QuantumScape Battery Technology Advancement
Repeated
Fast Charging
>80% energy retained after
>400 consecutive fast
charging cycles
QuantumScape
CPI0S8AA-PS00-01
Discharge energy [%]
100
08
80
60
60
Repeated Fast Charging
40
20
20
Panasonic 2170*: ~25 °C
QS: 25 °C
QS: 45 °C
All cells running same protocol:
•
C/3 from 0-10% SOC
•
4C from 10% SOC to upper cut-off voltage (4.2V)
CV to C/20-rate
1C discharge to lower cut-off voltage (3.0V)
0
Commercial target for fast charge
0
50
100
150
200
250
300
350
400
Cycle number
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.
18View entire presentation