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251 results for “Electrolyte”
Supporting information for "Underscreening in concentrated electrolytes: Polyelectrolyte brushes exhibit re-entrant swelling behaviour"
<p>This deposition contains the data and analysis (Jupyter notebooks) detailed in "Underscreening in concentrated electrolytes: Polyelectrolyte brushes exhibit re-entrant swelling behaviour". All Jupyter notebooks have also been converted into PDF files for ease of viewing. </p> <p>All data and code (notebooks) required to reproduce the analysis can be found within the “supporting_data.zip” archive. This archive contains three sub-directories: </p> <p><strong>Spectroscopic_ellipsometry</strong> </p> <ul> <li> <p>Data directory (data_files) containing all raw ellipsometry data. </p> </li> <li> <p>“PMETAC_wet_analysis.ipynb” notebooks to reproduce the analysis of a hydrated (solid-liquid) polymer brush. Further relevant plotting tools can be found in the <a href="https://github.com/refnx/refellips">refellips</a> repo. </p> </li> <li> <p>“PMETAC_dry.ipynb” notebook to reproduce the analysis of the dry polymer film and create the areal maps. </p> </li> </ul> <p><strong>Neutron_reflectometry</strong> </p> <ul> <li> <p>Data directory (NamedData) containing all relevant reduced reflectivity profiles from the Platypus reflectometry at ANSTO. </p> </li> <li> <p>“NR_dry.ipynb”, “NR_Solid-Liquid.ipynb” notebooks required to reproduce the analysis pertaining to a dry polymer brush and a solvated brush, respectively. </p> </li> <li> <p>“NR_Solid-Liquid_corefine.ipynb” notebook for reproducing the simultaneous optimisation of the PMETAC brush in D2O and H2O: co-refinement. </p> </li> <li> <p>Additional code required to model the hydrated polymer brush and various plotting tools can be found in the <a href="https://github.com/igresh/refnxtoolbox">refnxtoolbox</a> repo and the <a href="https://github.com/refnx/refnx">refnx</a> repo. </p> </li> </ul> <p><strong>nSCFT </strong></p> <ul> <li> <p>Files containing the polymer, ion, and solvent VF profiles from nSCFT calculations. </p> </li> </ul> <p> </p>
DataSet for "Hybrid Based on Phenazine Conjugated Microporous Polymer as a High-Performance Organic Electrode in Aqueous Electrolytes"
<p>All raw data were obtained directly by the instruments and were then elaborated by us using Origin and/or Excel. All the facilities used, except for the NMR measurements, are present in IMDEA Energy Institute <br> <br> </p>
Supporting Information for "Solvent modulated specific ion effects: PNIPAM brushes in non-aqueous electrolytes"
<p>This deposition contains the data and analysis (Jupyter notebooks) detailed in <em>Solvent modulated specific ion effects: PNIPAM brushes in non-aqueous electrolytes</em>. All Jupyter notebooks have also been converted into PDF files for ease of viewing.</p> <p> </p> <p>All data and code (notebooks) required to reproduce the analysis can be found within the “supporting_data_analysis.zip” archive. This archive contains three sub-directories:</p> <ul> <li>Ellipsometry <ul> <li>Data directories containing all raw ellipsometry data for the ‘thick’ and ‘thin’ PNIPAM brushes.</li> <li>Spatial maps of the polymer brush used for spectroscopic ellipsometry data analysis: “surface_map.png”.</li> <li>“refellips_Spectroscopic_SL.ipynb” notebook to reproduce the analysis of the hydrated (solid-liquid) ‘thin’ polymer brush. Relevant plotting tools can be found in the <a href="https://github.com/refnx/refellips">refellips repo</a>.</li> <li>“Ellipsometry_logistical_fitting.ipynb” notebook and “water_results.csv” file for the demonstration of the extraction of a thermotransition temperature from an ellipsometry dataset. </li> <li>“refellips_Spectroscopic_SL_VFP.ipynb” notebook to reproduce the analysis of the hydrated (solid-liquid) ‘thick’ polymer brush.</li> </ul> </li> <li>Neutron_reflectometry <ul> <li>Data directory containing all relevant reduced reflectivity profiles from the Platypus reflectometer at ANSTO.</li> <li>“refnx_dry.ipynb” and “refnx_solvent.ipynb” notebooks required to reproduce the analysis pertaining to a dry polymer brush and a solvated brush, respectively.</li> <li>Additional code required to model the hydrated polymer brush and various plotting tools can be in the <a href="https://github.com/igresh/refnxtoolbox">refnxtoolbox repo</a>.</li> </ul> </li> </ul>
Evolutionary footprints of cold adaptation in arctic-alpine Cochlearia (Brassicaceae) – evidence from freezing experiments and electrolyte leakage
Open the record for dataset details and reuse information.
