Journal
LAB ON A CHIP
Volume 13, Issue 13, Pages 2504-2507Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3lc50499a
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Funding
- Natural Sciences and Engineering Research Council of Canada
- Western Economic Diversification Canada
- Canada Foundation for Innovation
- British Columbia Knowledge Development Fund
- Simon Fraser University (SFU)
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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 labon-a-chip and microelectronic applications.
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