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A Guanidium Salt as a Chaotropic Agent for Aqueous Battery Electrolytes

26 September 2023, Version 2
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

This study investigates a salt design principle for aqueous battery electrolytes by combining chaotropic ions, guanidium cations (Gdm) and bis(trifluoromethanesulfonyl)imide anions (TFSI), forming GdmTFSI. This salt's crystal structure was solved via single-crystal X-ray diffraction and characterized using Fourier-transform infrared spectroscopy. Study reveals that GdmTFSI salt disrupts the hydrogen bonding network of aqueous solutions, impacting water reactivity at electrochemical interfaces.

Keywords

Aqueous
Electrolyte

Supplementary materials

Title
Description
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Title
Supporting Information
Description
Methods and Materials, Crystal Structure, Further Figures
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Version History

Sep 26, 2023 Version 2

Version Notes

Figure 4 had curves labelled incorrectly, this has been fixed.

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The content is available under CC BY 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2023-fm8zb-v2
D O I: 10.26434/chemrxiv-2023-fm8zb-v2 [opens in a new tab]

Funding

Horizon 2020
945357

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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