Multilayer Progress
Fast Charging
10-80% charge at 45 °C
in ~15 minutes
State of Charge [%]
Fast Charging Results
100
QS energy-dense
cathode 45 °C
80
00
Commercial
target
60
50
40
20
Top-selling
long range EV,
pack temp ≥ 45 °C
Charge* Rate
4C
Cathode Loading
5.3 mAh/cm²
Charge Current Density+
21.1 mA/cm²
Temperature
45 °C
Anode
Depth of Discharge
Areaţ
Pressure
Layers
Anode-free Li metal
100%
Commercially relevant
<3.4 atm
2
05
10
15 20 25 30 35 40
40
45
45 50 55 60
Time [min]
+C/3 (1.76 mA/cm2) used from 0-10% SOC, 4C (21.1 mA/cm2) used from 10% to upper cut-off voltage (4.25V)
+Commercially relevant dimensions may vary from 60x75 mm to 70x85 mm, depending on cell format
QuantumScape®
The fast-charge performance of Quantum Scape unit cells with energy-dense cathodes compared to a top-selling long-range EV
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