Page 80 - Electrician - TT (Volume 1)
P. 80

ELECTRICIAN - CITS


































           Reactions:
           At anode
                          Charge
           Cd(OH)  + 2e            Cd + 2OH -
                       -
                  2
                        Discharge
           At cathode
                          Charge
           Ni(OH)  + OH            NiOOH + H O  + e -
                       -

                 2
                                             2
                        Discharge
           Over all reaction
                                Charge
           Cd(OH)  + 2Ni(OH)             2NiOOH + 2H O
                            2
                  2
                                                     2
                              Discharge
           Advantages
           •  Fast and simple charge
           •  Good load perfomance
           •  Smaller and lighter

           •  Long life than lead acid cell
           •  It can be packed in a sealed container
           Applications
           •  Calculator

           •  Electronic flash unit
           •  Cord less appliances













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 CITS : Power - Electrician & Wireman - Lesson 13-19  CITS : Power - Electrician & Wireman - Lesson 13-19
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