ISIS Neutron and Muon Source Data Journal
This is a page describing data taken during an experiment at the ISIS Neutron and Muon Source. Information about the ISIS Neutron and Muon Source can be found at https://www.isis.stfc.ac.uk.
Investigating Transport Properties of Sparingly Solvating Electrolytes in Lithium Batteries
Abstract: This proposal presents an innovative investigation into transport properties of Li-ion and lithium polysulfide in sparingly solvating electrolytes (SSE), which are pivotal for the success of next-generation lithium metal batteries. We are investigating SSE formulations that integrate Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) with diglyme (G2) as the solvent and diluents offering no or limited solvating power, namely 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether and Bis(2,2,2-trifluoroethyl) ether. By tuning the component ratios, regions of high salt concentration form, which suppress lithium polysulfide migration and promote a stable solid-electrolyte interphase. Experiments will employ compact Swagelok cells under C/10 cycling to capture spatial and temporal ion transport, utilizing the IMAT CCD whitebeam system with high spatial resolution (~60 um). Tomography, performed at both top and bottom charge states, will enable visualization of inactive regions within the cathode, providing insight into sulfur utilization. This study aims to elucidate the impact of solvation structures on Li-ion and polysulfide transport, offering valuable guidance for the development and optimization of next-generation Li-metal batteries for superior cycling. The results are expected to significantly accelerate improvements in battery efficiency and overall energy sustainability.
Principal Investigator: Dr Roby Soni
Experimenter: Mr Bochen Li`
Local Contact: Dr Sylvia Britto
Experimenter: Dr Thomas Miller
Experimenter: Mr Scott Young
Experimenter: Mr Yiming Guo
DOI: 10.5286/ISIS.E.RB2610072
ISIS Experiment Number: RB2610072
| Part DOI | Instrument | Public release date | Download Link |
|---|---|---|---|
| 10.5286/ISIS.E.RB2610072-1 | IMAT | 08 October 2029 | Download |
Publisher: STFC ISIS Neutron and Muon Source
Data format: RAW/Nexus
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Data Citation
The recommended format for citing this dataset in a research
publication is as:
[author], [date], [title], [publisher],
[doi]
For Example:
Dr Roby Soni et al; (2026): Investigating Transport Properties of Sparingly Solvating Electrolytes in Lithium Batteries, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2610072
Data is released under the CC-BY-4.0 license.
