Ni-Cd Battery

The Name Ni-Cd is derived from chemical symbols of Nickel -Ni and Cadmium- Cd.
In this type of battery contains Nickel oxide-hydroxide and Cadmium as electrode.

Basic Property of Nickel Cadmium battery

1.Specific Energy Density                 45-80 Wh/Kg

2. Internal Resistance                               17-33 mΩ/Volt.

3. Charge-Discharge Cycle Life       1000

4. Charge Time                                  1 Hr

5. Overcharge Tolerance                   Moderate

6. Self discharge/Month                    20% (at room temp.)

7. Cell Voltage                                    1.2 Volts

8. Charge Cutoff voltage                   indicated by Voltage Signature

9. Discharge Cutoff voltage               1 V/cell at 1C (min.)

10. Peak Load Current                        20C

11. Peak load Current                       1C (for best results)

12. Charge - Discharge Temp.          0 to 45 degree C (for best results)

13. Maintenance requirement          30-60 days discharge

14. Safety requirements                    Thermally stable

15. Toxicity                                         High