Dataset from: Forces between silica particles in isopropanol solutions of 1:1 electrolytes
<p>The dataset from the publication: "Forces between silica particles in isopropanol solutions of 1:1 electrolytes"</p> <p>DOI: <a href="https://doi.org/10.1103/PhysRevResearch.2.023315">10.1103/PhysRevResearch.2.023315</a></p> <p>Files contain x and y data for the figures in the publication in the ASCII format.</p>
Molecular dynamics simulations data for "Bayesian unsupervised learning reveals hidden structure in concentrated electrolytes".
<p>Molecular dynamics simulation data created and used in "Bayesian unsupervised learning reveals hidden structure in concentrated electrolytes".</p> <p> </p>
Data associated to the manuscript "Computational Screening of the Physical Properties of Water-in-Salt Electrolytes"
<p>Contains input files and data used to generate the figures of the article:</p> <p>Computational Screening of the Physical Properties of Water-in-Salt Electrolytes</p> <p>Trinidad Mendez-Morales, Zhujie Li and Mathieu Salanne,<br> *ChemRxiv*, 13012646v2, 2020</p> <p>[https://doi.org/10.26434/chemrxiv.13012646.v2](https://doi.org/10.26434/chemrxiv.13012646.v2)</p> <p>*WiS-inputs.zip* contains typical [LAMMPS](https://lammps.sandia.gov/) input files for all the systems.</p> <p>The folder *transport_coefficients* contains the computed viscosities, conductivities and diffusion coefficients for all the systems.</p> <p>The folder *radial_distribution_functions* contains all the partial radial distribution functions for all the systems. The nomenclature of the atoms of the anion is provided in the file *figureS1.pdf* and the atoms from the water molecules are labelled Ow and Hw.</p>
Tungsten Trioxide adsorbed on hexagonal boron nitride in acidic electrolyte
<p>Dynamic behaviour of ((WO)<sub>3</sub>)<sub>3 </sub>clusters on hexagonal boron nitride (h-BN) after almost complete fill-up of pores. Electrochemical Scanning Tunneling microscopy images taken with tungsten tips in 0.1M H<sub>2</sub>SO<sub>4. </sub></p>
Tungsten Trioxide Adsorption on hexagonal boron nitride in acidic electrolyte
<p>Progressive adsorption of ((WO)<sub>3</sub>)<sub>3</sub> clusters in initially vacant pores of hexagonal boron nitride 2D-crystal. Electrochemical Scanning Tunneling microscopy images taken with tungsten tips in 0.1M H<sub>2</sub>SO<sub>4. </sub>Seen in time-lapse images. Recording of these images commences as soon as tunnelling is established, strong effects of noise are still present. Time stamp in seconds.</p>
Data from: Frost damage measured by electrolyte leakage in subarctic bryophytes increases with climate warming
<p>1. Observed climate change in northern high latitudes is strongest in winter, but still relatively little is known about the effects of winter climate change on tundra ecosystems. Ongoing changes in winter climate and snow cover will change the intensity, duration, and frequency of frost events. Bryophytes form a major component of northern ecosystems but their responses to winter climate changes are largely unknown. 2. Here, we studied how changes in overall winter climate and snow regime affect frost damage in three common bryophyte taxa that differ in desiccation tolerance in a subarctic tundra ecosystem. We used a snow manipulation experiment where bryophyte cores were transplanted from just above the treeline to similar elevation (i.e., current cold climate) and lower elevation (i.e., near-future warmer climate scenario) in Abisko, Sweden. Here we measured frost damage in shoots of <em>Ptilidium ciliare</em>, <em>Hylocomium splendens</em> and <em>Sphagnum fuscum</em> with the relative electrolyte leakage (REL) method, during late winter and spring in two consecutive years. We hypothesized that frost damage would be lower in a milder climate (low site), higher under reduced snow cover, and that taxa from moister habitats with assumed low desiccation tolerance would be more sensitive to lower temperature and thinner snow cover than those from drier and more exposed habitats. 