In this article we are goint to talk about the monocrystalline solar panel and it’s features as detailed. If you are ready, let’s start to read our article.
Monocrystalline solar panel – powerful modules
Monocrystalline solar panels were originally developed for space technology and satellites. Later, monocrystalline solar panels were also used for resulting photovoltaic systems and are known for their high efficiency. Monocrystalline modules are more expensive than polycrystalline variants, but these solar cells also have much higher efficiencies.
Monocrystalline solar panel made of high-purity silicon
Monocrystalline solar panels for photovoltaic systems are manufactured in a complex process from the semiconductor material silicon. In this process, monocrystalline rods are drawn from a silicon melt. Subsequently, these bars are sawn into thin slices called “wafers”.
The individual monocrystalline solar panels are interconnected to form solar modules. A series connection of the solar cells results in a higher voltage, which is especially useful for smaller photovoltaic systems. A parallel connection of the solar cells ensures, especially with partially shaded solar modules for a higher average yield.
Monocrystalline solar panels are usually placed in a ” square-round ” shape, which means square with rounded corners. Solar modules made of monocrystalline solar cells have a dark blue to blackish color and look very smooth and even.
They have a lifespan of around 30 years. A monocrystalline solar module weighs between 8 and 16 kilograms due to its size, making it significantly heavier than thin film solar panels, for example.
Monocrystalline solar panel modules achieve high efficiency
Monocrystalline solar panels have a very high silicon content compared to polycrystalline solar panels and, with an efficiency of up to around 20 percent, are therefore the most effective solar cells in direct sunlight.
Monocrystalline solar modules are therefore also very well suited, if only a small roof area is available for a photovoltaic system, or if a very high performance has to be achieved. Monocrystalline solar modules are manufactured, for example, by IBC Solar, Suntech, Schott Solar and Aleo Solar.
However, monocrystalline panels are also relatively expensive due to the complicated production. Monocrystalline solar panels lose their power in diffused light. For a roof surface that is not directly oriented to the south, the efficiency of the solar modules can therefore be reduced. Alternatively, a tracking system may partially offset the orientation of the modules.
Monocrystalline sonar panel modules take longer to energetically amortize
The time and energy consuming production ensures that monocrystalline solar panels have a worse environmental balance than other photovoltaic modules. The energy amortization, ie the time until the solar yield exceeds the energy consumption of production, is significantly longer in monocrystalline solar modules in comparison between monocrystalline and polycrystalline solar modules.
At present, around one third of all photovoltaic systems are operated with monocrystalline solar panels, since the modules are complex to manufacture and more expensive, but compensate for this with high efficiency.
In addition to monocrystalline and polycrystalline solar panels, particularly thin cigs modules are also available. When choosing the modules, it is advisable to find a photovoltaic specialist who will advise you.
Composition of Monocrystalline Solar Panel
Monocrystalline solar panels are made of pure silicon. The production is very expensive, but guarantees a high efficiency of a maximum of 20% in production. Under laboratory conditions, monocrystalline modules even achieve an efficiency of 24%.
The silicon is pulled out of a melt in the form of a monocrystalline rod and then cut into wafer-thin slices (wafers). Silicon is an excellent semiconductor material for solar cells because it is available in sufficient quantities and the processing is climate-friendly.
Monocrystalline solar modules have a blackish coloration with white spots, which are due to the missing corners of the solar cells and the bright lower layer. The individual solar cells are combined to form a single solar module.
Monocrystalline solar panel – the most effective solar panel type
Solar cells convert sunlight directly into electrical energy. A distinction can be made between different types, with monocrystalline solar panels being the most effective.
At Solaranlage.de we will introduce you to the composition of these solar cells and make a comparison with polycrystalline silicon modules.
Advantages and disadvantages of monocrystalline solar panels in comparison
What characterizes monocrystalline solar panels? What differentiates monocrystalline modules from polycrystalline and thin-film modules? In which photovoltaic systems are monocrystalline modules used?
Monocrystalline cells consist of a single silicon crystal (c-Si) and have the highest efficiency of about 20% compared to other silicon cells. Monocrystalline solar modules have a typical black to bluish coloration and are preferably used there as a photovoltaic system, where only a limited area is available.
Monocrystalline solar modules have a lifespan of at least 20 years and have proven themselves over many years in solar projects.
Advantages and disadvantages compared to polycrystalline solar panel
Monocrystalline PV modules have the highest efficiency compared to other modules. However, this is also the reason for the high selling price. The performance of monocrystalline solar cells is higher because there is no structural diversity and thus crystal transition defects that occur in polycrystalline solar cells.
Monocrystalline modules are ideal for small roof areas, as they achieve high yields in direct sunlight due to their efficiency in a small area. With a less optimal orientation or shading, the performance of the solar cells decreases. Even at high module temperatures, the nominal power weakens, which is why sufficient cooling of the module is important.
Due to the lower price, polycrystalline PV modules are more likely to be installed on large roofs. The payback period of monocrystalline solar cells is the longest compared to polycrystalline and thin film modules.
The single crystal photovoltaic modules take about two to five years to produce the amount of energy that has been applied during manufacture. However, the lifetime is similar to polycrystalline modules 25 to 30 years, which is partly due to the very low susceptibility.
Conclusion: Monocrystalline solar panels are durable and powerful
The use of monocrystalline modules is recommended due to their higher acquisition costs, especially where there are only limited space available for installing a solar system.
Since they are on average smaller than polycrystalline modules with the same module performance of today’s standard 190 watt modules, a higher current yield can be achieved on a smaller area than, for example, B. with polycrystalline modules. Since monocrystalline solar modules are also very durable and robust, they are particularly recommended as modules for operators of private photovoltaic roof systems.