2014-06-25 09:27:06 source: 21CN
According to the recently released "global new energy development report 2014" show, the global photovoltaic market in 2013 new installed capacity reached 38.7GW, which China new installed capacity of 12GW, increased by 232% year-on-year, close to Europe in 2013 new installed capacity sum. The global photovoltaic market from Europe as the core region to gradually shift to Asia, Chinese beyond established photovoltaic giants Germany, to become the world's largest photovoltaic market.
At the same time, the "report" shows, 2013 of global thin film solar cell production capacity to reach 8.4GW, the yield is about 4GW, productivity, yield was 20% higher compared to 2012, film power development in the global scope showed a steady development trend. Thin film power is more and more valued, and no pollution, inseparable technical advantages of low energy consumption, wide application range and low power cost. From the development perspective, in the next period of time, the film power there is still much room for improvement and potential.
In recent years, the rise of China realize sustainable development and film power industry and technological breakthroughs in photovoltaic field is closely related to. In the film generation technology, copper indium gallium selenide (CIGS) technology is the fastest growing and wide application field, has become the main direction of technology power of film, film power generation technology is currently recognized as the most industrialized prospect, was widely rated as "solar energy future". In this field, power generation enterprises to Chinese film as the representative have CIGS production assembly photoelectric conversion rate has reached the highest 15.7%, and with annual 1% right and left speed gradually, expected 2020 production assembly efficiency can reach about 20%.
As the copper indium gallium selenide thin film solar cell without the attenuation of light, anti radiation performance, stability and high conversion efficiency is quite good and can be made into flexible components and other unique advantages, copper indium gallium selenium film power generation technology has the very strong market competitiveness, and in the photovoltaic building integration (BIPV), flexible roof, door for power generation, automotive and other fields is expected to be large-scale application.
Thin film power generation technology in building integrated photovoltaic (BIPV) field has a huge market potential. Broadly speaking, building integrated photovoltaic (BIPV) is the thin film solar generating battery plate and a building roof and wall combination, each building to small power station, realize the power of "spontaneous self use, redundant online", neither covers an area of, also need not long distance transmission. In the field of industry, the industrial plant mostly uses not load-bearing light steel roof, rigid PV components because the traditional quality of larger and not in the ordinary industrial plant extension. In industrial applications, roof, flexible thin film component adopts the flexible substrate, can be bent, can be adhered, more development prospects in the application architecture market: on the one hand, lesser quality of flexible thin film components in the same area, which can meet the requirements of non bearing roof weight; on the other hand, can be bent, can paste installation the advantages of building shape and appearance can meet the design requirements.
According to the National Bureau of Statistics estimates, to 2020, housing construction in urban and rural areas in China is about 89000000000 square meters, East, South, west wall area, the roof area of 15% 10% meter, the direct market size of more than 10 trillion yuan, indirect market scale amounted to 30 yuan, equivalent to 3-5 times of automobile market in china. If calculated in accordance with the conversion rate of 10% and an annual average of 1300 hours of solar power generation, the installed capacity of Gezhouba Dam is equivalent to 368 or 45 of the Three Gorges, can replace the whole society about 30% of the annual electricity demand; every year can reduce carbon dioxide emissions of about 13 tons, equivalent to China's current annual emissions of about 20%.
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