SoC Estimation on Li-ion Batteries: A New EIS-based Dataset for data-driven applications
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On 11 brand new cylindrical rechargeable Lithium Iron Phosphate batteries, Electrochemical Impedance Spectroscopy (EIS) were measured at SoC 100%, 95%, 90%, 85%, 80%, 75%, 70%, 65%, 60%, 55%, 50%, 45%, 35%, 30%, 25%, 20%, 15%, 10%, 5%. All of these measures for each battery are repeated for two discharge cycles. Impedance frequencies[ 0.01, 0.02, 0.03, 0.05, 0.08, 0.1, 0.2, 0.3, 0.5, 0.8, 1, 2, 3, 5, 8, 10, 11, 21, 31, 61, 81, 100, 110, 210, 310, 510, 810, 1000 ] Hz used for the all EIS spectrum. The files are organized in directories. There are eleven directories one for each battery, from “ B01” to “ B11”. Each of these directories further contains two directories, “ EIS Measurement” and “Capacity Measurement”. In the first one there are all the test directories, inside each test folder there are the corresponding test comma-separated values (csv) files with all the impedance spectroscopy measurements. In the second folder, on the same level as “ EIS Measurement” there is the battery capacity test also in a csv formatted file.
本数据集针对11块全新圆柱形可充电磷酸铁锂电池，在荷电状态（State of Charge, SoC）100%、95%、90%、85%、80%、75%、70%、65%、60%、55%、50%、45%、35%、30%、25%、20%、15%、10%、5%的工况下，开展电化学阻抗谱（Electrochemical Impedance Spectroscopy, EIS）测试。每块电池的全部测试均在两个放电循环中重复进行。 本次EIS谱测试采用的阻抗频率为[0.01, 0.02, 0.03, 0.05, 0.08, 0.1, 0.2, 0.3, 0.5, 0.8, 1, 2, 3, 5, 8, 10, 11, 21, 31, 61, 81, 100, 110, 210, 310, 510, 810, 1000] Hz。 数据集文件采用目录结构进行组织：共包含11个目录，分别对应编号B01至B11的每一块电池。每个电池目录下进一步设有两个子目录："EIS测试"与"容量测试"。其中"EIS测试"目录下包含所有测试子文件夹，每个测试子文件夹内均存储有对应的逗号分隔值（Comma-Separated Values, CSV）格式文件，内含完整的阻抗谱测试数据。在与"EIS测试"同级的"容量测试"目录中，存储有电池容量测试的CSV格式结果文件。
