Dethan, Jacob Febryadi Nithanel (2016) Mathematical modelling of the nickel iron battery. [USQ Project]
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Abstract
The main issue facing the renewable energy power plants nowadays is the availability of a durable energy storage system. The commonly used battery around the world for energy storage system is the lead acid battery which has life time typically ranging from 3 years to 5 years. On the other hand, the nickel iron battery has potentially a longer cycle life compared to any rechargeable battery made currently. However, the nickel iron battery can be damaged by overcharging and over discharging. Thus, it will be very beneficial if the performance of nickel iron battery can be optimised by a smart charger system that will start charging when the battery voltage drops below the set values and stop charging when the voltage reaches the set maximum level. This research aims to create a mathematical model specifically for nickel iron battery. This model will be used to simulate and predict the state of charge (SOC) of the battery. The outputs of this model will be used as inputs to design a smart charger for the nickel iron battery that can help overcome the drawbacks of the battery.
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