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Under the new economic situation created by the development of photovoltaic industry towards the mystique is slowly, show the world wide market prospect. Metallurgy Building Materials Industry Management Office of the Provincial Director Chen Bin told reporters that when silicon wafers, solar cells on its collection, while the photovoltaic industry chain complexity out of understanding the details.
To supply solar energy resources an integral electric light in high purity silicon using the photovoltaic industry directly, because its clean, green, safe, renewable and other features, and light directly into electrical energy can change, estimated , 1 kWh per 325 grams of standard coal can be saved and nitrogen compounds, dust and emissions at the very least, more and more countries and attracted attention from industry. According to statistics, the past seven years, the world photovoltaic industry average increase of over 35%. Recently, the province “Eleventh Five-year GDP energy consumption” put 16% in the period ahead unit, fell 10% reduction target. Serious situation given the search for new clean energy, development of photovoltaic industry , is the right time. “The structure of our energy, save energy, emissions reduction goal of building an environment-friendly society, great importance is adjusted province.” Provincial Economic and Trade Department said the technical development.
South Korea to develop hydrogen fuel cell future of high-energy mobile power supply to do
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According to foreign media reports, South Korea has developed a high-energy hydrogen fuel cells, and successfully used in unmanned aircraft. Currently the U.S. military to use unmanned reconnaissance flights will be lasted for 40 to 60 minutes, while the use of this high-energy hydrogen fuel cells will enable the flight time to improve ten-fold, to 10 hours. South Korean researchers said: “hydrogen fuel cells in the absence of high-energy use of the success of the aircraft is expected to be extended to products such as digital cameras and robots to provide the impetus.”
Korea Institute of Science and Technology (KAIST) the right of the World Chun aeronautical engineering professor and Professor Shen Xuanzhe led research team has developed such a high-energy hydrogen fuel cells, October 9, they will be such batteries are used in unmanned aircraft and for a prolonged period flight experiment to be successful.
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The water will break down under the action of electricity out of hydrogen and oxygen atoms. Hydrogen fuel cells take advantage of this principle is the reverse, using elements of hydrogen and oxygen elements in the air react to generate electricity. U.S. Naval Institute and the Georgia Institute of Technology in 2006, jointly developed the use of compressed hydrogen fuel cells and used for unmanned aircraft. Professor Shi-Zhen right, said: “use of sodium borohydride fuel, because it is liquid, it more than the state of compressed hydrogen gas to produce more hydrogen, but also reduces the risk of accidental fires, more user-friendly to the market. At the same time, this high-energy hydrogen fuel cell than a battery can produce 10 times more electricity, is expected to be extended to digital cameras, mobile phones and other electronic products. ”
The public use of high-energy hydrogen fuel cell aircraft weighing 2 kg (including hydrogen fuel cell weight of 750 grams), length 1.2 m, width 0.7 meters, with a considerable size of the U.S. military unmanned reconnaissance aircraft. Alleged that, if the weight of hydrogen fuel cells down to 500 grams, unmanned aircraft could also fly 10 hours.
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