Data Description:
A set of four Li-ion batteries (# 5, 6, 7 and 18) were run through 3 different operational profiles (charge, discharge and impedance) at room temperature. Charging was carried out in a constant current (CC) mode at 1.5A until the battery voltage reached 4.2V and then continued in a constant voltage (CV) mode until the charge current dropped to 20mA. Discharge was carried out at a constant current (CC) level of 2A until the battery voltage fell to 2.7V, 2.5V, 2.2V and 2.5V for batteries 5 6 7 and 18 respectively. Impedance measurement was carried out through an electrochemical impedance spectroscopy (EIS) frequency sweep from 0.1Hz to 5kHz. Repeated charge and discharge cycles result in accelerated aging of the batteries while impedance measurements provide insight into the internal battery parameters that change as aging progresses. The experiments were stopped when the batteries reached end-of-life (EOL) criteria, which was a 30% fade in rated capacity (from 2Ahr to 1.4Ahr). This dataset can be used for the prediction of both remaining charge (for a given discharge cycle) and remaining useful life (RUL).
Files:
B0005.mat Data for Battery #5
B0006.mat Data for Battery #6
B0007.mat Data for Battery #7
B0018.mat Data for Battery #18
Data Structure:
cycle: top level structure array containing the charge, discharge and impedance operations
type: operation type, can be charge, discharge or impedance
ambient_temperature: ambient temperature (degree C)
time: the date and time of the start of the cycle, in MATLAB date vector format
data: data structure containing the measurements
for charge the fields are:
Voltage_measured: Battery terminal voltage (Volts)
Current_measured: Battery output current (Amps)
Temperature_measured: Battery temperature (degree C)
Current_charge: Current measured at charger (Amps)
Voltage_charge: Voltage measured at charger (Volts)
Time: Time vector for the cycle (secs)
for discharge the fields are:
Voltage_measured: Battery terminal voltage (Volts)
Current_measured: Battery output current (Amps)
Temperature_measured: Battery temperature (degree C)
Current_charge: Current measured at load (Amps)
Voltage_charge: Voltage measured at load (Volts)
Time: Time vector for the cycle (secs)
Capacity: Battery capacity (Ahr) for discharge till 2.7V
for impedance the fields are:
Sense_current: Current in sense branch (Amps)
Battery_current: Current in battery branch (Amps)
Current_ratio: Ratio of the above currents
Battery_impedance: Battery impedance (Ohms) computed from raw data
Rectified_impedance: Calibrated and smoothed battery impedance (Ohms)
Re: Estimated electrolyte resistance (Ohms)
Rct: Estimated charge transfer resistance (Ohms)
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基于粒子滤波的锂离子电池寿命预测.zip (37个子文件)
电池数据集
B0018_fit.sfit 14KB
test_test2.m 2KB
B0007_fit.sfit 14KB
B0006_fit.sfit 14KB
B0005.mat 15.22MB
BatteryAgingARC-FY08Q4
README.txt 3KB
B0005.mat 15.22MB
B0007.mat 15.31MB
B0018.mat 8.11MB
B0006.mat 15.29MB
B0007.mat 15.31MB
BatteryAgingARC-FY08Q4.zip 53.9MB
test_test.m 4KB
B0018.mat 8.11MB
nasa_battery_get.m 387B
LoadDatatest2.m 1KB
B0006.mat 15.29MB
B0005_fit.sfit 14KB
BatteryAgingARC_53_54_55_56.zip 23.77MB
毕业设计.pdf 4.47MB
锂离子电池运行原理.jpg 76KB
毕业设计代码.docx 23KB
codecode-pp1218-138wjegoij2398rjweoigj23423
chap8
main.m 2KB
test_test2.m 3KB
residualR.m 1005B
B0005.mat 15.22MB
systematicR.m 1KB
hfun.m 592B
B0007.mat 15.31MB
multinomialR.m 857B
B0018.mat 8.11MB
LoadDatatest2.m 1KB
B0006.mat 15.29MB
para_fit.m 729B
LoadDataTest.m 663B
Battery_Capacity.mat 7KB
randomR.m 656B
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