A nickel metal hydride battery, abbreviated NiMH, is a type of rechargeable battery similar to a nickel-cadmium (NiCd) battery but, for the anode, instead of cadmium, it has a hydrogen absorbing alloy. Like in NiCd batteries, nickel is the cathode. The voltage output of such packs is directly proportional to the number of single cells in the pack. In some cases, the total voltage can exceed the maximum of 10 V that is measurable by the Autolab potentiostat/galvanostat. To apply and measure voltages greater than 10 V, we have developed a voltage multiplier that increases the voltage range of the Autolab.


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