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A counter-flow-based dual-electrolyte protocol for multiple electrochemical applications
journal contribution
posted on 2018-07-02, 11:48 authored by Xu Lu, Yifei Wang, Dennis Y. Leung, Jin Xuan, Huizhi WangThis paper reports a computational demonstration and analysis of an innovative counter-flow-based microfluidic unit and its upscaling network, which is compatible with previously developed dual-electrolyte protocols and numerous other electrochemical applications. This design consists of multidimensional T-shaped microchannels that allow the effective formation of primary and secondary counter-flow patterns, which are beneficial for both high-performance regenerative H 2 /O 2 redox cells and flow batteries at a low electrolyte flow-rate operation. This novel design demonstrates the potential to achieve high overall energy throughput and reactivity because of the full utilization of all available reaction sites. A computational study on energy and pressure loss mechanism during scale-out is also examined, thereby advancing the realization of an economical electrolyte-recycling scheme.
Funding
This project is financially supported by the CRCG of the University of Hong Kong and the Scottish – Hong Kong SFC/RGC Joint Research Scheme XHKU710/14 and SFC Project H15009.
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Chemical Engineering
Published in
Applied EnergyVolume
217Pages
241 - 248Citation
LU, X. ... et al, 2018. A counter-flow-based dual-electrolyte protocol for multiple electrochemical applications. Applied Energy, 217, pp.241-248.Publisher
© ElsevierVersion
- AM (Accepted Manuscript)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Acceptance date
2018-02-20Publication date
2018-02-28Notes
This paper is closed access until 28 February 2019.ISSN
0306-2619Publisher version
Language
- en