Enroll Course: https://www.coursera.org/learn/energy-harvesting
In our increasingly connected world, the demand for low-power electronics, from ubiquitous remote sensors to wearable devices, continues to surge. While batteries have long been the go-to power source, the reality of their finite lifespan and the logistical nightmare of frequent replacements, especially in remote or inaccessible locations, presents a significant challenge. This is where the fascinating field of energy harvesting steps in, promising a sustainable and often overlooked solution. I recently completed Coursera’s “Energy Harvesting” course, and it was an eye-opening journey into a technology that converts discarded ambient energy into usable electrical power.
The course is structured logically, beginning with the fundamental principles of energy and thermodynamics in Week 1. This foundational knowledge is crucial for understanding how energy transformations occur and the inherent limitations we must work within. Week 2 delves into the critical area of materials properties and their direct impact on energy harvesting capabilities. Exploring different materials and their unique characteristics is key to designing efficient harvesting systems.
The real excitement begins in Week 3 with an in-depth exploration of the Triboelectric Nanogenerator (TENG). This technology, which harnesses mechanical energy from friction and electrostatic induction, is particularly compelling due to its potential for high output and versatility. The course meticulously explains the working principles of TENGs, making a complex topic accessible.
Finally, Week 4 brings it all together with a look at the practical applications of TENGs. From powering small electronic devices to integration into smart infrastructure, the potential uses are vast and inspiring. This section truly highlights the real-world impact of energy harvesting and its role in creating a more sustainable future.
Overall, “Energy Harvesting” on Coursera is an excellent course for anyone interested in renewable energy, materials science, or the future of electronics power. It provides a solid theoretical understanding coupled with insights into cutting-edge technologies like TENGs. I highly recommend it to students, researchers, and engineers looking to stay ahead in this rapidly evolving field.
Enroll Course: https://www.coursera.org/learn/energy-harvesting