Page 67 - Handbook of Battery Materials

2.3 Nickel–Cadmium Batteries 33

Positive cap Spring

Gasket
Cover plate
Seal plate
Rubber plate
Casing

Figure 2.7 Safety vent of an Ni–Cd battery.
120
Temperature:20°C
1.6 1C

Cell Voltage (V) 1.5 0.02C 0.1C
0.033C
1.4

1.3

1.2

1.1
0 20 40 60 80 100 120 140 160 180 200
Charge Input (%)
Figure 2.8 Charge characteristics of an Ni–Cd battery at a
constant current (cell type 1200SC; temperature 20 C).
◦

1.4
Charging:0.1C×16Hrs.
Temperature:20°C
Cell voltage (V) 1.2

1.0

0.8
8C 4C 1C 0.2C
0 20 40 60 80 100 120
Discharge capacity (%)
Figure 2.9 Discharge characteristics of an Ni–Cd battery at
various discharge currents (cell type 1200SC).