Changing pattern of development and the requirements of the development of low-carbon economy, the new energy development has a bright future, and present the bottleneck has prompted a growing number of companies and researchers to look toward energy storage technology
Just concluded in Beijing, “the coordinated development of wind power and power” issues interim results conference, the National Energy Board new energy and renewable energy sources Shi Lishan, deputy director pointed out that the development of wind power to solve important environmental problems of energy measures The solution of wind power grid to run issue is China’s large-scale wind power development MH-19 Nikon EN-EL3e .
China Power Science Professor Huizhu that for this type of intermittent wind energy products, and other products is that the difference between its production, transport, consumption simultaneously. Because there is a warehouse store.
Changing pattern of development and the request of a low carbon economy, new energy has a broad prospect, and present the bottleneck has prompted a growing number of companies and researchers to look toward energy storage technology.
In the researchers opinion, a breakthrough in energy storage technology, or will be able to alleviate the different power struggle between the interests of promoting the rapid development of new energy industries, more importantly, to the efficient use of clean energy, change our energy mix, promote energy conservation reduction. Greater significance is to vigorously promote development of China’s energy storage technology, the promotion of industrial energy storage applications, which will facilitate the development of new energy technologies .
Therefore, the energy storage expert, Beijing Science and Technology Co., Ltd. General to co-founder of Century Mou Fung believes that the solution is intermittent and random use of these new energy efficient one of the core. This one, energy storage product development and application of new energy technology development is in one of the core issues Nikon EN-EL3 , Nikon MH-18 .
New energy-free “storage warehouse” embarrassing
“Now the situation of wind power, a bit like the road cars. Car multiple small, very crowded”, Huizhu that the wind power problem has become the biggest bottleneck in the development of wind power. She pointed out that as China’s wind power development than expected, but China’s power grid designed with the original of the expected rate, thus resulting in a wind power project launched though, it can not be achieved all the power the Internet.
Full swing in the wind power wind power will rise to concerns about excess, while wind power is rooted in the real Internet experience two problems.
The primary factor is the conflict of interests. In carrying limited power, wind power development will inevitably occur with thermal power and hydropower competing transport routes and markets. Shi Li Shan had said in public, with the expansion of the scale of China’s wind power, wind power development in China is facing a change in the environment. Constraints facing the development of wind power equipment manufacturing capacity from the market constraints into constraints. The reason is that wind energy resources and electricity markets do not match. Wind energy resource-rich region of small electricity market, in view of the country’s largest market, but faced with wind power and run the hard questions. He admits, “It’s not only the grid structure and transport capacity, but also with the level of awareness, management system, whereas the core is how to adjust the interests of all sectors.” Canon NB-7L Charger Canon NB-8L Charger
Second, some of the new energy industry development is limited by its own characteristics. Huizhu pointed out that wind power will cause a small power quality, voltage problems, large-scale power also cause stability problems, and peaking, frequency modulation problems. For example, the power of other thermal power, hydropower, are scheduling can listen to, send baseload nuclear power typically is a relatively stable base-load, thermal power, hydropower is to listen to orders, wind energy is from random.
Mu Feng Sinorama analysis to wind power and photovoltaic power generation as an example, have intermittent, not in the most need them. “Even when you do a lot of power.”
The direct problem is power quality by voltage fluctuations and frequency fluctuations and other factors, quality is difficult to guarantee. In power FM, the frequency fluctuations are more frequent. Peaking in the power, the peaking is more arduous task. Grid temporarily unable to accept so much wind power, current power consumption from the existing foundation can not be satisfied. Further affect the performance of the new low energy efficiency investments .
Mou Fung pointed out that the investment is not an effective use of wind is an example. As of the end of 2009, China’s wind power 16.13 million kilowatts, but there are 5 million kilowatts of grid failure. In the Northeast, Inner Mongolia, most of the winter wind was abandoned serious.
Gansu Jiuquan wind power base is the planning and construction of our first 10 million kilowatts of wind power demonstration base, according to construction plans, by 2010, the Jiuquan wind power installed capacity will reach 5.16 million kilowatts in 2015 will reach 12.71 million kilowatts or more. Currently, Gansu bottleneck in the development of wind power industry has been gradually becoming apparent. Power easy transportation difficulties, lack of power peaking capacity to become the biggest constraint. With the future construction of wind power base, transport will be more difficult to highlight the contradictions Canon NB-5L Charger Canon NB-6L Charger .
Interviewed experts pointed out that more than wind power, the future of both new energy vehicles, electric cars or solar photovoltaic power generation, promotion and commercialization of its large-scale applications, in addition to macro-policy environment, the premise and the key is efficient, green storage energy technologies and products.
Effect of storage technology breakthroughs
The industry view, beset the core of the energy industry – new energy and network problems to solve in the near future no hope. New energy, smart grid, electric vehicles, the future development of three new industry bottleneck point to the same technology – energy storage technology.
Mou Fung introduced energy storage technology is the power converted into other forms of energy, and when needed to power in the form of release. Mainly includes three aspects: First, the physical storage, on behalf of the pumping energy storage technologies, compressed air energy storage, ice storage, etc., the kinds of storage media, storage method is not a chemical change, and less efficient.
