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Dataset results
11 results for “PO4”
Stability in water and electrochemical properties of the Na3V2(PO4)2F3 – Na3(VO)2(PO4)2F solid solution
<p>Graphitical Abstract of the publication "Stability in water and electrochemical properties of the Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3</sub> – Na<sub>3</sub>(VO)<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F solid solution" <a href="https://www-sciencedirect-com.docelec.u-bordeaux.fr/science/journal/24058297/20/supp/C">Energy Storage Materials Volume 20</a>, 2019, p. 324-334 - DOI : <a href="https://doi-org.docelec.u-bordeaux.fr/10.1016/j.ensm.2019.04.010">https://doi.org/10.1016/j.ensm.2019.04.010</a></p> <p>Abstract : Polyanionic materials have been intensively studied as promising active materials for <a href="https://www-sciencedirect-com.docelec.u-bordeaux.fr/topics/engineering/positive-electrode">positive electrodes</a> in Na-ion batteries thanks to their excellent stability upon cycling and the fast ionic mobility in their structural framework. Among them, Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3</sub> and Na<sub>3</sub>(VO)<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F are two of the most promising ones due to their high voltages for Na<sup>+</sup>-ion extraction and their high energy densities: 500 mWh g<sup>−1</sup> and 495 mWh g<sup>−1</sup>, respectively. Here, we study the formation mechanism as well as the stability of these phases in <a href="https://www-sciencedirect-com.docelec.u-bordeaux.fr/topics/engineering/aqueous-medium">aqueous media</a> and the possible use of a washing step in water in order to remove undesirable <a href="https://www-sciencedirect-com.docelec.u-bordeaux.fr/topics/materials-science/impurity">impurities</a> formed during the synthesis. Furthermore, the origin of the extra capacity observed at the high voltage region for Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3</sub> and Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>1.5</sub>O<sub>1.5</sub> was studied by <em>operando</em> <a href="https://www-sciencedirect-com.docelec.u-bordeaux.fr/topics/materials-science/x-ray-absorption-spectroscopy">X-ray absorption spectroscopy</a>.</p> <p> </p>
Crystal Structure Solution and High Temperature Thermal Expansions of NaZr2(PO4)3-type Materials
<p>The NaZr<sub>2</sub>P<sub>3</sub>O<sub>12 </sub>(NZP) family<sub> </sub>of materials have shown low and tailorable thermal expansion properties. This dataset includes SrZr<sub>4</sub>P<sub>6</sub>O<sub>24</sub>, CaZr<sub>4</sub>P<sub>6</sub>O<sub>24</sub>, NaTi<sub>2</sub>P<sub>3</sub>O<sub>12</sub>, NaZr<sub>2</sub>P<sub>3</sub>O<sub>12</sub>, MgZr<sub>4</sub>P<sub>6</sub>O<sub>24</sub>, and related solid solutions. These materials were synthesized using the organic-inorganic steric entrapment method. The samples were characterized with in-situ high-temperature x-ray diffraction at the Advanced Photon Source and National Synchrotron Light Source II from 25 to 1500 ℃. The average linear thermal expansion of SrZr<sub>4</sub>P<sub>6</sub>O<sub>24</sub> and CaZr<sub>4</sub>P<sub>6</sub>O<sub>24</sub> was between -1 x10<sup>-6</sup>/℃ and 6 x10<sup>-6</sup>/℃ from 25 to 1500 ℃. High temperature polymorphs of CaZr<sub>4</sub>P<sub>6</sub>O<sub>24</sub> and SrZr<sub>4</sub>P<sub>6</sub>O<sub>24</sub> were solved by Fourier difference mapping and Rietveld refinement. This polymorph is present above about 1250 ℃. This work measured thermal expansion coefficients to 1500 ℃ for all samples and investigated the differences in thermal expansion mechanisms between polymorphs and between compositions. </p>
Plant available NH4, NO3, and PO4 was determined at sites near ARC LTER Toolik acidic tundra and at a toposequence along the floodplain of the Sagavanirktuk River using 2 N KCL and weak HCL extracts, Arctic LTER 1987 to 2002
Plant available NH4, NO3, and PO4 was determined at sites near ARC LTER Toolik acidic tundra and at a toposequence along the floodplain of the Sagavanirktuk River using 2 N KCL and weak HCL extracts. This file complies data collected at different times from 1987 through 2001 and includes initial extracts taken for buried bag method of net nitrogen mineralization.
Extractable NH4-N and NO3-N (2 N KCl), PO4-P (0.025 N HCl) and pH (0.01 M CaCl2) were measured on soils from a transect along the Dalton road, Arctic LTER 1991.
Extractable NH4-N and NO3-N (2 N KCl), PO4-P (0.025 N HCl) and pH (0.01 M CaCl2) were measured on soils from a transect along the Dalton road. Sites are Gus Shaver flowering sites and Arctic LTER sites.
Plant available NH4, NO3, and PO4 was determined at three site (LTER Toolik acidic and nonacidic tundra and Sagwon acidic tundra) and three community combinations (tussock, watertrack, and snowbed) Arctic LTER 1997.
