A microfluidic galvanic cell on a single layer of paper

Purohit, Krutarth; Emrani, Saina; Rodríguez, S. M.; Liaw, Shi-Shen; Pham, Linda; Galvan, Vicente; Domalaon, Kryls; Gomez, Frank A.; Haan, John L.

doi:10.1016/j.jpowsour.2016.03.109

Cited by 34 publications

(15 citation statements)

References 32 publications

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“…This technique eliminates the need for peripheral equipment such as pumps and can result in significant cost reductions thanks to the simplicity of the fabrication methods and the use of inexpensive materials. [23][24][25] Some of these devices are able to deliver energy for long periods of time and, therefore, are appropriate for low power consumer electronics. 26,27 Optofluidics is a field that integrates microfluidics with optics and that has found potential applications in the energy domain.…”

Section: Fuel Cellsmentioning

confidence: 99%

The potential for microfluidics in electrochemical energy systems

Modestino

Rivas

Hashemi

et al. 2016

Energy Environ. Sci.

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Section: Fuel Cellsmentioning

confidence: 99%

The potential for microfluidics in electrochemical energy systems

Modestino

Rivas

Hashemi

et al. 2016

Energy Environ. Sci.

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“…A smart way of overcoming this drawback has been assessed for micro‐scale fuel cells with capillary‐based microfluidics, which rely on paper and other porous matrices for fluid transport and thus eliminate the need for external pumps . Paper‐based microfluidic fuel cells have already demonstrated their feasibility with well‐known fuels, such as methanol, ethanol, hydrogen, or formic acid . However, as mentioned above, the need for noble metal catalysts prevents their usability as primary power sources.…”

Section: Introductionmentioning

confidence: 99%

An Organic Redox Flow Cell‐Inspired Paper‐Based Primary Battery

et al. 2020

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A portable paper‐based organic redox flow primary battery using sustainable quinone chemistry is presented. The compact prototype relies on the capillary forces of the paper matrix to develop a quasi‐steady flow of the reactants through a pair of porous carbon electrodes without the need of external pumps. Co‐laminar capillary flow allows operation Under mixed‐media conditions, in which an alkaline anolyte and an acidic catholyte are employed. This feature enables higher electrochemical cell voltages during discharge operation and the utilization of a wider range of available species and electrolytes and provides the advantage to form a neutral or near‐neutral pH as the electrolytes neutralize at the absorbent pad, which allows a safe disposal after use. The effects of the device design parameters have been studied to enhance battery features such as power output, operational time, and fuel utilization. The device achieves a faradaic efficiency of up to 98 %, which is the highest reported in a capillary‐based electrochemical power source, as well as a cell capacity of up to 11.4 Ah L−1 cm−2, comparable to state‐of‐the‐art large‐scale redox flow cells.

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“…Some paper-based devices were also developed in order to provide a flexible power-source. Purohit et al [68] developed microfluidic galvanic and hybrid cells on a single layer of paper. The cell had zinc and copper powder that was painted on the paper to serve as the anode and cathode.…”

Section: Miscellaneous Applicationsmentioning

confidence: 99%

Literature Review of the Use of Zinc and Zinc Compounds in Paper-Based Microfluidic Devices

Charbaji¹,

Heidari-Bafroui²,

Anagnostopoulos³

et al. 2021

JMMCE

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Zinc and its compounds, alloys and composites play an important role in the modern day world and find application in almost every aspect that can improve the quality of our lives. This ranges from supplements and pharmaceuticals that are meant to improve our health and wellbeing to additives meant to guard or reduce corrosion in metals. However, over the past several years, a new area of technology has been garnering a great deal of attention and has made use of zinc and its compounds. This is with reference to paper-based microfluidic technology that offers several advantages and that keeps expanding in the amount of applications it covers. In this paper, a review is offered for the applications that have used zinc or zinc compounds in paper-based microfluidic devices.

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A microfluidic galvanic cell on a single layer of paper

Cited by 34 publications

References 32 publications

The potential for microfluidics in electrochemical energy systems

The potential for microfluidics in electrochemical energy systems

An Organic Redox Flow Cell‐Inspired Paper‐Based Primary Battery

Literature Review of the Use of Zinc and Zinc Compounds in Paper-Based Microfluidic Devices

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