9 Sustainable Attainment of Solar E-waste …
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DC Electricity
Fig. 9.1 Photo voltaic effect
be used almost anywhere and it can be easily assembled and placed with minimal
cost.
9.1.5.2 Disadvantages
There are a few disadvantages of using solar panels such as: Initial expense is huge,
depends on the weather, extra expense for battery backup, the output is affected
by climatic condition, location, latitude, longitude, altitude, angle of tilt, ageing,
denting, bird dropping, etc., it does not have the capacity for self storage, machine
manufacturing is very complex and wide area for solar panel installation is required.
9.1.6 Types of Solar Cells
9.1.6.1 Monocrystalline Silicon Solar Cells
“Solar cells made of monocrystalline silicon (mono-Si), also known as singlecrystalline silicon (single-crystal-Si), are readily identifiable by their shading and
uniform appearance on the outside, suggesting high silicon purity. Monocrystalline
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