Abstract
Megtec Systems pilot-plant scale continuous convective coater. The data was generated as part of an experimental design involving the following coating-drying process variables and ranges: comma bar gap, 80–140 µm; web speed, 0.5–1.5 m/min; coating ratio, 110–150%; drying temperature, 85–110 °C and drying air speed, 5–15 m/s. The manufacturing data include pre-calendered coating thickness, mass loading dry and wet, pre-calendered porosity, spatial autocorrelation and join counting (SAJC) Z-score for carbon and for fluorine, cell thickness, coating weight and porosity of 15 different electrode coatings and 45 half-coin cells. The electrochemical data was obtained at 25 °C in a Maccor 4000 series battery cycler and consists of charge and discharge capacities at C/20, C/5, C/2, 1C, 2C, 5C and 10C C-rates. Discharge gravimetric and volumetric capacities, rate performance (at 5C:0.2C) and first cycle loss data is also reported. Details of the experimental design and a comprehensive analysis of the data can be found in the co-submitted manuscript (Román-Ramírez et al., 2021). Additional collected data not used in Román-Ramírez et al. (2021) is reported in the present manuscript and include visual observations of coating defects, rheological properties of the electrode slurries (solid content, viscosity, coating shear rate and viscosity at coating shear rate), room temperature and room humidity during the coatings and first cycle loss of the coin cells. Raw and analyzed data is made available. The reported data can be used to extend the analysis reported in Román-Ramírez et al. (2021), and for the comparison of relevant data obtained at different manufacturing scales.
Highlights
Experimental data of cathodes manufactured in a convective dryer at the pilot-plant scale, and charge and discharge capacities of half-coin lithium-ion cells
The data was generated as part of an experimental design involving the following coating-drying process variables and ranges: comma bar gap, 80–140 μm; web speed, 0.5–1.5 m/min; coating ratio, 110–150%; drying temperature, 85–110 °C and drying air speed, 5–15 m/s
Additional collected data not used in RománRamírez et al (2021) is reported in the present manuscript and include visual observations of coating defects, rheological properties of the electrode slurries, room temperature and room humidity during the coatings and first cycle loss of the coin cells
Summary
The Excel file Operating variables and responses.xlsx available within the supplementary files, contains the set of experimental conditions (coater machine settings) used to collect the data, the measured responses and the standard deviations of the measurements. The Design matrix and Responses sheet within Operating variables and responses.xlsx presents the design matrix (set of experiments) according to the experimental design outlined, and the values of the responses for each of the 12 experimental runs in the design matrix. The Design matrix and Responses sheet presents the operating conditions and values of the responses for 3 validation runs. The Design matrix and Responses sheet contains the rheological properties of the slurries used for the coatings, and the room temperature and room humidity conditions. The values of the SAJC Z-score for carbon and fluorine are shown in the Design matrix and Responses sheet
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