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45 results for “Pouch Cell”
Measurement Dataset of Thermal Fault Emulation of a 46Ah High-Power Kokam Nano Pouch Cell via Uniform and Local Heating
<h1>Preface</h1> <p>This dataset contains experimental data that supplement the article <em>Thermal fault detection by changes in electrical behaviour in lithium-ion cells </em>(<a href="https://doi.org/10.1016/j.jpowsour.2021.229572" target="_blank" rel="noopener">10.1016/j.jpowsour.2021.229572</a>) in the Journal of Power Sources. This dataset extends the already published cell characteristics (see <a href="https://doi.org/10.17632/g443f7cn7p.2" target="_blank" rel="noopener">10.17632/g443f7cn7p.2</a>) by all measured quantities associated with the conducted study. Therefore, the dataset includes sensor readings that have not been described in the before mentioned documents due to space limitations. <em><br></em></p> <p>The published data belongs to the master thesis <em>Development of a model-based method for the early detection of safety-critical heating of lithium-ion cells (transl.), Klink</em> <em>(2020), TU Clausthal</em> that is connected to a study thankfully funded by the European Automobile Manufacturers' Association (ACEA).</p> <h1>Structure</h1> <p>The repository is subdivided in four directories (.zip) based on the content. Within these directories, the individual datasets can be found. While every dataset contains three different file types, the corresponding files can be identified based on the identical filenames. The following file types are provided:</p> <table> <tbody> <tr> <td><strong>File type</strong></td> <td><strong>Content</strong></td> <td><strong>Comment</strong></td> </tr> <tr> <td>*.png</td> <td>Simple graph of the provided data.</td> <td>Missing values are interpolated.</td> </tr> <tr> <td>*.csv</td> <td>Tabular data of the dataset.</td> <td>Columns are separated by ";", the decimal point is ".".</td> </tr> <tr> <td>*.pickle</td> <td>Pickled object of a <a href="https://pandas.pydata.org/docs/index.html" target="_blank" rel="noopener">pandas</a> dataframe (Python) of the data. Preserve index and data types.</td> <td>Pickled with pandas version 2.2.2 using the pickle protocol 5</td> </tr> </tbody> </table> <p>The index and column names of the tabular time series have the following name scheme: X_Y_Z </p> <table> <tbody> <tr> <td><strong>Placeholder</strong></td> <td><strong>Description</strong></td> <td><strong>Example</strong></td> </tr> <tr> <td>X</td> <td>Quantity symbol</td> <td>U for voltage, I for current</td> </tr> <tr> <td>Y</td> <td>[optional] Additional index</td> <td><em>meas </em>for measured quantities</td> </tr> <tr> <td>Z</td> <td>Unit</td> <td>s for seconds, V for volt</td> </tr> </tbody> </table> <h1>Content</h1> <p>The dataset contains the data of both experiments for validation and for investigation of the fault characteristics of the conducted thermal abuse test. While the electrical quantities have been recorded using a battery test stand from Keysight/Scienlab (SL60/200/12BT4C) the temperature readings have been measured by type K thermocouples and recorded with data logger from PCE instruments. For all tests, the temperature sample rate has been set to 1 Hz. Please refer to the attached schematics in <em>SensorPositions.zip</em> for the placement of the individual thermocouples. In addition, T_5 represents the surrounding and T_2 is on the backside of T_1. The sensor positions T_7 and T_8 are added only for the uniform heating where T_7 is located between heating element and cell and T_8 central at the heating plate. Within the referenced article, only T_1 has been used. </p> <p>For details on the experimental setup, please refer to the method section of the linked article. </p> <h2>1. Validation</h2> <table> <tbody> <tr> <td><strong>Description</strong></td> <td> </td> <td>The data contains the electrical load of the cell with an extended WLTC driving cycle that has been scaled to approx. 400 A as well as the corresponding temperature at T_1. The test was conducted within a climatic chamber at 20°C. This data can be used to either parameterize a model of the cell or to validate a model based on other parameter such as the linked parameter set.</td> </tr> <tr> <td><strong>Columns</strong></td> <td>t_s</td> <td>Test time in seconds</td> </tr> <tr> <td> </td> <td>I_meas_A</td> <td>Applied current for WLTC emulation</td> </tr> <tr> <td> </td> <td>U_meas_V</td> <td>Voltage response of cell</td> </tr> <tr> <td> </td> <td>T_meas_C</td> <td>Cell surface temperature</td> </tr> </tbody> </table> <h2>2. ThermalCalibration</h2> <table> <tbody> <tr> <td><strong>Description</strong></td> <td> </td> <td>For each heating setup (uniform, local) this directory contains one data set. Within this experiment, the cell was pulsed with short high current (150 A) pulses to achieve a constant thermal heating power without changing the SOC. Based on the temperature response, a thermal model can be parameterized for both heating setups. Please note, that the electrical sample rate was higher and no interpolation was conducted. </td> </tr> <tr> <td><strong>Columns</strong></td> <td>t_s</td> <td>Test time in seconds</td> </tr> <tr> <td> </td> <td>I_meas_A</td> <td>Applied current</td> </tr> <tr> <td> </td> <td>U_meas_V</td> <td>Voltage response of cell</td> </tr> <tr> <td> </td> <td>T_?