Page 69 - Handbook of Battery Materials
P. 69
2.3 Nickel–Cadmium Batteries 35
10 mm
Figure 2.11 Improved sintered substrate with high porosity.
10 mm
Figure 2.12 Nickel hydroxide particles for active materials.
500 mm
Figure 2.13 Three-dimensional nickel substrate.
important to put as many nickel hydroxide particles as possible into a given sub-
strate, and improve its utilization. Such new electrodes are used for high-capacity
nickel–cadmium batteries.
As mentioned above, nickel–cadmium batteries have excellent characteristics
and are used in diverse fields. Special-purpose batteries (Figure 2.14) comply
effectively with the requirements for improvement of various devices, for example,
high-capacity, fast-charge, high-temperature, heat-resistant, memory backup.