Fuel Cells



The Promise of Fuel Cells

A score of nonutility companies are well advanced toward developing a powerful chemical fuel cell, which could sit in some hidden closet of every home silently ticking off electric power.

Parts of a Fuel Cell

Anode

Negative post of the fuel cell.
Conducts the electrons that are freed from the hydrogen molecules so that they can be used in an external circuit.
Etched channels disperse hydrogen gas over the surf ....etc

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A fuel cell is a device that electrochemically converts the chemical energy of a fuel and an oxidant to electrical energy. The fuel and oxidant are typically stored outside of the fuel cell and transferred into the fuel cell as the reactants are consumed. The most common type of fuel cell uses the chemical energy of hydrogen to produce electricity, with water and heat as by-products. Fuel cells are unique in terms of the variety of their potential applications; they potentially can provide energy for systems as large as a utility power station ....etc

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A fuel cell is a device that converts the chemical energy from a fuel into electricity through a chemical reaction of positively charged hydrogen ions with oxygen or another oxidizing agent. Fuel cells are different from batteries in that they require a continuous source of fuel and oxygen or air to sustain the chemical reaction, whereas in a battery the chemicals present in the battery react with each other to generate an electromotive force (emf). Fuel cells can produce electricity continuously for as long as these inputs are supplied.

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ABSTRACT


You may have heard a lot recently about fuel cells. According to many news reports, we may soon be using the new energy-saving technology to generate electrical power for our homes and cars. The technology is extremely interesting to people in all walks of life because it offers a means of making power more efficiently and with less pollution. But how does it do this?

If you want to be technical about it, a fuel cell is an electrochemical energy conversion device. A fuel cell converts the chemicals hydrogen and oxygen into w ....etc

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Emerging Fuels and Technologies
Almost any energy source could, in theory, be used in the transport sector. This page highlights a few possible fuels and associated technologies that could emerge in Australia.

Some options could increase transport-sector emissions, if widely adopted and not offset by improved vehicle efficiency or carbon capture and storage.

Hydrogen

Hydrogen is a proven fuel source when used within specialised electrochemical fuel cells. Fuel cells are used to drive electric motors in a fuel cell vehicle, or FCV.

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A multi-scale model for electrochemistry in proton exchange membrane (PEM) fuel cells has been developed. The multi-scale model involves four scales: atomic-scale for kinetics of chemical/electrochemical reaction, nano-scale for surface reactions, micro-scale for electrolyte transport, and macro-scale. The energetics of chemical and electrochemical reactions are computed using quantum computation which serves as input for the kinetics on nano-scale catalysts which is simulated using the dynamic Monte Carlo (DMC) method. A full fuel cell model w ....etc

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BACTERIA POWERED FUEL CELLS FULL SEMINAR REPORT
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