Rechargeable Lithium Battery, Li-ion Battery, 18650 Lithium Battery Guangdong Dp Co., Ltd. , https://www.factorydp.com
The reporter learned from the Ministry of Industry and Information Technology yesterday that the “12th Five-Year Development Plan for New Materials Industry†jointly prepared by the Ministry of Industry and Information Technology and the various ministries and commissions will be released and implemented in August this year, and the breakthrough focus and support system for the new materials industry during the “Twelfth Five-Year Plan†period. The development goals are about to be clear. Focus on the development of six new materials The Ministry of Industry and Information Technology said that the new materials industry has important strategic significance for supporting the development of strategic emerging industries and building new competitive advantages. The source said that since last year, the Ministry of Industry and Information Technology and the Ministry of Development and Reform, the Ministry of Science and Technology, the Ministry of Finance and other departments have organized the preparation of the "12th Five-Year Development Plan for the New Materials Industry". It is expected that the plan will be implemented in August this year. According to the introduction, during the “Twelfth Five-Year Plan†period, the new materials industry will actively develop six major categories of special metal functional materials, high-end metal structural materials, advanced polymer materials, new inorganic non-metallic materials, high-performance composite materials and cutting-edge new materials. The plan will also clarify that during the “Twelfth Five-Year Plan†period, a number of major projects and key projects will be organized to promote the integration of production, education and research, and promote the upgrading of the materials industry. The planning requirements will strive to establish a new material industry system with certain independent innovation capability, large scale and complete industrial support by 2015, and break through a number of key materials and technologies that the country needs to build urgently and lead the future development. Support policies will be in place To achieve the above objectives, the authority of the Ministry of Industry and Information Technology has clearly stated that it will speed up the establishment of a new material industry development policy support system and create a good development environment for the new materials industry. Oriental Securities analysts believe that as part of the support of emerging industries, the new material industry policy support system includes finance, finance, taxation, technology investment, product promotion and other aspects, thereby promoting the rapid development of the new materials industry. It is reported that the rapid development of the new materials industry will be mainly driven by leading enterprises. The plan proposes that during the “Twelfth Five-Year Plan†period, a number of key enterprises with strong innovation capabilities and core competitiveness will be cultivated. The plan also requires that a group of new material industry bases with reasonable layout, distinctive features and industrial agglomeration will be formed in the next five years, laying a solid foundation for the sustained and rapid development of the new materials industry. In fact, in the "National New Industrialization Industrial Demonstration Base" confirmed by the Ministry of Industry and Information Technology in recent years, new material bases in Gansu, Hunan, Shandong and other provinces have been selected, and a number of listed companies are involved, which is expected to grow into a backbone enterprise in the future. On the eve of the outbreak of the fiber optic preset bar project, the Ministry of Industry and Information Technology stressed that “due to the large volume of new materials industry, the new stage of work needs to highlight the development focus, accelerate the development of key new technologies with high technology content, good industrial base, large market potential and low degree of protection. Materials, choose the areas that are most likely to take the lead in breaking through and becoming bigger and stronger. Focus on the above selection criteria, the fiber optic preset bar project is expected to become a key project for policy promotion. Optical fiber preforms are the most "source" of cable production. In recent years, driven by the rapid development of the new-generation information technology industry such as triple play and Internet of Things, China's demand for optical fiber preset bars is very strong. However, due to the weak production of single-mode optical fiber preforms widely used by Chinese enterprises, their production efficiency, cost control and manufacturing processes are still far from the international advanced level, and they still cannot meet market demand. At present, the foreign dependence of China's pre-set bars is as high as 70%, of which more than 50% of imports are from Japan. After the earthquake in Japan, the lack of power supply caused by the earthquake caused the mainstream fiber supplier in Japan to be in a state of suspension, which has already caused a big impact on China's fiber industry. To this end, the China Electrical Equipment Industry Association has recommended to the Ministry of Industry and Information Technology that it will focus on supporting 2-3 enterprises suitable for batch production of conventional optical fiber preforms through nationally-established projects, and develop and promote the localization of equipment, especially related equipment. R & D, the formation of the industrial chain of optical fiber preform manufacturing equipment, and rapidly improve the production capacity of China's optical fiber preforms. Xiong Xiangfeng, vice president of Fiberhome Communications (31.16, 0.77, 2.53%), believes that with the continuous expansion of domestic optical fiber preforms, it is expected that 70% of optical fiber preforms will come from domestic manufacturers in the next five years. The preform will achieve a three-level jump from import to self-sufficiency to participation in international competition, greatly enhancing global competitiveness.
lithium batteries are a class of batteries made of lithium metal or lithium alloy as positive/negative electrode materials and using a non-aqueous electrolyte solution. lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium ion batteries.
Lithium metal batteries: These batteries contain lithium in the metallic state and are usually non-rechargeable. Due to the very active chemical properties of lithium metal, its processing, preservation and use have very high environmental requirements.
Lithium-ion batteries: These batteries do not contain lithium in the metallic state and can be recharged. Lithium-ion batteries mainly rely on the movement of lithium ions between the positive and negative electrodes to work, and when charging, lithium ions are removed from the positive electrode and embedded into the negative electrode through the electrolyte; The opposite is true for electrical discharge. Lithium-ion batteries have a voltage range of 2.8V to 4.2V, typical voltage is 3.7V, lower than 2.8V or higher than 4.2V will cause damage to the battery risk.
The invention of the lithium battery can be traced back to 1912, by Gilbert N. Lewis proposed and studied lithium metal batteries. Lithium-ion batteries, on the other hand, were started in the 1970s by M. S. Whittingham. With the development of science and technology, lithium battery has become the mainstream, especially in portable electronic equipment widely used.