Towards reliable three-electrode cells for lithium–sulfur batteries

19 August 2021, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Three-electrode measurements are valuable to the understanding of the electrochemical processes in a battery system. However, their application in lithium–sulfur chemistry is difficult due to the complexity of the system and thus rarely reported. Here, we present a simple three-electrode cell format with relatively good life time and minimum interference with the cell operation.

Keywords

lithium-sulfur batteries
three-electrode cell
gold micro-reference electrode

Supplementary materials

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Supporting Information
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List of content: 1. Cycling statistics of all the three- and two-electrode cells 2. Cell voltage and cell resistance profiles of all cells 3. Potential and resistance profiles in the later cycles of the cells not included in Fig. 3 4. Statistics of the diffusion resistance coefficient (k) 5. Cycling statistics of all the coin cells
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