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Alternative Energy Sources

This free online course teaches you how to reap the environmental and industrial benefits of alternative energy sources.

Publisher: NPTEL
This free online course explores electrochemical devices that supply electrical current to an external circuit. We study electrical generators that convert stored chemical energy into electrical current and explain how supercapacitors support high energy density. We also cover the dynamics of electrically conductive fluids in the presence of electric and magnetic fields. This course suits anyone looking to save the planet while keeping it moving.
Alternative Energy Sources
  • Duration

    5-6 Hours
  • Students

  • Accreditation


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This free online course on alternative energy sources introduces you to today’s three main alternative energy sources. We begin with the pros and cons of fuel cells and their rating system based on electrolytes and operating temperature. We go on to explain why and how you should process fuel cells to increase their percentage of hydrogen content. We go through this process in detail to establish its feasibility.

The course then outlines the evolution of fuel cells to illustrate the principles that guide their production. We examine a fuel cell design that delivers power to a specific application and compares their performance when powering residential or stationary applications to their output when supplying power to automotive or mobile devices. We then explain how to characterize electrochemical devices using the single point of operation mode and generating polarization curves. The course analyzes the shape and slope of polarization curves in different regions.

We demonstrate how to assemble or disassemble a single proton-exchange membrane fuel cell (PEMFC) while identifying the function of each component. We then break down and compare supercapacitors, capacitors and batteries. The course then moves on to steering wheels and their function as energy storage devices. We explore magnetohydrodynamic power generation’s ability to increase the efficiency of existing power plants. This course is aimed at those who want to know more about alternative energy sources in terms of potential, costs, production and performance. This course suits anyone who is interested in learning more about the exciting new technologies that can protect the environment while meeting the world’s energy needs.

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