| As mankind enters the 21st century, faced with alluring development opportunities, but it also faces serious challenges. The growing human demand for energy and access to the increasingly serious environmental pollution caused by energy, the environment related to the survival of mankind itself, related to the sustainable development of world economy. To meet this challenge, governments and scientists to find a non-polluting, renewable energy for a few years to explore and research. Currently, it can definitely be said that the people of this unremitting exploration and research has been tremendous progress -- the use of renewable energy to solve the energy demand, such as : solar, wind, biomass, which sunlight generation (photovoltaic technology) is a technology is mature, reliable, long-life, easy to use, pollution, noise-free and easy to mass production of renewable energy. |