Lated by curve fittingincrease in the (3) are Figure Nitrocefin Protocol equivalent circuit RB
Lated by curve fittingincrease within the (3) are Figure equivalent circuit RB1 exponentially decreases using the using Equation (three) are shown in Figure 10. The parameter RRB1exponentiallythe parameter R the enhance inside the shown in Figure 10. Theaparameter B1 correction of decreases withB1therequired [12]. temperature. Hence, temperature exponentially decreases with is improve inside the ambient temperature. Therefore, aa temperature correction on the parameter RB1 is required ambient temperature. Consequently, temperature correction of the parameter RB1 is necessary [12]. [12].Energies 2021, 14, x6868 PEER Assessment Energies 2021, 14, FOR8 ofof 15 8Figure Impact of temperature. (a) Olesoxime Formula voltage. (b) Integrated voltage. Figure 9.9. Effect of temperature. (a) Voltage. (b) Integrated voltage.Figure ten. Temperature dependence of equivalent circuit parameters. (a) RB0 (b) RB1 (c) CB1 . (d) B1 Figure ten. Temperature dependence of equivalent circuit parameters. (a) RB0.. (b) RB1. .(c) CB1. (d) 1. 1 . B0 B1Figure 11 shows the parameter RB1 versus temperature with approximated curves Figure 11 shows the parameter RB1 versus temperature with approximated curves B1 expressed by Equation (13). expressed by Equation (13). R B1 = RC exp(- T/TC ) [m] m = – / (13) (13)exactly where TT could be the ambient temperature, and the parameter R expresses estimated reC where could be the ambient temperature, as well as the parameter RC expresses the the estimated C sistance RB1RB1Tat T . C. =0 =0 B1 at resistance Table 1 shows the deterioration characteristic with the corrected parameters RC and TC C C in Equation (13). The parameter RC increases by 120 according to the deterioration of CEnergies 2021, 14, x FOR PEER REVIEW9 ofthe battery, and the coefficient TC might be estimated that it can be constant. The corrected pa-of 15 Energies 2021, 14, 6868 9 Energies 2021, 14, x FOR PEER Overview 9 of 15 rameter RC’ is often obtained in the estimated resistance RB1 and ambient temperature T together with the averaged coefficient TCA (=57.3) in Table 1.the battery, as well as the coefficient TC might be estimated that it truly is continuous. The corrected parameter RC’ can be obtained from the estimated resistance RB1 and ambient temperature T using the averaged coefficient TCA (=57.three) in Table 1.Figure 11. Effect of charging cycle on integrated voltage. Figure 11. Effect of charging cycle on integrated voltage.Table 1 shows the deterioration characteristic of the25 /57.3 m and = = -25/ – corrected parameters RC (14) TC in Equation (13). The parameter RC increases by 120 in accordance with the deterioration on the Figure the coefficient TC can parameter RC which shows the The corrected 25 . battery, and 12 shows the corrected be estimated ,that it really is continual.resistance RB1 atparameter BecausebeEffect of charging cycle on integrated voltage.with the number of charging T with all the Figure 11. obtained from increases using the boost RC ‘ can the parameter RC the estimated resistance RB1 and ambient temperature cycles, the deterioration of a lithium-ion battery can 1. averaged coefficient TCA (=57.three C) in Tablebe diagnosed making use of the parameter RC at any temperature. (14) = = -25/ – 25 /57.3 m RC = RC exp(-25/TCA ) = R B1 exp( T – 25)/57.3 [m] (14) Table 1. Coefficient of approximate function shown in Equation (13). Figure 12 shows the corrected parameter RC, which shows the resistance RB1 at 25 . Table 1. Coefficient of approximate function shown in Equation (13). quantity of charging cycles, Since theCycle parameter RC increases with t.