It was the one of the type “Single-crystal silicon type solar battery” that was researched first in that situation though it was a solar panel by which it spread considerably now, and the kind also became abundant.
In the single-crystal silicon type solar battery, the wafer of the silicon monocrystal is made a base, and the point to take pride in a very high though it is the oldest solar battery conversion efficiency is a feature.
Therefore, efficiency of making sunlight electricity is high, and the share is considerably improving.
Moreover, it will be able to be said that reliability is also high because it has an old history.
However, it rises considerably in respect of cost of manufacturing because a very expensive material of silicon crystal is used on the other hand.
Naturally, it enters an expensive by all means class as a commodity because the sales price becomes improving compared with other solar batteries, too.
The point that it costs much somewhat becomes a problem as a solar panel that the individual buys though it is still good for the amount that the corporation uses.
Because the flow of cost reduction is remarkably seen in the field of the photovoltaic generation in recent years, the single-crystal silicon type solar battery is expected that the occupation rate will decrease gradually.
The cost reduction of the solar battery unit might be a reason why the point of difficulty is the maximum because it doesn’t go not to use the silicon crystal.
However, the historical value seems for the existence not to disappear even if being decline high in the future because of the fact that it is a solar battery by which the human race started it first.
All solar batteries with the number started here.

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