Second, chemical storage, on behalf of technology, lead-acid batteries, lithium batteries, vanadium batteries VW-VBG130 VW-VBG260 VW-VBG6 , sodium sulfur batteries. In this way the process of charging and discharging energy storage medium with the chemical reaction or change prices, inadequate battery life is relatively limited.
Third, other energy storage, including the superconducting energy storage, flywheel energy storage and super-capacitors, etc. In this way electrical energy to electromagnetic energy, such as the form of kinetic energy storage, charging and discharging speed, efficiency can be very high. In many types of energy storage, fuel cells, flow batteries and SMES are all in development.
Mou Fung believes that the development and application of energy storage technology, will help break the wind power, photovoltaic power generation and consumptive access bottlenecks, to reduce the demand for matching transmission line capacity, ease the pressure of peak shaving. At the same time also be able to eliminate wind power, solar power fluctuations, improve electric power quality, reduce off-grid power system operating costs and carbon emissions. “This is the next important component of smart grid.”
China Institute of Electric Power Research Institute to well that the energy storage battery to the national grid is important, is to achieve effective network management tools interact.
Energy storage battery power grid is divided into track and trace the power-type load type two, you can guarantee the smoothness of renewable energy power output, lower power prediction error, distributed energy storage technology can also be used to solve the problem of local voltage control, the promotion of energy saving, application of adequate and efficient equipment to reduce the waste of resources, improve power reliability and improve power quality.
The importance of the development of energy storage technologies, as early as May 26, 2009 in Beijing at the “First International Energy Storage Technology Conference,” YANG Yu-Sheng Chinese Academy of Engineering on the stress scale of development of energy storage industry in desperately, with the more and more important social and economic status.
Dr. Zhang Yongwei the State Council Development Research Center, pointed out that the development of energy storage industry not only technological means, it should be up to industry level, and even the national strategic level; countries should further clarify the strategic significance of the development of energy storage industry to promote energy saving, new energy, enhance national power grid capacity, enhance national competitiveness Canon LP-E5 Charger Canon NB-1L Charger .
“Can not wait until hungry to grow wheat,”
State “973″ project, “Efficient large-scale flow battery energy storage technology, basic research,” chief scientist, a researcher at the CAS Dalian Institute of Chemical Physics, Hua-Min Zhang pointed out that renewable energy and smart grid development have been national attention, but the energy storage technology lags far behind the development of new energy technology development needs.
With the status and role of energy storage technology highlights, energy storage technology research paid more attention, a sign that China’s energy storage battery Chan Xueyan Innovation Alliance in November 2009 in preparation for the establishment of Tianjin. From a global point of view, the new energy and smart grid development, energy storage technologies are unprecedented attention, the European Union, South Korea and Japan have also set up special funds to support research and development of energy storage technology.
Energy storage is a very long chain industry. Energy storage industries, countries first need to key materials, low-cost, high performance of bipolar plate materials and ion exchange membrane materials, engineering technology, conduct research, development and application of energy storage battery systems model. Mou Fung said that the Japanese government and U.S. government support for advanced energy storage technology, the largest and most enduring.
November 2009, U.S. Energy Secretary Steven Chu, announced plans to invest 620 million U.S. dollars funding smart grid technology demonstration projects of advanced and integrated systems, a total of 32 demonstration projects funded, large-scale energy storage technology has been put on top VGP-BPS15/B VGP-BPL15/B .
In 1986, Japan set up a Superconducting Magnetic Energy Storage Research Association, the task is to achieve practical application of SMES, superconducting energy storage technology for the independence of Japan contribute to the development. Currently, Japan sodium sulfur batteries are also in a more leading position.
However, expert opinion, the current energy storage technologies in the world are not the winner. In the storage area of all countries in the industrial application of the primary stage, differences between China and the international advanced level is not, increase the research and development of energy storage technology will help our country in the future international status have the advantage.
“At present, the development of energy storage technology is far behind the development of wind energy and solar energy, countries are eager to develop energy storage technology.” Hua-Min Zhang said that technology maturity is low, application of the model with little experience, is the common problem of energy storage technologies.
Mu Feng introduction, our energy storage technology in research and application should be said that in general there is a certain gap with foreign, but in different sub-technologies, our technical field in a very small number of the world’s leading technology, such as vanadium battery technology, common to the company after the acquisition of Canada VRBPower company, we can represent the world’s leading, but more energy storage technology, we and the international advanced level there is still considerable gaps; from the chain point of view, China’s savings energy technology and the international advanced level gap is even greater NB-2L NB-2LH .
“Not so hungry before going to grow wheat,” Yu-Sheng Yang, referring to the importance of energy storage technology research and the urgency of the time, made a vivid metaphor.
He believes that the scale of energy storage technology and industry can make money is not an immediate industry needs the government’s preferential policies. Government should scale energy storage technology and its industrial applications, as “12 Five Year Plan” major projects, strengthen basic research into energy storage technology, effectively encourage innovation, independent IPR. Meanwhile, the scale of energy storage technology from the start on the attention to environmental factors, prevention and control of environmental pollution; full play energy storage in the role of energy saving, the new energy policy to encourage an extension to the storage areas nikon EN-EL4 charger nikon EN-EL4a charger .