_C</td> <td>Temperature reading of sensor ?. See above for description of the individual sensor positions. </td> </tr> </tbody> </table> <h2>3. UniformThermalFault</h2> <table> <tbody> <tr> <td><strong>Description</strong></td> <td> </td> <td>During cycling the cell with a continuous WLTC cycle, the thermal fault was induced by activation of the heating element. After multiple cycles, the cell went into thermal runaway during a charging procedure. Please note, that in the end, the test was disrupted multiple times due to problems induced by the high temperatures. Temperature readings of 9999°C (Upper range) due to sensor failure have been replaced by NaN. Since the heating is started delayed into the second WLTC cycle, the first cycle can be used as reference for normal operation.</td> </tr> <tr> <td><strong>Columns</strong></td> <td>t_s</td> <td>Test time in seconds</td> </tr> <tr> <td> </td> <td>I_meas_A</td> <td>Applied current</td> </tr> <tr> <td> </td> <td>U_meas_V</td> <td>Voltage response of cell</td> </tr> <tr> <td> </td> <td>T_?_C</td> <td>Temperature reading of sensor ?. See above for description of the individual sensor positions. </td> </tr> </tbody> </table> <h2>4. LocalThermalFault</h2> <table> <tbody> <tr> <td><strong>Description</strong></td> <td> </td> <td> <p>During cycling the cell with a continuous WLTC cycle, the thermal fault was induced by activation of the heating element. After multiple cycles, a charging process and observation, no thermal runaway occurred. Please note, that in the end, the test was disrupted multiple times due to problems induced by the high temperatures. It seems that the heat transfer into the cell could have been optimized, as shown by the relatively low cell temperature despite the hot heating element. Nevertheless, this experiment can be used to investigate online detection of small cell changes due to local heating - even without thermal runaway. Since the heating is started delayed into the second WLTC cycle, the first cycle can be used as reference for normal operation.</p> </td> </tr> <tr> <td><strong>Columns</strong></td> <td>t_s</td> <td>Test time in seconds</td> </tr> <tr> <td> </td> <td>I_meas_A</td> <td>Applied current</td> </tr> <tr> <td> </td> <td>U_meas_V</td> <td>Voltage response of cell</td> </tr> <tr> <td> </td> <td>T_?_C</td> <td>Temperature reading of sensor ?. See above for description of the individual sensor positions. </td> </tr> </tbody> </table>
Measurement Data for CT of Battery Pouch Cell with Defects
<p>These are the raw radiography images used to calculate the CT volume of a battery pouch cell with defects.</p> <p> </p> <p>Measured on a diondo d2 CT (using XWT-190 CT, Varex 4343DX-I) at TU Dresden.</p> <p>Tube: 150 KV, 100 µA</p> <p>Geometry: FOD 160 mm, FDD 1000 mm</p> <p>Detector: 3000 x 3000 px², 3000 Frames, 5x Framebinning, 3000 ms per Frame</p> <p>Data: 16bit unsigned integer, little endian</p> <p> </p> <p>The sample was prepared by Johannes Münch. For further details see the following paper:</p> <p><a href="https://doi.org/10.1002/ente.202300323">https://doi.org/10.1002/ente.202300323</a></p>
Flow diagram depicting an overview of the proposed layer optimisation methodology for Li-ion pouch cells
<p>Flow diagram depicting an overview of the proposed layer optimisation methodology for Li-ion pouch cells.</p>
CT Data of Battery Pouch Cell with Defects
<p>These are CT slices as TIF files.</p> <p>Data: cubic voxels of (22 µm)³</p> <p>You may also open the included project file in VGStudio or the free myVGL viewer (https://www.volumegraphics.com/en/download-viewer.html) or other compatible software.</p> <p> </p> <p>The sample was prepared by Johannes Münch. For further details see the following paper:</p> <p><a href="https://doi.org/10.1002/ente.202300323">https://doi.org/10.1002/ente.202300323</a></p>
Dataset: Stack pressure on lithium-ion pouch cells: a comparative study of constant pressure and fixed displacement devices
<p>Dataset for the paper Experimental Investigation of Power Available in Lithium-Ion Batteries.</p> <ul> <li>Battery: Melasta LCO 6.8Ah pouch cell</li> </ul> <p>Static Pressure Loss:</p> <ul> <li>Test 01: Fixed displacement device</li> <li>Test 02: Constant pressure (springs)</li> <li>Test 03: Constant pressure (pneumatic)</li> </ul> <p>Dynamic pressure variation:</p> <ul> <li>Test 04</li> </ul> <p>Spring stiffness investigation:</p> <ul> <li>Test 05</li> </ul> <p> </p>
Study of Mesenchymal Stem Cells for the Treatment of Ileal Pouch Fistula's in Participants With Crohn's Disease
ClinicalTrials.gov study NCT04519684. IPD Sharing: NO. Countries: 1. Publications: 9.
