README
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Dataset title:
Original research data for: Zero-waste recycling of lithium and cobalt from lithium-ion batteries by three-stage electrodialysis

Creators:
Adam Isaksson, Juan Anaya Garzon, Ida Strandkvist, Lena Sundqvist Öqvist

Responsible organization:
Luleå University of Technology

See the Researchdata.se catalogue entry for this dataset for complete metadata, including the dataset description, recommended citation, contact information, and information about how to obtain the dataset. 

Description:
This dataset contains experimental and calculated data from a study on electrodialytic processes. The experimental data include parameters such as current, voltage and concentrations from a study on electrodialysis.

The dataset is connected to the following research article:
A. Isaksson, J. Anaya Garzon, I. Strandkvist, L. Sundqvist Öqvist, Zero-Waste Recycling of Lithium and Cobalt from Lithium-Ion Batteries by Three-Stage Electrodialysis, Separation and Purifi-cation Technology 368 (2025) 133060. https://doi.org/10.1016/j.seppur.2025.133060.


License: CC BY 4.0


Datafile descriptions
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Electrodialysis_electrical_performance.csv – electrical data retrieved from four different electrodialysis experiments.

Column A: Test identification (acid recovery, Co-Li separation, Li2SO4 split w/o EDTA, Li2SO4 w. EDTA)
Column B: The time during electrodialys data was retrieved (h).
Column C: Measured current (A).
Column D: Set stack voltage (V).
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Electrodialysis_acid_recovery_pH.csv – pH measured during an electrodialysis test on acid recovery.

Column A: The time during electrodialys data was retrieved (minutes).
Column B: pH in the electrode rinse solution.
Column C: pH in the salt feed solution.
Column D: pH in the acid product solution.
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Electrodialysis_salt_splitting_pH.csv – pH measured during an electrodialysis test on salt splitting of Li2SO4.

Column A: Test identification (Li2SO4 split w/o EDTA, Li2SO4 w. EDTA)
Column B: The time during electrodialys data was retrieved (minutes).
Column C: pH in the electrode rinse solution.
Column D: pH in the base product solution.
Column E: pH in the salt feed solution.
Column F: pH in the acid product solution.
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Chemical_assays.csv – elemental composition of product solutions from electrodialysis.

Column A: The electrodialysis product solution that was sampled.
Column B: The weight of the product solution.
Column C: Lithium concentration (mg/kg) in the sample as measured by ICP-OES.
Column D: Cobalt concentration (mg/kg) in the sample as measured by ICP-OES.
Column E: Sulfur concentration (mg/kg) in the sample as measured by ICP-OES.
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Equilibrium_data.csv – equilibrium composition of the electrodialysis feed modelled using HSC Chemistry 10.

Column A: pH of the feed solution.
Columns B-Q: Amount of substance (mol) of different aqueous species.
Columns R-W: Amount of substance (mol) of different solid species.
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XRD_measurements.csv – results from measuements on solid samples using X-ray diffraction.

Column A: The sample that was analyzed.
Column B: Instrument position (°2θ)
Column C: Dector counts (background and Kα2 radiation removed using Highscore Plus software)
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