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. 2022 May 6;15(9):3331. doi: 10.3390/ma15093331
Ad concentration degradation rate, mAh·s−1
Cfade, N accumulated capacity fade in the Nth cycle, mAh
CIfade upper and lower limits of the capacity degradation
Cnom nominal capacity
Ea activation energy, J·mol−1
N number of cycles that the battery has experienced
n number of samples
R ideal gas constant, 8.314J mol−1·K−1
T(t) time-dependence average battery temperature, K
tN end time of the discharge process, s
Vi measurement value
Xi residual value
X average value of the capacity fading from 1 to i cycle
α confidence level
μ location parameter of normal distribution
μfade mean of the random variable Cfade
σ scale parameter of normal distribution
σfade standard deviation of the random variable Cfade
β shape parameter of Weibull distribution
η scale parameter of Weibull distribution
κ relative co-efficient of variation
ξ battery degradation rate
SEI solid electrolyte interface
BTMS battery thermal management system
PDF probability density function
RUL remaining useful life