Published May 27, 2025
| Version 1.0.0
Dataset
Open
18650-LG-3500-MJ1 Anode GITT Features
Authors/Creators
- 1. Helmholtz Institute Ulm
- 2. German Aerospace Center
- 3. SINTEF Energy Research
- 4. SINTEF Industry
Description
Scope
This record contains features observed in the GITT (without intermittent EIS) measurement on the harvested negative electrode (anode) of the INR18650-MJ1 cylindrical 18650 cell from LG CHEM. It also serves as input for EP-BOLFI parameterization.
Metadata
| Filename | Description | Format | Usage |
|---|---|---|---|
| lg_mj1_parameterize_negative_diffusivity_{de}lithiation_optimizer_input_[({n},{n}+2)]_{model}().json | A complete listing of required inputs of data segments {n} and {n+1} for parameterization of the {model} from SPM, SPMe, or DFN, for negative electrode diffusivity in (de-)lithiation direction with EP-BOLFI: experimental protocol, model, discretization, feature settings, data, inherent parameter uncertainties, and EP-BOLFI optimizer settings. | JSON (application/json) |
Compact input for the EP-BOLFI parameterization workflow. |
| lg_mj1_parameterize_negative_diffusivity_{de}lithiation_[({n},{n}+2)]_{model}().py | A copy of the parameter file that was given to the preprocessing workflow of data segments {n} and {n+1} for parameterization of the {model} from SPM, SPMe, or DFN for negative electrode diffusivity in (de-)lithiation direction, | Python script (text/x-python) |
Static copy for documentation of the parameter file at the exact time the preprocessing took place. |
| lg_mj1_parameterize_negative_diffusivity_{de}lithiation_optimizer_input_[({n},{n}+2)]_{model}()_plot.pdf | Plot showing the data of data segments {n} and {n+1} and the simulation of the mean of the prior parameter distribution of {model} from SPM, SPMe, or DFN, for negative electrode diffusivity in (de-)lithiation direction and the extent of variation of the model within prior variance and inherent parameter uncertainty. | PDF (application/pdf) |
Visual verification that the prior parameter distribution may contain a sensible parameterization. |
| lg_mj1_parameterize_negative_diffusivity_{de}lithiation_optimizer_input_[({n},{n}+2)]_{model}()_voltage_components.pdf | A component analysis of the mean prior parameter distribution simulation of {model} from SPM, SPMe, or DFN, for negative electrode diffusivity in (de-)lithiation direction. | PDF (application/pdf) |
Visual analysis of the relative magnitude of various battery phenomena, and if the desired one gives a distinct signal among the others. |
Related Resources
| Relationship | Record | Description |
| isPartOf | INR18650-LG-3500-MJ1 Anode Parameterization | This collection contains records with workflows to parameterize with EP-BOLFI EIS and GITT measurements parameters from a harvested negative electrode (anode) of the INR18650-MJ1 cylindrical Li-ion battery cell manufactured by LG CHEM. |
| Continues | 18650-LG-3500-MJ1 Anode GITT Featurization | This record contains workflows to extract feactures from the GITT (without intermittent EIS) measurement on the harvested negative electrode (anode) of the INR18650-MJ1 Li-ion battery cell from LG CHEM. It simulteaneously sets up the simulator and EP-BOLFI optimizer inputs for later parameterization. |
| Continues | INR18650-LG-3500-MJ1 Anode GITT OCV Model Fit | This record contains an open-circuit voltage (OCV) model fitted to OCV curves from GITT measurements during discharging and charging. The GITT measurements were obtained from negative electrode (anode) harvested from an INR18650-MJ1 Li-ion battery cell manufactured by LG CHEM. The active material in the electrode is composite graphite/silicon oxide. The measurment is obtained in three-electrode configuration with the working electrode composite graphite/silicon oxide, counter electrode NMC, and reference electrode lithium metal in a coin cell casing. |
| Continues | INR18650-LG-3500-MJ1 Anode GITT Structured Data | This record contains GITT measurements during discharge and charge, pre-selected and packaged in parquet files for further analysis. The measurement is obtained in three-electrode configuration with the working electrode composite graphite/silicon oxide, counter electrode NMC, and reference electrode lithium metal in a coin cell casing. The data is intended to support the characterization of the open-circuit potential (OCP) and lithium diffusion proprties of the graphite/silicon oxide active material. |
| IsContinuedBy | 18650-LG-3500-MJ1 Anode GITT Parameterization | This record contains workflows to parameterize with EP-BOLFI a GITT (without intermittent EIS) measurement. |
| IsContinuedBy | INR18650-LG-3500-MJ1 Anode GITT Parameters | This record contains parameters fitted from a GITT (without intermittent EIS) measurement on the harvested ngative electrode (anode) of the INR18650-MJ1 Li-ion battery cell from LG CHEM. |
Licensing
This dataset is licensed under CC-BY 4.0, allowing for sharing and adaptation with proper attribution.
Contact Information
For questions or further assistance, please contact Dennis Kopljar at dennis.kopljar@dlr.de.
References
This dataset is linked to the following publication: [DOI/Link to publication].
Files
files.zip
Additional details
Funding
- Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
- Helmholtz Association of German Research Centres
- KW-BASF-6
- European Union
- 10110399
- European Union
- 875527