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Analysts said the automotive industry consultants expressed Lisheng Mao noted that the gradual promotion of new energy vehicles in future demand for materials of lithium battery power will be activated. Although China is now electric bicycles, motorcycles and other light electric car ownership has more than 50 million euros, the roof of the world, Pavilion dm1 battery , and draws a large number of battery manufacturers as well. However, some key technologies, is still under foreign control, lithium battery in the membrane and the electrolyte is an example.

Lithium-ion high-voltage, energy density (lightweight), no memory effect, long life cycle and benefits, such as the main power electronics, lithium-ion Xu World Qiuliang annual increase of 30% or more, a huge market, China has accounted for the production of lithium-ion batteries for more than one third of the world total, more than 100 lithium production business application battery materials Lithium Ion Battery Lithium-ion battery consists of positive and negative electrodes, electrolyte and separator material composed of polymer membrane system lithium material of the highest technical barriers to high value added materials, usually over 70% gross margin, which represents 20-30% of the cost of lithium batteries. separators of lithium ion batteries commonly used in polypropylene (PP), polyethylene (PE) single membrane layer, and the PP and PE multilayer membrane as a separator, polypropylene, for example, the cost of raw materials in the order of 8000 dollars / ton, while its transformation into a membrane, its value could reach 3 million yuan / ton, a substantial appreciation of the hundreds of times.

From the outside perspective, there is no significant difference in ordinary white plastic, but the structure of lithium batteries, the diaphragm is one of the key elements of the inner layer. effectiveness of the membrane, a direct impact on the battery capacity,EN-EL3 ,  cycling performance and safety and other features. Fosugufen chief engineer, Jinhui root billionaire chairman stressed that because of the high technology content, the membrane is made of lithium in the final product, and has mastered the basic technological divide. Currently, the annual domestic demand is about 130 million square meters, while the company Jinhui 1.200 million square meters.

According to the Investment Advisor “emitted by vehicles in China New Energy 2008-2010 Industry Analysis and Investment Consulting report” stresses that the formation of one million by 2012 if the size of hybrid cars, battery separator need nearly 400 million square meters, while the domestic divide the total capacity of only 130 million square meters. The battery may be the next growth type double, the demand will be 10 times more batteries mobile phones.
polymer film with thin film solar cell has a wide application in the same space, development and production of film separation of the lithium battery, solar photovoltaics for film companies and new materials is the direction General industrial modernization. However, domestic firms can produce only a handful of membrane, which have been subject to foreign imports, high prices, it is a very high manufacturing cost of lithium primary reason, of course, affect the major reason for the applications of lithium.

Currently, domestic enterprises can not produce a membrane technology Starbucks, Jin Hui Hi 2 technology is the main market is relatively mature, the severe shortage of supply, increasingly dependent on imports, the market mainly by Japanese Asahi Chemical Industry , Tonen Chemical, and the United States Celgard control. Membrane has a typical “high-tech, high capital” features and the project cycle is long, risky investments, the investment enthusiasm of domestic companies is not high.

Expected global polyethylene, polypropylene and aromatics such as demand for petrochemical products will be the main global-GDP2 3% higher than the rate of growth, the fastest growing in Asia. To this end, the leading oil companies in the world and petrochemicals,Canon NB-1L Charger ,  ExxonMobil Chemical is actively investing to meet this growing demand. Fujian, China manufactured through joint ventures in Singapore, the construction of new petrochemical plants, petrochemical production capacity world-class has more than doubled. Meanwhile, Saudi Arabia and Qatar also promote projects of large-scale investment and construction of a plant lithium new membrane Korea.

Although the lithium industry in promoting the development of skin of great importance, but from an investment perspective, word, divide a typical “high technology, high capital” characteristics, and project set cycle from start to long, risky investments, to some extent hindered domestic firms to invest in this important area.