DOI: 10.5281/zenodo.15497193
title: INR18650-LG-3500-MJ1 Lithium-Ion Battery Cell Direct Characterization Data

description: Scope

This record contains characterization data of components harvested from INR18650-LG-3500-MJ1 #001 cell used in the DLReps project. The characterization was performed using a combination of destructive techniques including half-cell electrochemical testing, SEM, and EDX analysis. The source data is contained in the files MJ1_parameters.xlsx and MJ1-Parameters.pptx, which is then processed to obtain the extracted and encapsulated data (images and parquet files).

Files

Source Data




Filename
Description
Format
Usage




MJ1_parameters.xlsx
A collection of parameters obtained from laboratory characterization of MJ1 battery cells.
Excel spreadsheet (.xlsx)
Contains raw experimental data for parameter extraction and further processing.


MJ1-Parameters.pptx
A PowerPoint presentation summarizing the MJ1 battery cell parameters.
PowerPoint presentation (.pptx)
Provides a visual summary of the characterization results.




Processing Scripts




Filename
Description
Format
Usage




Negative_electrode_exchange_current_density_A_per_m2.py
Python script for calculating the exchange current density of the negative electrode.
Python script (.py)
Processes data to extract electrochemical parameters related to the negative electrode.


excel_parsing.py
A script for parsing and cleaning data from Excel files.
Python script (.py)
Structures raw data for further processing and analysis.


Positive_electrode_exchange_current_density_A_per_m2.py
Python script for calculating the exchange current density of the positive electrode.
Python script (.py)
Processes data to extract electrochemical parameters related to the positive electrode.




Notebooks




Filename
Description
Format
Usage




demonstrate_metadata_processing.ipynb
A Jupyter notebook demonstrating the usage of metadata processing techniques.
Jupyter notebook (.ipynb)
Provides an example workflow for integrating and processing metadata.




FAIR Implementation

Tabular Data




Filename
Description
Format
Usage




conductivity_in_electrolyte_at_a_function_of_temperature.parquet
Tabular data showing electrolyte conductivity as a function of temperature.
Parquet file (.parquet)
Enables efficient querying and analysis of conductivity data.


diffusion_coefficient_in_electrolyte_at_a_function_of_temperature.parquet
Tabular data for diffusion coefficients of electrolytes at varying temperatures.
Parquet file (.parquet)
Supports FAIR-compliant analysis of electrolyte diffusion properties.


diffusion_graphite_silicon_oxide_charging.parquet
Tabular data representing diffusion coefficients for graphite-silicon oxide during charging.
Parquet file (.parquet)
Facilitates analysis of diffusion characteristics during charging cycles.


diffusion_graphite_silicon_oxide_discharging.parquet
Tabular data representing diffusion coefficients for graphite-silicon oxide during discharging.
Parquet file (.parquet)
Facilitates analysis of diffusion characteristics during discharging cycles.


diffusion_nmc_charging.parquet
Tabular data for diffusion coefficients in NMC during charging.
Parquet file (.parquet)
Enables detailed analysis of material behavior in charging conditions.


diffusion_nmc_discharging.parquet
Tabular data for diffusion coefficients in NMC during discharging.
Parquet file (.parquet)
Enables detailed analysis of material behavior in discharging conditions.


exchange_current_density_graphite_silicon_oxide_charging.parquet
Tabular data for exchange current density in graphite-silicon oxide during charging.
Parquet file (.parquet)
Assists in electrochemical modeling and analysis during charging.


exchange_current_density_graphite_silicon_oxide_discharging.parquet
Tabular data for exchange current density in graphite-silicon oxide during discharging.
Parquet file (.parquet)
Assists in electrochemical modeling and analysis during discharging.


exchange_current_density_nmc_charging.parquet
Tabular data for exchange current density in NMC during charging.
Parquet file (.parquet)
Supports electrochemical analysis for charging processes.


exchange_current_density_nmc_discharging.parquet
Tabular data for exchange current density in NMC during discharging.
Parquet file (.parquet)
Supports electrochemical analysis for discharging processes.


pseudo_open_circuit_voltage_graphite_silicon_oxide_charging.parquet
Tabular data showing pseudo-open circuit voltage for graphite-silicon oxide during charging.
Parquet file (.parquet)
Useful for voltage behavior analysis during charging cycles.


pseudo_open_circuit_voltage_graphite_silicon_oxide_discharging.parquet
Tabular data showing pseudo-open circuit voltage for graphite-silicon oxide during discharging.
Parquet file (.parquet)
Useful for voltage behavior analysis during discharging cycles.


