Multilayer Progress
Repeated
Fast Charging
>80% energy retained after
>400 consecutive fast
charging cycles
QuantumScape
CPI0S8AA-PS00-01
100
Discharge energy [%]
08
80
60
60
40
40
20
20
Repeated Fast Charging
Panasonic 2170*: ~25 °C
QS: 25 °C
QS: 45 °C
0
0
50
100
Commercial target for fast charge
Cathode Loading
Charge Current Density
Charge* Rate
4C-1C
3.3 mAh/cm²
13.3 mA/cm²
Temperature
25,45 °C
Anode
Depth of Discharge
Anode-free Li metal
100%
Area
70x85 mm
Pressure
Layers
~3.4 atm
1
+C/3 (1.1 mA/cm²) used from 0-10% SOC, 4C (13.3 mA/cm²) used from 10% to upper cut-off voltage (4.2V)
150
200
250
Cycle number
300
350
QuantumScape®
*From QS testing of cylindrical Panasonic 2170 cell; provided for illustrative purposes only and should not be relied upon as
necessarily being indicative or representative of actual performance of all lithium-ion energy cells from such third-party's
product line or of automotive lithium-ion energy cells in general.
18
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