Hi
Using CEDV mode, we found that at 5C rate, RSOC stops at 7% of EDV2. Only below 0.5C, RSOC can be discharge to 0%. Based on the above situation, the EDV0 point is fixed at 3V, then the RSOC jumps directly from 22% to 0 during 5C discharge.
The GPC report as below:
EMF 3490
EDVC0 80
EDVC1 0
EDVR1 349
EDVR0 448
EDVT0 4127
EDVTC 9
VOC75 3935
VOC50 3808
VOC25 3752
file SOC error, % pass
roomtemp_lowrate.csv 2.10057831698771 1
roomtemp_highrate.csv 2.24170143941024 1
roomtemp_midrate.csv 1.58923275434169 1
hightemp_lowrate.csv -0.60740118238711 1
hightemp_highrate.csv -1.29842762430091 1
hightemp_midrate.csv -0.763652533848129 1
lowtemp_lowrate.csv 2.96163225456632 1
lowtemp_highrate.csv 2.63779643491023 1
lowtemp_midrate.csv -0.869308427862487 1
SOC, % OCV, mV
0 3001
10 3402
20 3479
30 3529
40 3568
50 3614
60 3682
70 3780
80 3887
90 4000
100 4146
The gg file and log data as below:
I0512A-CEDV-1120.gg.gg.csv8%-FCCgengxin.xlsx
Please help check it. How to optimize this issue?
Thanks
Star
