Research Article
An Empirical Rate Constant Based Model to Study Capacity Fading in Lithium Ion Batteries
Table 1
Cell characteristics.
| | Characteristics | SAFT | Yardney | 18650 cells | MP prototype | Gen 2 ATD program
Baseline | Gen 2 ATD program
Variant C | Quallion LLC ATD test
cells | High energy (HE)
prototype |
| | Cell geometry | Cylindrical
(DD size) | Prismatic | Cylindrical | Prismatic | Not specified | Not specified | Not specified | Cylindrical |
| | Positive electrode | LiNi0.8Co0.15Al0.5O2 | LiNi0.8Co0.2O2 | Ni0.8Co0.15Al0.05O2 |
LiCoO2 | 84 wt.% | 84 wt.% |
LiNi0.8Co0.15Al0.05O2
PVDF binder |
LiNi0.91Co0.09O2 | | LiNi0.8Co0.15Al0.05O2 | LiNi0.8Co0.10Al0.10O2 | | 4 wt.% carbon black | 4 wt.% carbon black | | 4 wt.% SFG-6 | 4 wt.% SFG-6 | | 8 wt.% PVDF binder | 8 wt.% PVDF binder |
| | Negative electrode |
Graphite |
MCMB |
MAG-10 | Synthetic graphite | 92 wt.% MAG-10 | 92 wt.% MAG-10 |
MAG-10 PVDF binder |
Synthetic graphite | | 8 wt.% PVDF binder | 8 wt.% PVDF binder |
| | Electrolyte | 1 M LiPF6 | 1 M LiPF6 | 1.2 M LiPF6 | 1 M LiPF6 | 1.2 M LiPF6 | 1.2 M LiPF6 | 1.2 M LiPF6 | 1 M LiPF6 | | EC : DMC : DEC | EC : DMC : DEC | EC : EMC | EC : DEC : DMV | EC : EMC | EC : EMC | EC : EMC | PC : EC : DMC |
| |
Solvent mixing ratio | 5 : 3 : 2 | 1 : 1 : 1 | 3 : 7 | Not specified | 3 : 7 | 3 : 7 | 3 : 7 | Not specified | | (vol.%) | (vol.%) | (wt.%) | Assumption, 1 : 1 : 1
(vol.%) | (wt.%) | (wt.%) | (wt.%) | Assumption, 1 : 1 : 1
(vol.%) |
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