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The data is in MATLAB format and each file is named BW-VTC-NNN_MMMM_Cyc##_BBB_BW-VTC-XXX.mat, where NNN indicates the Interal ID, accoding to (1), MMMM indicates the internal number of this cyclic |
measurement, ## indicates the number of the cyclic asurements, xxx/XXX indicates the aging domain and BBB indicates the Operation. As an example, the file "BW-VTC-247_2363_Cyc18_VV_5deg_BW-VTC-CYC" |
is the data of the cyclic measurement 18, i.e. between check-up 17 and 18, of the cyclic aged cell with the internal ID BW-VTC-247. The internal number of this check-up measurements is 2363. |
Note that in some cases, file names vary from this scheme. In these cases case, use the location of the file, i.e. the folder and subfolder names, and the internal ID only as the correct reference. |
Each MATLAB file again contains a struct named "Dataset", with the same Field meansings that are described in (2). |
Aging dataset of a commercial lithium-ion battery - Description update |
The associated dataset, as originally published under doi:10.14459/2023mp1713382, contains experimental data from the study described in |
[1] Wildfeuer, Leo; Karger, Alexander; Aygül, Deniz; Wassiliadis, Nikolaos; Jossen, Andreas; Lienkamp, Markus (2023): Experimental degradation study of a commercial lithium-ion battery. |
In Journal of Power Sources 560, p. 232498. DOI: 10.1016/j.jpowsour.2022.232498. |
The data is published under the CC BY 4.0 license. The data can be freely used according to the license conditions as long as the original publication in which the corresponding experiments are presented is cited. |
For further questions, please contact Leo Wildfeuer (leo.wildfeuer@tum.de) or Alexander Karger (alexander.karger@tum.de). |
Key Update in the "bawaii_cell_overview_publication_corrected.xlsx" file: |
Inclusion of previously undescribed cells: |
The corrected excel file "bawaii_cell_overview_publication_corrected.xlsx" now includes descriptions of additional cells that were part of the original dataset but not described in "bawaii_cell_overview_publication.xlsx". |
This update ensures the completeness of the dataset description. |
Introduction of new aging groups: |
Two new aging groups are created for the previously undescribed cells: |
Group X: These cells were tested only once at the beginning of life (BOL) and were not subjected to further calendaric or cyclic aging. |
Group Y: These cells underwent cyclic aging followed by calendaric aging, with only one switch during the process. This was done to compare calendar aging starting from different States of Health (SOH). |
Note: |
All newly described cells are marked in yellow in "bawaii_cell_overview_publication_corrected.xlsx". |
Cautionary Advice: |
Researchers using this dataset are advised to exercise caution and double-check the test conditions of the newly described cells. These cells were originally excluded from the description due to varying issues |
encountered during testing. |
Clarification: |
No changes have been made to the experimental data itself. The update solely pertains to the descriptions in the excel file, ensuring that all available data is described in "bawaii_cell_overview_publication_corrected.xlsx". |
Acknowledgment: |
We acknowledge the constructive feedback from Alexander Reiter and Tim Betz (Hochschule München), which prompted this update for completeness in the dataset description. |
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