The most important part of an electric car is a power battery. Wan Gang, Minister of Science and Technology, said on April 26, 2016 that in the next five years, efforts will be made to double the energy density of the power battery unit and reduce the manufacturing cost by 50%; while reducing the unit battery energy to more than 300 watt hours, the cost will be reduced to 1 Yuan below. “Development on the scale and basic research are the driving force of the power battery.†Wan Gang said at the 2016 China Automotive Forum that in the future China will pay more attention to basic technology research and continue to consolidate in the development of the power battery. Problems, identify scientific solutions, and resolve common key technical issues. It is understood that as China continues to invest in research and development of power batteries, the efficiency of power batteries continues to increase and costs continue to decline. Compared with 2011, the power battery unit energy density has been doubled in 2015, and manufacturing costs have been reduced by 30%. "Whether from the perspectives of energy, environmental protection, or the auto industry itself, the future of the auto industry points to the direction of new energy." Wan Gang said that the adjustment of China's energy structure provides energy security for the development of new energy vehicles; related regulations for the automotive industry The proposed reduction in consumption also promotes the transformation of industries into new energy sources. In recent years, China's new energy automotive industry has developed rapidly. According to data from the China Automobile Association, from January to March 2016, the country produced 62,663 new energy vehicles and sold 58,125 vehicles. In 2011, the production and sales of new energy vehicles in China were less than 5,000.
Why say closed cooling tower is energy saving and environmental protection equipment, more and more users are using this kind of equipment to replace the original equipment (open tower), we can through data analysis and comparison, the two energy data accounting can be obvious. Energy consumption is basically two major aspects, one is water, the other is electricity. Both are energy costs that no cooling tower can escape, unless you leave the equipment on.
First of all, look at the consumption of water. Water is generally consumed in two aspects. One is the flying overflow after spraying, and the other is the evaporation consumption of water.
Let's look at the open cooling tower, the spray water of the tower is basically between two and three percent of the overflow rate, if we according to the daily operation of 10 hours, excluding holidays, 280 days of operation. According to the actual open cooling tower flow of 6000 cubic meters per hour to calculate. 6000*2%*10*280= 336,000 tons of water, and the same closed cooling tower, its spray flying overflow is very small, because after all, the spray work is carried out in the tower, almost can be controlled in a few thousandths, we calculate according to 5 thousandths, the same is 10 hours of work, 280 days a year operation, To achieve the same cooling amplitude is basically 4,500 tons per hour of closed cooling tower is enough, then the calculation results: 4,500 *0.5%*10*280= 63,000 tons, it is not difficult to see, because of the different design structure caused by the waste of spraying water resources, more than 200,000 tons of terror. The bigger the pool of the open tower, the more wasted water, because the evaporation area increases, and the closed cooling tower has no pool, so the consumption here is zero. Judging from the price of a ton of water, just such a equipment, a year to solve the capital of hundreds of thousands of enterprises.
Let's look at the comparison of electric energy, electric energy is not different, because they are all through the same power equipment to operate the equipment, the power of the two is similar, the running time is the same, basically the energy consumption is about the same.
To sum up, for the closed cooling tower energy saving accounting can be strong to open the tower out, and, today are advocating energy conservation and environmental protection, this is the general trend, so the closed cooling tower is more and more favored by the majority of users.
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To double the energy density of the battery in the next five years