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Issue 13, 2013
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Microfluidic redox battery

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Abstract

A miniaturized microfluidic battery is proposed, which is the first membraneless redox battery demonstrated to date. This unique concept capitalizes on dual-pass flow-through porous electrodes combined with stratified, co-laminar flow to generate electrical power on-chip. The fluidic design is symmetric to allow for both charging and discharging operations in forward, reverse, and recirculation modes. The proof-of-concept device fabricated using low-cost materials integrated in a microfluidic chip is shown to produce competitive power levels when operated on a vanadium redox electrolyte. A complete charge/discharge cycle is performed to demonstrate its operation as a rechargeable battery, which is an important step towards providing sustainable power to lab-on-a-chip and microelectronic applications.

Graphical abstract: Microfluidic redox battery

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Publication details

The article was received on 20 Apr 2013, accepted on 08 May 2013 and first published on 10 May 2013


Article type: Communication
DOI: 10.1039/C3LC50499A
Lab Chip, 2013,13, 2504-2507

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    Microfluidic redox battery

    J. W. Lee, M. Goulet and E. Kjeang, Lab Chip, 2013, 13, 2504
    DOI: 10.1039/C3LC50499A

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