“…A state of the art review papers published by Wei and Jing [18], Dixit et al [19] and Mahidur et al [20] on various energy harvesting techniques and their wide range of viable applications is very interesting to read and comprehend our understanding of the topic well. Roundy and Wright [21] developed a power generating MEMS device with a thin-film piezoelectric material that offered a high power density.…”