3. Contrary to our expectations, frost damage was highest at low elevation, while the effect of snow treatment differed across sites and taxa. At the high site, frost damage was reduced under snow addition in the taxon with the assumed lowest desiccation tolerance, <em>S. fuscum</em>. Surprisingly, frost damage increased with mean temperature in the bryophyte core of the preceding 14 days leading up to REL measurements and decreased with higher frost degree sums, i.e., was highest in the milder climate at the low site. 4. Synthesis. Our results imply that climate warming in late winter and spring increases frost damage in bryophytes. Given the high abundance of bryophytes in tundra ecosystems, higher frost damage could alter the appearance and functioning of the tundra landscape, although the short and long-term effects on bryophyte fitness remain to be studied.</p>
Evaluation of short alkyl chain modified [DBU][TFSI] based ionic liquids as supercapacitor electrolytes
<p>This dataset contains the measurement data for figures (graphs) published in journal article:</p> <p>Evaluation of short alkyl chain modified [DBU][TFSI] based ionic liquids as supercapacitor electrolytes (doi:<span> <a title="https://doi.org/10.1016/j.electacta.2023.143659" href="https://doi.org/10.1016/j.electacta.2023.143659" target="_blank" rel="noopener">10.1016/j.electacta.2023.143659)</a></span></p> <p>by Olli Pitkänen, Nemanja Vucetic, Helene Cabaud, Eva Bozo, Topias Järvinen, Jyri-Pekka Mikkola and Krisztian Kordas </p>
GC raw data of sodium ion electrolytes before and after battery storage
<p>Raw data of the GC measurements before and after battery storage. Additionally, the pure electrolyte as well as the pure solvent (DCM, dichloromethane) is mentioned. </p>
NFFA-Europe|Pilot proporsal "Production and characterization of highly controlled silicon oxide nanoparticles for solid polymer electrolytes" (PID: 444).
<p>XPS, IR, and QMS data of the nanoparticles synthesized within the NFFA-Europe|Pilot proporsal PID 444</p>
Supporting data for "Electrochemical Removal of HF from Carbonate-based LiPF6-containing Li-ion Battery Electrolytes"
<p>This is the dataset of electrochemical experiments and BET analysis for our publication "Electrochemical Removal of HF from Carbonate-based LiPF6-containing Li-ion Battery Electrolytes" (DOI: <span><a href="https://doi.org/10.1149/1945-7111/ad30d3"><span>https://doi.org/10.1149/1945-7111/ad30d3</span></a></span>). This archive contains the raw data and Python Jupyter Notebook computer code to process, analyze, and generate the plots in this manuscript and its Supporting Information.</p> <p> </p> <p><span>Abstract for the manuscript:</span></p> <p> </p> <p><span>Due to the hydrolytic instability of LiPF6 in carbonate-based solvents, HF is a typical impurity in Li-ion battery electrolytes. HF significantly influences the performance of Li-ion batteries, for example by impacting the formation of the solid electrolyte interphase at the anode and by affecting transition metal dissolution at the cathode. Additionally, HF complicates studying fundamental interfacial electrochemistry of Li-ion battery electrolytes, such as direct anion reduction, because it is electrocatalytically relatively unstable, resulting in a LiF passivation layer. Methods to selectively remove ppm levels of HF from LiPF6-containing carbonate-based electrolytes are limited. We introduce and benchmark a simple yet efficient electrochemical method to selectively remove ppm amounts of HF from LiPF6-containing carbonate-based electrolytes. The basic idea is the application of a suitable potential to a high surface-area metallic electrode upon which only HF reacts (electrocatalytically) while all other electrolyte components are unaffected under the respective conditions.</span></p> <p> </p>
Understanding the Ageing Processes of Electrolytes in Aqueous Magnesium Batteries Using Radiation Chemistry
<p>Data corresponding to the publication : </p> <p><span>10.1002/batt.202400209</span></p>
Data set related to the manuscript "Understanding the chemical shifts of aqueous electrolyte species adsorbed in carbon nanopores"