pseudo_open_circuit_voltage_nmc_charging.parquet
Tabular data showing pseudo-open circuit voltage for NMC during charging.
Parquet file (.parquet)
Facilitates modeling and analysis of voltage characteristics during charging.


pseudo_open_circuit_voltage_nmc_discharging.parquet
Tabular data showing pseudo-open circuit voltage for NMC during discharging.
Parquet file (.parquet)
Facilitates modeling and analysis of voltage characteristics during discharging.


pseudo_open_circuit_voltage_silicon_literature_charging.parquet
Tabular data showing pseudo-open circuit voltage for silicon (from literature) during charging.
Parquet file (.parquet)
Provides reference data for silicon voltage analysis.


pseudo_open_circuit_voltage_silicon_literature_discharging.parquet
Tabular data showing pseudo-open circuit voltage for silicon (from literature) during discharging.
Parquet file (.parquet)
Provides reference data for silicon voltage analysis.




Image Data




Filename
Description
Format
Usage




inr18650_mj1_computed_tomography_snapshot.png
Computed tomography snapshot of the INR18650 MJ1 battery cell.
PNG image (.png)
Provides structural visualization of the battery cell.


inr18650_mj1_disassembly_process.png
Image documenting the disassembly process of the MJ1 cell.
PNG image (.png)
Illustrates the disassembly procedure for component characterization.


inr18650_mj1_electrode_schematic.png
Schematic illustration of the MJ1 cell electrode structure.
PNG image (.png)
Useful for visualizing electrode design and components.


inr18650_mj1_graphite_silicon_oxide_sem.png
Scanning electron microscope (SEM) image of graphite-silicon oxide.
PNG image (.png)
Supports morphological analysis of the electrode material.


inr18650_mj1_graphite_silicon_oxide_sem_edx.png
SEM image with energy-dispersive X-ray spectroscopy (EDX) of graphite-silicon oxide.
PNG image (.png)
Provides compositional analysis of electrode materials.


inr18650_mj1_jellyroll.png
Image of the jellyroll structure from the MJ1 cell.
PNG image (.png)
Displays the internal structure of the battery cell.


inr18650_mj1_jellyroll_side.png
Side view of the jellyroll structure from the MJ1 cell.
PNG image (.png)
Provides additional perspective on the internal cell design.


inr18650_mj1_negative_electrode_cross_section.png
Cross-sectional image of the MJ1 cell's negative electrode.
PNG image (.png)
Useful for structural analysis of the negative electrode.


inr18650_mj1_nmc_sem.png
SEM image of NMC material from the MJ1 cell.
PNG image (.png)
Provides detailed imaging of NMC material morphology.


inr18650_mj1_nmc_sem_edx.png
SEM image with EDX of NMC material.
PNG image (.png)
Enables compositional analysis of NMC material.


inr18650_mj1_partially_disassembled.png
Image showing the partially disassembled MJ1 cell.
PNG image (.png)
Documents intermediate stages of disassembly.


inr18650_mj1_positive_electrode_cross_section.png
Cross-sectional image of the MJ1 cell's positive electrode.
PNG image (.png)
Supports structural analysis of the positive electrode.


inr18650_mj1_separator_ceramic_coating_sem.png
SEM image of the separator's ceramic coating.
PNG image (.png)
Analyzes the separator's protective ceramic layer.


inr18650_mj1_separator_polymer_matrix_sem.png
SEM image of the separator's polymer matrix.
PNG image (.png)
Provides structural information about the separator material.




Metadata




Filename
Description
Format
Usage




metadata.jsonld
JSON-LD file providing semantic metadata for all files in the repository.
JSON-LD (.jsonld)
Ensures FAIR compliance by linking metadata to relevant ontologies and enabling semantic interoperability.




Related Resources




Relationship
Record
Description


isPartOf
INR18650-LG-3500-MJ1 Lithium-Ion Battery Cell Characterization Data
This collection contains records related to laboratory characterization of INR18650-MJ1 cells manufactured by LG Chem. The records contain (i) the raw data provided by laboratory personnel and (ii) model parameters obtained from processing this raw data. The data contained in these records is intended to support model parameterization for INR18650-MJ1 cells and could also be relevant for other Li-ion batteries using NMC, Graphite, and Silicon Oxide as active materials.


IsContinuedBy
INR18650-LG-3500-MJ1 Complete Continuum Simulation Parameters
This record contains a complete and PyBaMM-compatible parameter set for the INR18650-LG-3500-MJ1 cell and incomplete versions of it that were used in an exempular GITT characterization workflow. Most parameters are repackaged laboratory measurement results and SOC alignment checks with a GITT (without intermittent EIS) measurement on the harvested electrodes.




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].