gradients

Lab on a Chip
Hyung-Kwan ChangJungyul Park

Abstract

Paper-based microfluidic devices have many advantages such as low cost, flexibility, light weight and easy disposability. Especially, since they can intrinsically generate capillary-driven flow (no pumps are needed), paper-based microfluidic devices are widely used in analytical or diagnostic platforms. Along with advancements in microfluidic paper-based analytical devices (μPADs), energy generation using paper materials has received significant attention. In this study, environment-friendly and flexible paper-based energy harvesting with a simple configuration is demonstrated by using the principle of reverse electrodialysis (RED). RED is a promising clean energy generation method, which converts Gibbs free energy into electricity by salinity gradients without discharging any pollutants. However, the power efficiency in a conventional RED device is limited by the essential requirement of active pumping for providing high and low concentration electrolytes. Capillary pumping from the proposed paper-based RED can save this waste of energy, and moreover, the flexible device is realized with cost effective materials and a simple fabrication step, and is environmentally friendly. By thoughtful analysis of voltage-current experiment...Continue Reading

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Dec 18, 2013·Biosensors & Bioelectronics·Thu H NguyenSeokheun Choi

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Citations

Jul 2, 2016·Lab on a Chip·M SafdarS Sánchez
Jan 6, 2021·Environmental Science and Pollution Research International·Govindarasu RamasamyMeyyappan Narayanan
Feb 17, 2021·Scientific Reports·Sungmin ParkSung Jae Kim
May 6, 2021·ACS Applied Materials & Interfaces·Nan ShengHuaping Wang
Mar 19, 2019·Analytical Chemistry·Bingbing GaoZhongze Gu
Sep 22, 2021·ACS Applied Materials & Interfaces·Jaedeok SeoWonjung Kim

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