The technical characteristics and development trend of the lithium battery materials

Source: 2020 - 03 - 23 15:01 hits: lithium battery materials technical characteristics and development trend of lithium ion battery industry requires a number of technology integration, including electrochemical technology, production technology, electronic technology, materials technology development. Lithium ion batteries requires constant development in theory, not only high production requirements are appropriate, must rely on excellent equipment and factory conditions and high quality technical workers, have the ability to produce qualified lithium ion batteries. The authors introduce for everybody below first yi network technology characteristics and technology development trend of lithium battery materials. Technical barriers from raw materials, lithium ion battery expertise diaphragm & gt; Anode materials & gt; The electrolyte & gt; Anode materials. But now always prevent the use of lithium ion battery anode materials industrialization strategy at the center of the problem is, on the one hand, the lithium ion battery anode material of the highest capital, reducing a source of lithium ion battery anode material, on the other hand the anode materials is the electrochemical performance of lithium ion batteries decisive factor, now of the anode material can't fully satisfy the widespread use of electric cars and cheap industrial storage class requirements. The anode materials is the most important raw materials of lithium ion battery, each have advantages and disadvantages, the positive materials of the different function according to the demand for cheap products, choose different kinds of the anode material. Consumer electronics to the functional requirement of the lithium ion battery cathode material is mainly concentrated in the lithium ion battery energy density and safety. The function of the power battery cathode material is high voltage, high energy, high power, wide temperature range. Lithium iron phosphate, lithium manganese acid and ternary material is the main raw material of power lithium ion battery cathode material. In terms of power battery, lithium titanate is a new development direction. Technical characteristics and development trend of lithium battery materials of anode materials technology and market are obsolete, primary materials, carbon graphite anode materials inevitably in the mainstream advantages in terms of negative capital speculation. Traditional multiplier function of graphite anode materials is difficult to meet the needs of the lithium ion battery. In the field of consumer electronics, needs to improve the energy density of batteries to silicon carbon ( si- c) Composite material as a representative of new high capacity cathode material is the development trend of the future. The highest diaphragm production technical barriers, diaphragm material on the market is mainly polyethylene ( PE) And polypropylene ( PP) Polyolefin diaphragm. Is the trend of the diaphragm career development in the future is thinner and more security. With lithium-ion batteries used in consumer electronics, electric vehicles and other types of rapid growth, the future storage layout, and before the outbreak of the lithium ion battery diaphragm, requirements of product function and quality of the breakthrough, the future trend of the diaphragm is satisfied with high power, large capacity, long life cycle, the functions of the safe and reliable. Electrolyte is usually made from high purity organic solvent and electrolyte of lithium salt, necessary additives and other materials, under certain conditions, according to certain manufacturing industry, the electrolyte electrolyte cost the largest proportion, the electrolyte is also the highest technical barriers links, now first is by the Japanese and south Korean monopoly. Six fluoride phosphate lithium is the most important market of lithium ion battery electrolyte. The future development trend of the electrolyte is to meet high voltage, wide temperature range and high security requirements. At present, from the perspective of technological development, lithium battery materials technology has three big trends: ( 1) The electric car development of high-capacity lithium ion power battery; ( 2) The development and application of new high functional electrode materials, especially the development of the functional anode materials with high; ( 3) To further reduce the cost of lithium-ion battery, improve the safety of the battery.