Photovoltaic Cells

Topics: Photovoltaics, Renewable energy, Solar cell Pages: 5 (1440 words) Published: May 9, 2013
Renewable Energy Source: Solar Energy

Surname: Majid
Initials: MSA
Student Number: 17025419

Prepared for: SolarTech

Date: 11 March 2013


1. Abstract

2. Introduction

3. General description of solar energy as a renewable energy source
3.1. Definition of solar energy.
3.2. History of solar energy.

4. Definition of photovoltaic cell.
4.1. How photovoltaic cell works.
4.2. Advantages of generating electricity by means of photovoltaic cell.
4.3. Disadvantages of generating electricity by means of photovoltaic cell.

5. Conclusion
6. References

1. Abstract
This report focuses on the importance of solar energy in the world since it is a renewable source of energy and the benefits of renewable energy in the world. It also discusses on how electricity can be generated using photovoltaic cells, the advantages and disadvantages it has in the world and whether it is promising for the future or if it will be able to satisfy the need for energy throughout the world. The report concludes that the generation of electricity using photovoltaic cells will satisfy the need for electricity in South Africa due to favourable conditions in the country.

2. Introduction
There is a huge demand of energy worldwide. This is leading to energy crisis, because of the depletion of the non-renewable energy. Actions to overcome the energy crisis are currently taking place such as the development of renewable energy. The depletion of the non-renewable energy, e.g. fossil fuel and coal energy, will lead to an increase in the cost of the energy worldwide. Non-renewable energy plays a huge role in the contribution towards global warming and also in the pollution of the environment, whereas the renewable energy, e.g. solar energy, is cleaner to the environment, it will not jeopardise the future generation and it is efficient. The report discusses the general aspects of solar energy as a renewable energy source, how solar energy can be converted to energy using photovoltaic cell, the advantages and disadvantages of generating electricity by means of photovoltaic cell.

3. General description of solar energy as a renewable energy source Solar energy is a large and non-ending resource. Beyond that, it is a cleaner energy to fossil fuels that contribute to global warming and pollute the environment. Given the vast amount of solar energy from its sources, this resource will play an important role in the future generation and the future energy. Solar energy refers mostly to how it can directly generate electricity and heat. Solar energy also supports all life on Earth. The heat from the sun leads to a difference in temperature in a region, producing wind to power wind turbines, also known as wind power which is another source of renewable energy. The sun also leads to the growth of the plants, which is used as a biomass fuel or the plants start decaying and compressed into the Earth for millions of years, which results in the formation of coal and oil, which is mainly used today as our main source of energy.

3.1. Definition of solar energy
Solar energy is energy made by sunlight, which is used to make electricity and it can be converted into electricity in many ways, which are: solar heating, solar photovoltaic and solar thermal electricity. Solar energy can be characterized either as active solar or passive solar techniques, depending on how it is captured and converted into solar energy. Active solar techniques make the use of photovoltaic panels and solar thermal collectors to capture the energy, whereas the passive solar techniques are related to the designs of the buildings such as: selection of materials with favorable thermal mass or distribution of light properties, to maximize the use of solar energy in the building.

3.2. History of Solar energy
In 1839, photovoltaic effect was discovered by scientist Alexandre – Edmond Becquerel, which he found while conducting an experiment on...

References: * Reference: Alternative Energy
Ed. Neil Schlager and Jayne Weisblatt. Vol. 2: Hydrogen, Nuclear Energy, Solar Energy. Detroit: UXL, 2006. p209-259.
* Solar cell. 2012. Encyclopædia Britannica Online. [Online]. Available: [2012, 30 October]
* How solar energy works. 2012. [Online/Intyds]. Available/Beskikbaar: [2012, 11 December].
* Solar energy. [Online]. Available: .
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