In China during the "Twelve Five-year" plan one of the new energy vehicles is one of the seven emerging industries, has become an important breakthrough in the revitalization of the economy and the transformation of industrial structure.The development of new energy vehicles is an important component of low-carbon economy, To alleviate the contradiction of energy supply and demand, improve the environment, promote sustainable economic development plays an important role in promoting.
New energy vehicles is the most can reflect a country's science and technology development level, One of the capability of independent innovation and international competitiveness of industry To promote the transformation of our transportation energy, through energy diversification and power electrification, emissions from cleaning, to realize the transformation of power from car production to car technique.The introduction of "new-energy motor vehicles in our country industry development planning" (2011 and 2020) provided for in the draft, The central authorities will invest billions in support of the core technology of energy-saving and new-energy vehicles development and promotion, Make China become the world's largest producer of new energy vehicles, To make the technical aspects of production of new energy vehicles in China keep pace with the developed countries or in a leading level China has been the top priority in the development of electric vehicles as a new energy vehicles is the main direction of the development of new energy vehicles.Electric power source is the battery, power battery is composed of anode, cathode and electrolyte composition of mobile power source.
Lithium-ion battery industry, a new study has found Based on the current collector anode for lithium ion rechargeable batteries on the surface of aluminium (al) foil etching, roughening treatment can improve the battery charge and discharge properties.After roughening of the surface adhesion of the active material of aluminum foil and after treatment compared with no surface treatment of aluminum foil, battery charge and discharge characteristics are evidently improved.This is for the development of rechargeable batteries in hybrid and electric cars, as well as wind power and solar power storage of rechargeable batteries have an important role.
After using a special aluminum foil, Significantly improve the performance of the times the rate of the battery, Especially in the case of large magnification (3C), rate discharge capacity above 15%, or at the same rate cases, special aluminum foil can increase the energy density of the battery.
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