1
vacon • 4
BASICS
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Figure 3. Comparision of battery systems
Table 1. Comparision of battery systems
#
Reference
#
Reference
A
Batteries
E
Li-ion
B
Pb
F
Double layer capacitors
C
NiCd
G
Electrolytic capacitors
D
NiMH
Battery type
Energy density
Wh/kg
Power density W/kg
Service life in
cycles/years
Lead acid battery
30-50
150-300
300-1,000/3-5
Nickel-metal hybride
battery
60-80
200-300
>1,000/>5
Lithium-ion battery
90-150
500 -> 2,000
>2,000/5-10
Spercaps (double
layer capac.)
3-5
2,000-10,000
1,000,000/unlimited
B
A
C
D
E
F
G
100s
1,000s
1,000
100
10
1
0.1
0.01
10
100
1,000
10.000
10,000s
10s
1s
0.1s
Energy density in Wh/kg
Power density in W/kg
Summary of Contents for NX6
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