Device for rheometry, impedance spectroscopy, and electrochemistry on fluid electrodes

Aditya Narayanan; Frieder Mugele; Michael H.G. Duits

doi:10.1063/1.5031126

Device for rheometry, impedance spectroscopy, and electrochemistry on fluid electrodes

Aditya Narayanan, Frieder Mugele, Michael H.G. Duits^* (Corresponding Author)

^*Corresponding author for this work

Physics of Complex Fluids

Research output: Contribution to journal › Article › Academic › peer-review

2 Citations (Scopus)

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Abstract

We describe the extension of a rheometer to enable in situ impedance spectroscopy and electrochemical cycling. Key advantages of this instrument over traditional flow-channel based methods for studying fluid electrodes are the possibilities to monitor the rheological properties during cycling as well as to control the mechanical history of the sample. We describe two electrochemical configurations of the instrument, allowing fluid electrodes to be studied as full and half-cells. To demonstrate the systems' capabilities, we present characterizations of 4 different fluid electrode systems.

Original language	English
Article number	025112
Journal	Review of scientific instruments
Volume	90
Issue number	2
DOIs	https://doi.org/10.1063/1.5031126
Publication status	Published - 25 Feb 2019

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AB - We describe the extension of a rheometer to enable in situ impedance spectroscopy and electrochemical cycling. Key advantages of this instrument over traditional flow-channel based methods for studying fluid electrodes are the possibilities to monitor the rheological properties during cycling as well as to control the mechanical history of the sample. We describe two electrochemical configurations of the instrument, allowing fluid electrodes to be studied as full and half-cells. To demonstrate the systems' capabilities, we present characterizations of 4 different fluid electrode systems.

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Device for rheometry, impedance spectroscopy, and electrochemistry on fluid electrodes

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