Building Integrated Photovoltaics For Environmental Protection And Energy Saving Essay

1302 Words6 Pages
As petroleum, coal and natural gas have been consumed increasingly faster in recent years, alternative energy, especially solar energy, which is potential, efficient, eco-friendly and adequate, has been applied in a variety of areas. Furthermore, Lombard, Ortiz, and Pout claimed that it is an unexpected fact that building expend up to 40% of global energy consumption. (2008, P394) As a result, many governments and scientists suggest utilizing building-integrated photovoltaics to the public. This article will explain the innovation of building-integrated photovoltaics and describe its applications in current buildings. It will then evaluate the contribution of building-integrated photovoltaics to environmental protection and energy saving. Building-integrated photovoltaics (BIPV) is a new method of building that applies photovoltaic materials, which are based on the photovoltaic effect, a phenomenon in physics, photochemistry, and electrochemistry, using semiconducting materials to convert light into electricity, to substitute for traditional materials in some portions of the building, such as the roof and the curtain wall. (Steven, 2010) Additionally, Roberts and Guariento (2009, P11) mentioned that unlike traditional solar thermal systems, the photovoltaic system installed in a building is not only the apparatus that producing electricity, but also a component of a building. The original photovoltaic (PV) systems in buildings began occurring in the 1970s. Due to no

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