<p>Graphical files in the agr format for all the figures in the manuscript entitled "Understanding the chemical shifts of aqueous electrolyte species adsorbed in carbon nanopores". Examples of input files for the density functional theory, lattice and molecular dynamics simulations are also provided.</p>
Original data for publications: Direct solution–based synthesis of the Na4(B12H12)(B10H10) solid electrolyte, Experimental investigation of Mg(B3H8)2 dimensionality, materials for energy storage applications, Thermal Conversion of Unsolvated Mg(B3H8)2 to BH4– in the Presence of MgH2
<p>Original data for the following papers (Only part of University of Geneva, synthesis part):</p> <p>Direct solution–based synthesis of the Na4(B12H12)(B10H10) solid electrolyte<br> Gigante, A.; Duchêne, L.; Moury, R.; Pupier, M.; Remhof, A.; Hagemann, H.<br> ChemSusChem 2019, 12, 4832-4837</p> <p>Experimental investigation of Mg(B3H8)2 dimensionality, materials for energy storage applications<br> Romain Moury, Angelina Gigante, Arndt Remhof, Elsa Roedern and Hans Hagemann<br> Dalton Trans., 2020,49, 12168-12173, https://doi.org/10.1039/D0DT02170A</p> <p>Thermal Conversion of Unsolvated Mg(B3H8)2 to BH4– in the Presence of MgH2<br> Angelina Gigante, Noemi Leick, Andrew S. Lipton, Ba Tran, Nicholas A. Strange, Mark Bowden, Madison B. Martinez, Romain Moury, Thomas Gennett, Hans Hagemann, and Tom S. Autrey<br> ACS Appl. Energy Mater. 2021, 4,3737-3747. https://doi.org/10.1021/acsaem.1c00159</p> <p> </p>
Original data for publications: Study of the Temperature- and Pressure-Dependent Structural Properties of Alkali Hydrido-closo-borate Compounds, and: Pressure-induced phase transitions in Na2B12H12, structural investigation on a candidate for solidstate electrolyte
<p>Original data for publications (part of University of Geneva only):</p> <p>Study of the Temperature- and Pressure-Dependent Structural<br> Properties of Alkali Hydrido-closo-borate Compounds<br> Inorg. Chemistry 2022 61, 5224-5233, <br> https://doi.org/10.1021/acs.inorgchem.1c03681</p> <p>Pressure-induced phase transitions in Na2B12H12,<br> structural investigation on a candidate for solidstate electrolyte<br> Acta Cryst. B 2019 B75 406-413<br> https://doi.org/10.1107/S2052520619004670</p> <p> </p>
Investigation of protic ionic liquid electrolytes for porous RuO2 micro-supercapacitors (dataset)
<p>Figures dataset for Journal of Power Sources 548 (2022) 232040</p>
Dataset related to the publication "New Technique for Probing the Protecting Character of the Solid Electrolyte Interphase as a Critical but Elusive Property for Pursuing Long Cycle Life Lithium-Ion Batteries"
<p>The formation of a protecting nano-layer, so-called Solid Electrolyte Interphase (SEI), on the negative electrode of Li-ion batteries (LIBs) from product precipitation of the cathodic decomposition of the electrolyte is a blessing since the electrically-insulating nature of this nano-layer protect the electrode surface preventing continuous electrolyte decomposition and enabling the large nominal cell voltage of LIBs, e.g. 3.3 – 3.8 V. Thus, the protecting performance of the nano-layer SEI is essential for LIBs to achieve long cycle life. Unfortunately, evaluation of this critical property of the SEI is not trivial. Herein, a new, cheap and easily-implementable methodology is presented to estimate the protecting quality of the SEI; the redox-mediated enhanced coulometry. The key element of the methodology is the addition of a redox-mediator in the electrolyte during degassing step (after the SEI formation cycle). The redox-mediator leads to an internal self-discharge process that is inversely proportional to the protecting character of the SEI. And the self-discharge process results in an easily-measurable decrease in coulombic efficiency. The influence of vinylene carbonate as electrolyte additive in the resulting SEI is used as case study to showcase the potential of the proposed methodology</p>
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