Solar Fuel Cells

| Abc of Solar Energies  | Solar Heating Systems  | Photovoltaic: Solar Power Technology  | DIY Solar Power  | Solar Energy Experiments  |

You are here: > Solar Energy Technologies > Photovoltaic: Solar Power > Solar Fuel Cells

What are solar fuel cells and how do fuel cell systems work?

When it comes to understanding solar energy, it is helpful to start at the very beginning with the most basic elements of the system. Thus, before moving on to any other part of the solar energy cycle, you will want to understand what fuel cells are and how a fuel cell system works. This article will give you the details you need to know to feel informed about solar fuel cell systems.

The solar hydrogen fuel cell system

Most fuel cell systems are constructed around the basic solar hydrogen fuel cell system. In this construct, there are two electrodes in the fuel cell. They are an anode and a cathode, and they are separated by a membrane.

The anode functions as the negative electrode, while the cathode provides the positive charge. Hydrogen passes over the anode, and oxygen is added to the cathode. The catalyst is the difference in the charges, which results in the gasses losing electrons, which then flow out of the solar fuel cell as energy.

A solar based fuel cell generator combines all of these individual reactions into one consistent stream of power. This power can be used immediately or stored if it is not needed at the present moment. Most solar hydrogen fuel cell system set ups have a battery bank where excess energy is stored until it is either sold back to a mainline electric provider or needed by the system.

For a reaction that seems so simple, solar based fuel cell generator systems can be complex. The systems require precision tuning so that they are getting the most sunlight possible from their environment to keep the cellular reactions flowing. They also need to be well calibrated with their battery banks so that you can hold onto the power that your system is generating for use at night or on cloudy days.

As a result, many fuel cell systems are relatively self-contained, especially if they are being used for public purposes. They can also be layered or stacked to provide power boosts, which is what makes solar cars possible. The levels of experimentation seem relatively endless, hampered only by the imaginations of the researchers.

Are solar based fuel cell generators our best option?

Of course, one of the areas of experimentation involves moving away from oxygen-hydrogen reactions to provide power. Many other materials are continually being tested to be sure that the hydrogen fuel cells really are the best available option. Anyone who can innovate a more effective solution than the industry standard is sure to win accolades in the marketplace.

Now that you understand the most basic foundation of solar energy, the solar fuel cell, it may be useful to explore some of the other applications of solar energy in the world that have grown from this humble brick. From portable fuel cells to printable solar panels, there is a lot going on out there. All that is needed is a mind that is willing to explore, and all of the secrets of solar energy are yours.