INR18650-LG-3500-MJ1 Cathode GITT+EIS Raw Data

Scope This record contains the measurement results from a galvanostatic intermittent titration technique (GITT) test at 25°C of an INR18650-MJ1 lithium-ion battery cell manufactured by LG CHEM. The raw data is provided in both HDF5 and CSV formats. Files Data Filename Description Format Usage 18650-LG-3500-MJ1-cathode-GITT-EIS-Dc.csv GITT data of an NMC cathode obtained during a discharging process text/csv Use for general analysis in spreadsheet tools or scripts. 18650-LG-3500-MJ1-cathode-GITT-EIS-Ch.csv GITT data of an NMC cathode obtained during a charging process text/csv Use for general analysis in spreadsheet tools or scripts. pandas_hdf5_to_csv.py Python script for exporting data from HDF5. text/x-python Convert HDF5 to CSV using Python. cathode-GITT-Dc.h5 HDF5 archive of GITT data of an NMC cathode obtained during a discharging process application/x-hdf5 Use with Python (e.g., Pandas) to extract or process raw GITT data. cathode-GITT-Ch.h5 HDF5 archive of GITT data of an NMC cathode obtained during a charging process application/x-hdf5 Use with Python (e.g., Pandas) to extract or process raw GITT data. RDF Metadata Filename Description Format Usage ro-crate-metadata.json RDF metadata describing the data table schema, test, and battery application/json+ld Semantic Web integration ro-crate-preview.html RDF metadata describing the data table schema, test, and battery application/json+ld Semantic Web integration Related Resources Relationship Record Description isPartOf INR18650-LG-3500-MJ1 Cathode Raw Data Collection This collection contains records related to the characterization of the positive electrode (cathode) harvested from an INR18650-MJ1 Li-ion battery cell. The active material in the electrode is NMC. The measurement is obtained in three-electrode configuration with the working electrode NMC, counter electrode composite graphite/silicon oxide, 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 NMC material to support model-based analysis of MJ1 cells. IsContinuedBy INR18650-LG-3500-MJ1 Cathode GITT+EIS Data Preprocessing This record contains workflows for packaging GITT measurements of an INR18650-MJ1 battery cell manufactured by LG CHEM at 25°C within Parquet files. IsContinuedBy INR18650-LG-3500-MJ1 Cathode GITT+EIS Structured Data This record contains electrochemical impedance spectra (EIS) measured during galvanostatic intermittent titration technique (GITT) steps on the NMC cathode of a commercial LG CHEM INR18650-MJ1 lithium-ion cell. The measurements were conducted at 25°C and are provided in a structured Parquet format, suitable for data analysis workflows and model fitting. 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 [e-mail]. References This dataset is linked to the following publication: [DOI/Link to publication]. Notes 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