DOI: 10.5281/zenodo.15519543
title: INR18650-LG-3500-MJ1 Anode GITT+EIS Raw Data

description: Scope

This record contains raw data from the GITT characterization with intermittent EIS measurements of a negative electrode (anode) harvested from an INR18650-MJ1 Li-ion battery cell. The active material in the electrode is composite graphite/silicon oxide. 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 parameterization of open-circuit potential (OCP) and lithium diffusion coefficient in the composite material.

Note: the .h5 files have been saved with the Python package Pandas and should only be opened with it. Use the .csv files if you are not using Python or the .parquet files that are in a record linked to this one.

Legend for the dataset column names:



"LINE": # of the step in the measurement device script

"COMM": type of the step (Charge/Discharge/...); intermittent EIS measurements happen during "Set-Temp", since the measurement device links with the climate chamber

"STATE": labels start (3) and end (2) of any step


Files

Raw Data




Filename
Description
Format
Usage




18650-LG-3500-MJ1-anode-GITT-EIS-Dc.csv
CSV file containing GITT data for the MJ1 anode during discharge with intermittent EIS measurements.
CSV (text/x-comma-separated-values)
Used for analyzing discharge behavior of the MJ1 anode.


18650-LG-3500-MJ1-anode-GITT-EIS-Ch.csv
CSV file containing GITT data for the MJ1 anode during charge with intermittent EIS measurements.
CSV (text/x-comma-separated-values)
Used for analyzing discharge behavior of the MJ1 anode.


anode-GITT-Dc.h5
HDF5 file containing GITT data for the MJ1 anode during discharge with intermittent EIS measurements.
HDF5 (application/x-hdf5)
Stores processed data for efficient querying and analysis.


anode-GITT-Ch.h5
HDF5 file containing GITT data for the MJ1 anode during charge with intermittent EIS measurements.
HDF5 (application/x-hdf5)
Stores processed data for efficient querying and analysis.




Related Resources




Relationship
Record
Description


isPartOf
INR18650-LG-3500-MJ1 Anode Raw Data
This collection contains records related to the characterization of the negative electrode (anode) harvested from an INR18650-MJ1 Li-ion battery cell. The active material in the electrode is composite graphite/silicon oxide. 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 be used to charactrize the lithium diffusion coefficient in the composite graphite/silicon oxide material to support model-based analysis of MJ1 cells.


IsContinuedBy
INR18650-LG-3500-MJ1 Anode GITT+EIS Data Preprocessing
This record contains workflows for packaging GITT measurements obtained during discharging and charging processes within parquet files. The workflows are intended to process GITT data coming from 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 resulting data can then be used for open-circuit potential (OCP) extraction.


IsContinuedBy
INR18650-LG-3500-MJ1 Anode GITT+EIS Structured Data
This record contains GITT measurements with intermittent EIS 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. Note that the GITT signal floats during EIS measurements.




Metadata

Machine Readable RDF




Filename
Description
Format
Usage




Human Readable Tables

Working Electrode




Property
Value




Type
Harvested from INR18650-MJ1


Active Material 1
Graphite


Active Material 1 Volume Fraction / 1
0.965


Active Material 2
Silicon Oxide


Active Material 2 Volume Fraction / 1
0.035


Active Material Composite Lithium Saturation Concentration / mol L-1
29.254


Electrode Thickness / µm
87




Counter Electrode




Property
Value




Type
Harvested from INR18650-MJ1


Active Material
NCM-831205


Active Material Molecular Formula
LiNi0.83Co0.12Mn0.05O2


Electrode Thickness / µm
73




Reference Electrode




Property
Value




Type
Lithium Metal


Active Material
Lithium




Separator




Property
Value




Type
Whatman GF/A


Manufacturer
El-cell


Thickness / µm
260


Porosity
0.93




Electrolyte




Property
Value




Type
1M LiPF6 in EC:EMC:DMC 1:1:1


Salt
LiPF6


Salt Concentration / mol L-1
1


Solvent 1
Ethylene Carbonate


Solvent 2
Ethyl Methyl Carbonate


Solvent 3
Dimethyl Carbonate




Cell




Property
Value




Format
Coin Cell


Dimensions
R2032


Nominal Capacity / mAh
12




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].