Study of Ossium Mesenchymal Stem Cells for the Treatment of Pouch Fistulas in the Setting of Crohn's Disease
ClinicalTrials.gov study NCT05075811. IPD Sharing: NO. Countries: 1. Publications: 6.
Flow diagram depicting an overview of the proposed layer optimisation methodology for Li-ion pouch cells.
<p>Flow diagram depicting an overview of the proposed layer optimisation methodology for Li-ion pouch cells.</p>
Flow diagram depicting an overview of the proposed layer optimisation methodology for Li-ion pouch cells.
<p>Flow diagram depicting an overview of the proposed layer optimisation methodology for Li-ion pouch cells.</p>
Mesenchymal Stem Cells for the Treatment of Pouch Fistulas in Crohn's
ClinicalTrials.gov study NCT04073472. IPD Sharing: NO. Countries: 0. Publications: 11.
Mucosal Single-Cell Profiling of Crohn's-Like Disease of the Pouch Reveals Unique Pathogenesis and Therapeutic Targets
GEO Series GSE246987. Homo sapiens. 59 samples. Type: Expression profiling by high throughput sequencing; Other.
Single-cell single-molecule spatial transcriptomics using CosMx on colectomy specimens collected during Pouch surgery in IBD patients.
GEO Series GSE283625. Homo sapiens. 8 samples. Type: Other.
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>
A Safety, Tolerability and Efficacy Study of Sernova's Cell Pouch™ for Clinical Islet Transplantation
ClinicalTrials.gov study NCT03513939. IPD Sharing: NO. Countries: 1. Publications: 0.
Transcriptional Survey of Ileal-Anal Pouch Immune Cells from Ulcerative Colitis
GEO Series GSE162335. Homo sapiens. 26 samples. Type: Expression profiling by high throughput sequencing.
Gene expression profile in porcine buccal pouch mucosal cells during long-term in vitro culture
GEO Series GSE112659. Sus scrofa. 6 samples. Type: Expression profiling by array.
Aging Test - Pouch Cell - Single Cell - Part 11 (Cell 158)
<p><strong>Test Sample Specifications</strong></p> <ul> <li>Nominal Capacity = 3300 mAh</li> <li>Graphite / NCA </li> <li>Pouch Cell </li> </ul> <p><strong>Cycling Protocol</strong></p> <ul> <li><em>Charge:</em> CCCV at 1C up to 4.2 V and a C/20 cutoff current </li> <li><em>Discharge:</em> CC at 1C down to 2.7 V</li> </ul> <p><strong>Cycling Life</strong></p> <ul> <li>Number of Cycles = 2799</li> <li>Aimed Capacity Fade = 17.00 %</li> <li>Actual Capacity Fade = 17.16 %</li> </ul>
Aging Test - Pouch Cell - Modules - Part 02 (Module 4)
<p><strong>Test Sample Specifications</strong></p> <ul> <li>Configuration: 5P5S (5 cells in parallel (bank), 5 banks in series) Module</li> <li>Nominal Capacity = 16.5 Ah</li> <li>Graphite / NCA Cells</li> <li>Pouch Cells </li> </ul> <p><strong>Cycling Protocol</strong></p> <ul> <li><em>Charge:</em> CCCV at C/2 up to 21.0 V and a C/100 cutoff current </li> <li><em>Discharge:</em> CC at C/2 down to 13.5 V</li> </ul> <p><strong>Cycling Life</strong></p> <ul> <li>Number of Cycles = 1826</li> <li>Capacity Fade = 20.00 %</li> </ul>
Aging Test - Pouch Cell - Single Cell - Part 07 (Cell 8)
<p><strong>Test Sample Specifications</strong></p> <ul> <li>Nominal Capacity = 3300 mAh</li> <li>Graphite / NCA </li> <li>Pouch Cell </li> </ul> <p><strong>Cycling Protocol</strong></p> <ul> <li><em>Charge:</em> CCCV at 1C up to 4.2 V and a C/20 cutoff current </li> <li><em>Discharge:</em> CC at 1C down to 2.7 V</li> </ul> <p><strong>Cycling Life</strong></p> <ul> <li>Number of Cycles = 1265</li> <li>Aimed Capacity Fade = 10.00 %</li> <li>Actual Capacity Fade = 10.02 %</li> </ul>
Aging Test - Pouch Cell - Single Cell - Part 06 (Cell 6)
<p><strong>Test Sample Specifications</strong></p> <ul> <li>Nominal Capacity = 3300 mAh</li> <li>Graphite / NCA </li> <li>Pouch Cell </li> </ul> <p><strong>Cycling Protocol</strong></p> <ul> <li><em>Charge:</em> CCCV at 1C up to 4.2 V and a C/20 cutoff current </li> <li><em>Discharge:</em> CC at 1C down to 2.7 V</li> </ul> <p><strong>Cycling Life</strong></p> <ul> <li>Number of Cycles = 1734</li> <li>Aimed Capacity Fade = 15.00 %</li> <li>Actual Capacity Fade = 15.05 %</li> </ul>
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