A mixed-pH dual-electrolyte microfluidic aluminum–air cell with high performance

Binbin Chen, Dennis Y.C. Leung, Jin Xuan and Huizhi Wang

Applied Energy, 2017, vol. 185, issue P2, 1303-1308

Abstract: Energy storage capacity has been a major limiting factor in pursuit of increasing functionality and mobility for portable devices. To increase capacity limits, novel battery designs with multi-electron redox couples and increased voltages have been listed as a priority research direction by the US Department of Energy. This study leverages the benefits of microfluidics technology to develop a novel mixed-pH media aluminum–air cell which incorporates the advantages of the trivalence of aluminum and mixed-pH thermodynamics. Experimentally, the new cell exhibited an open circuit potential of 2.2V and a maximum power density of 176mWcm−2, which are respectively 37.5% and 104.6% higher than conventional single alkaline aluminum–air cell under similar conditions. With further optimization of channel thickness, a power density of 216mWcm−2 was achieved in the present study.

Keywords: Aluminum–air cell; Co-laminar flow; Dual-electrolyte; Microfluidic (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (8)

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DOI: 10.1016/j.apenergy.2015.10.029

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