Solar Bus

September 01, 2010 By: Admin Category: Solar Power

Solarve by Sanyo

Solarve (Solar Vehicle), the first solar-cell-equipped public bus in the world, recently announced by Sanyo in Japan. The bus was revealed to memorialize the 100th anniversary of Ryobi, a Japanese transportation and logistics company.

The Solarve is basically a city bus with solar cells on top that generate power for its interior LED lightings.

Sanyo says the bus solar panels generate total power of 798 watts (420 watts through crystalline silicon cells, and 378 watts through amorphous silicon cells). Power will be supplied by storage batteries inside the bus about nine hours for a long winter, or extended periods of time without sunlight.

The Solarve expected to be first used as a beginning September 1 (in Okayama City in southern Japan).

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Silicon Solar

July 18, 2009 By: Admin Category: Solar Accessories

Comparison between the Amorphous and Crystalline Silicon Solar Panels

Solar panels are generally made from crystalline or amorphous silicon. Amorphous means that the solar cells does not have a crystal structure. When you see a lot of solar panels, you will notice a mosaic pattern. This mosaic is different silicon crystals that grow together in different orientations.

Amorphous type silicon solar panel do not have a crystal structure. Amorphous silicon is as a glass or obsidian. The silicon atoms are all frozen together in a random way. However, in crystalline type silicon solar panels, the silicon forms a lattice or regular repeating crystal structure.

Excess crystalline type solar cells is that they are generally more efficient. However, the crystals need time to grow and therefore more expensive to produce.

Amorphous silicon panels cheaper to produce, because no crystal structure that needs time to form. However, the amorphous solar panel is less efficient.

Some solar panel manufacturers such as Sanyo has been producing solar panels that use a combination of amorphous and crystalline silicon for maximum effect. High efficiency crystalline silicon can be used to capture most of the energy, but the various layers of amorphous silicon is added to capture what is left.

So, what amorphous construction silicon panels? They are solar panels made from a non-crystalline variety of silicon.

Note: When purchasing crystalline or amorphous silicon panel it is important to consider the cost with efficiency. A crystalline silicon panel may be very efficient, but cost can be overcome benefits. Amorphous panel less efficient, but they are also cheaper. So, there is always a balance between costs and benefits.

Article You May Be Interested In Reading: Solar House

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