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CH AP TER 6 .1       Battery/fuel-cell EV design packages









































































               Fig. 6.1-10 Motor control and battery: (a) chopper circuit: (b) battery charge–discharge cycle; (c) cell arrangement; (d) battery
               time-of-discharge curves.

               1/15th battery capacity, the rate should be decreased to  hours until peak voltage remains steady at 2.6–2.8 V, with
               1/20th and carried on until 2.6 volts are shown at the  all cells gassing freely and with constant specific gravity.
               cells. To ensure near-complete removal of the sulphate  Such a charge should be followed by topping up with
               a periodic ‘soak charge’ should be provided for several  distilled water.



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