Energy Storage Technologies; Recent Advances, Challenges, and
Various storage technologies have been combined for different applications as shown in Fig. 7.16 Most commonly used in renewable energy sources can be classified as fuel cell /flywheel HESSs, supercapacitor/battery, fuel cell/supercapacitor, battery/flywheel, battery/CAES, SMES/battery, and fuel cell /battery (Samweber et al. 2015).