Department of the results identified that the technology to achieve “national leader, the international advanced level”

Do not pay the water the sun

The shortage of fossil fuels to the sustainable socio-economic development of China’s tremendous pressure, strong research and development of clean renewable solar energy and the formation of industry, and is promulgated to implement the new “renewable energy law” an important measure. March 28 to “China’s solar energy development opportunities and strategies” as the theme of the first 273 times Xiangshan Science Conference was held in Beijing, more than 50 experts and scholars on China’s solar energy development and utilization of the problems faced and the future of solar energy technology latitude d410 battery,dell latitude d420 battery,dell latitude d430 battery the direction of development, such as in-depth discussions carried out.

Materials encountered a “bottleneck”

Meeting of the Executive Chairman, Institute of Semiconductors, Chinese Academy of Sciences Academician Liang Junwu comment on the report of the theme of “solar cell material world situation and China’s response” that the solar cell and materials development, is in today’s world of concern to the two major issues — – Energy and Environment meeting point, the cause of great importance to the world; China’s energy production and consumption power, the protection of the environment is a concern, therefore, solar cells must be fully aware of the material.

Meeting of the Executive Chairman, Institute of Metal Research, Chinese Academy of Sciences Academician WEN Lishi, China’s most abundant solar energy resources, as a permanent solar clean energy technology development has a unique charm and unlimited room for development. Solar energy will not reduce the earth’s resources, not to cause pollution, not only economically, but also no doubt that solar energy industry will be a hundred industries. Especially with other renewable energy technologies, China’s solar energy technology is to develop the best and most mature, China’s solar energy products with international quality and technical level of developed countries or less the same, or even very close.

Jun-Wu Liang said that since 1954, Pearson and others successfully prepared the first silicon solar cell has been the continuous development of photovoltaic industry, since 1998 the world production of photovoltaic cells to 30% ~ 40% of the rate of growth of crystalline silicon solar today The main battery materials. According to projections, if the world photovoltaic industry maintained at 15% or 30% of the growth rate, while in 2008 the global shortage of polysilicon will reach 1800 tons or 8600 tons, now including China, many countries are polycrystalline a serious shortage of silicon.

Immediately hear that, because of Germany, the United States, Japan and other developed countries of the world led the rapid development of photovoltaic industry, polysilicon material caused a serious shortage of supply. China has yet to form a polysilicon material scale industries, the import is very difficult polysilicon, solar energy photovoltaic industry is therefore facing the silicon material is even more severe situation. Polysilicon materials has become a constraint in the development of China’s solar energy industry “bottleneck.”

The challenges of cutting-edge technology from

Sun Yat-sen Institute for Solar Energy Systems, Professor Shen-hui in the “on the Development of China’s photovoltaic and Recommendations” report on the current forefront of the development of photovoltaic technology and the key issues, pointing out that Germany and Japan in recent years latitude d500 battery,dell latitude d505 battery, PV technology research and development must pay full attention to trends, including the application of automation and mass production technology, a large area, thin silicon, silicon-efficient production technology, high-efficiency thin-film batteries and high efficiency production process, such as environmental protection.

Crystalline silicon photovoltaic solar cells is the core of the system devices, in highly automated production equipment, with the support of a production line abroad has now reached a size of 30MW or more than 60MW, compared to China’s production equipment is also not for the formation of the automation system . Due to shortage of silicon materials, the resulting thin silicon technology has been quickly developed, thus reducing the cost of solar cells to improve efficiency; thin silicon solar battery cells may lead to the formation of a significant change in technology and our existing battery production technology challenge. At the same time, thin-film solar cells in a significant reduction in costs and improve efficiency has good prospects for development.

Li-Shi Wen said, according to PV development trends abroad, China should accelerate the development of polysilicon production technology and continue to enhance the production of crystalline silicon cell technology, thin film batteries, etc. At the same time to strengthen the research and development, for the development of low-cost solar cells to find a solution way. Liang Junwu suggestions: as soon as possible should be SiHCl3 polysilicon production process, so that domestic production of polysilicon in the plant put into operation as soon as possible; the active use of the world’s most advanced polysilicon technology, building energy consumption per kilogram of silicon, metallurgical silicon consumption, cost per kilogram of silicon and environmental indicators are the world’s advanced level in the new polysilicon production lines.

In addition to leaving a shortfall of what technology?

Li-Shi Wen pointed out that the current solar photovoltaic technology popularization and application, not only depend on the development of photovoltaic technology itself, but also the development of national energy policy and strategy.

In the promotion of solar photovoltaic applications, Germany and other countries should learn from the experience. The German government to take the lead in the use of solar energy, such as the parliament building in Berlin, Berlin train station and many other public facilities and places of use are a large number of photovoltaic power generation equipment and products, which the government subsidies for photovoltaic power generation policy and bank lending policies has played a very good incentive . In China, the current development of photovoltaic solar energy industry, there are still many issues to be resolved. If there is no one in the area of renewable energy unified decision-making, management and coordination of national leadership; study weak dispersion; solar energy industry and promote the use of the lack of relevant policies and specific measures; no long-term development strategy, the annual development plan and objectives.

WEN Lishi and other experts suggest that China is an earthquake, typhoons and other natural disaster-prone countries, posed by the photovoltaic solar cell system has better security and reliability, and the technology has matured and should therefore give priority to the development of solar energy technology. Government should take the lead in promoting solar energy technology, and should take the lead in government buildings, public buildings, public works, such as the promotion of solar energy utilization technologies; use, such as the 2008 Beijing Olympic Games an opportunity to build a number of demonstration projects for solar energy utilization. Countries should choose city conditional-grid solar photovoltaic demonstration and popularization and application, while continuing in the western region at the same time the development of photovoltaic power generation, but also encourage the development of coastal areas of solar photovoltaic power generation, and at dell latitude d500 battery,dell latitude d505 battery the right time to implement solar energy Millions of photovoltaic roof plan. The condition of our country to develop in line with the utilization of solar energy incentives.

Li-Shi Wen said that over the past several hundred years, human development and utilization of large-scale coal, oil, natural gas, such as “yesterday’s sunshine,” but with the rapid development of the world economy, “the sun yesterday,” will cease to exist 200 years. Hailed as “the sun today,” the solar energy industry is a century industries, the Millennium industries, believe that human beings from the large-scale use of “yesterday’s sunshine” to the large-scale use of “the sun today,” the time will not be too long.

Dalian developed high-tech capacity battery

According to “Dalian Daily” reported that the CAS Dalian Institute of Chemical Physics, the successful development of all vanadium flow battery energy storage system, so that our country, following Australia, Canada, Japan, after the master key to the fourth power storage technology.

According to reports, Zhang Hua-min to create a group-wide level 10 kilowatts vanadium flow battery energy storage system, the experimental prototype, the energy conversion efficiency of more than 80%, start fast, run the process of charging and discharging switch only 0.02 seconds, the depth of discharge can not damage to the battery can be run at room temperature and environmental protection, energy storage tank of electrolyte-free self-discharge phenomenon, and the construction of low-input. Ministry of Science and Technology Acceptance of qualified experts, the Provincial Science and Technology Department of the results identified that the technology to achieve “national leader, the international advanced level.”