Plant available NH4, NO3, and PO4 was determined at three site (LTER Toolik acidic tundra, LTER Toolik nonacidic tundra, and Sagwon acidic tundra) and three community combinations (tussock, watertrack, and snowbed), three times during the season. pH was also determined in July and strong acid phosphorous in August.
Enabling Long-term Cycling Stability of Na3V2(PO4)3/C vs. Hard Carbon Full-cells
<p>Battery cycling data to research paper: </p><p>https://doi.org/10.26434/chemrxiv-2023-jf6mq </p><p>for questions on the data files, please contact pirmin[dot]stueble[at]kit.edu or anna[dot]smith[at]kit.edu</p>
Accompanying data to the paper: "No superconductivity in Pb9Cu1(PO4)6O found in orbital and spin fluctuation exchange calculations"
<p>Accompanying data to the paper:</p><ul><li>Title: No superconductivity in Pb9Cu1(PO4)6O found in orbital and spin fluctuation exchange calculations</li><li>Authors: Niklas Witt, Liang Si, Jan M. Tomczak, Karsten Held, Tim O. Wehling</li><li>Currently under submission at: <a href="https://scipost.org/submissions/scipost_202309_00006v1/">SciPost Physics</a></li><li>Preprint identifier: <a href=" https://doi.org/10.48550/arXiv.2308.07261">arXiv:2308.07261</a></li></ul><p>The README.txt contains a short description of the files in each directory. Generally, this deposit contains the data from RPA and FLEX calculations of a 2-band model of Cu e_g orbitals on a triangular lattice in Pb_9Cu_1(PO_4)_6O as used to create Fig. 2 and Fig. 3 of the paper referenced above.</p><p>The corresponding 2-band model (Wannierization based on DFT calculations) can be found in a dedicated <a href="https://dx.doi.org/10.17172/NOMAD/2023.10.12-1">NOMAD repository</a>.</p>
A Stable High-Potential Na7V4(P2O7)4(PO4) Cathode for Sodium-Ion Batteries Developed from a Water-Based Slurry
<p>These are the corresponding raw data related to the publication:</p> <p>A Stable High-Potential Na7V4(P2O7)4(PO4) Cathode for Sodium-Ion Batteries Developed from a Water-Based Slurry</p> <p> </p> <p>Ruihao Gong,<sup>+a</sup> Fabio Maroni,<sup>+a</sup> Mario Marinaro<sup>*a</sup></p> <p> </p> <p><sup>a</sup>Zentrum für Sonnenenergie- und Wasserstoff- Forschung, Baden-Württemberg (ZSW)</p> <p>Helmholtzstraße 8 - 89081 Ulm, Germany</p> <p> </p> <p><sup>+</sup>: The authors contribute equally to this study.</p> <p>*: Corresponding: <a href="mailto:mario.marinaro@zsw-bw.de">mario.marinaro@zsw-bw.de</a></p> <h3> </h3>
X-ray patterns for new compound K2BaCa(PO4)2
<p>X-ray patterns for new compound K2BaCa(PO4)2</p>
3D Printing of Na1.3Al0.3Ti1.7(PO4)3 Solid Electrolyte via Fused Filament Fabrication for All-Solid-State Sodium-Ion Batteries
Open the record for dataset details and reuse information.
From Powder to Pouch Cell: Setting up a Sodium-Ion Battery Reference System Based on Na3V2(PO4)3/C and Hard Carbon
<p><strong>Dataset: </strong><strong>F</strong><strong>rom Powder to Pouch </strong><strong>Cell</strong><strong>: Setting up a </strong><strong>Sodium-</strong><strong>I</strong><strong>on Battery </strong><strong>Reference System Based on Na</strong><strong>3</strong><strong>V</strong><strong>2</strong><strong>(PO</strong><strong>4</strong><strong>)</strong><strong>3</strong><strong>/C and Hard Carbon </strong></p> <p>Pirmin Stüble,a,* Cedric Müller,a Nicole Bohn,a Marcus Müller,a Andreas Hofmann,a Tolga Akçay,a Julian Klemens,b Arnd Koeppe,a,c Satish Kolli,d Deepalaxmi Rajagopal,a,c Holger Geßwein,a Wilhelm Schabel,b Philip Scharfer,b Michael Selzer,a,c Joachim R. Binder,a Anna Smitha,*</p> <p>a: Karlsruhe Institute of Technology (KIT), Institute for Applied Materials (IAM),<br> Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany</p> <p>b: Karlsruhe Institute of Technology (KIT), Thin Film Technology (TFT),<br> Straße am Forum 7, 76131 Karlsruhe, Germany</p> <p>c: Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany</p> <p>d: Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, 89081 Ulm, Germany</p> <p>*: Corresponding author: anna.smith@kit.edu, Tel.: +49 721 608 28851,<br> Fax: +49 721 608 28521</p> <p> </p> <p>The uploaded file is an RO-crate export for use with electronic lab notebooks.</p>
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