16340 battery

　　What is the technological development trend of 16340 battery electrolyte?

　　16340 battery electrolyte development status and price trend analysis. The electrolyte accounts for about 10% of the cost of lithium batteries, including solutes, solvents, additives, etc., and the cost proportions are about 50%, 30%, and 10% respectively. Due to fierce market competition for lithium-ion battery electrolytes, product prices have dropped, which in turn has led to a decline in gross profits.

　　16340 battery electrolyte is the carrier for ion transport in the battery. Generally composed of lithium salt and organic solvent. The electrolyte plays a role in conducting ions between the positive and negative electrodes of lithium batteries, which is the guarantee for lithium-ion batteries to obtain the advantages of high voltage and high specific energy. The electrolyte is generally prepared from high-purity organic solvents, electrolyte lithium salts, necessary additives and other raw materials under certain conditions and in certain proportions.

　　Analysis of current situation of 16340 battery electrolyte

　　16340 battery electrolytes include three large pieces of organic solvents, lithium salts, and additives. At present, the production of solvents in our country has far met the needs of existing batteries. However, as the energy density, safety density, and consistency of lithium batteries improve, the capacity still needs to be improved. further development.

　　16340 battery electrolyte price trend analysis

　　Since 2017, the price of lithium hexafluorophosphate products with periodic overcapacity has continued to fall, driving the price of electrolyte to continue to fall. From the perspective of output value, the domestic 16340 battery electrolyte output value in 2017 was 5.95 billion, a year-on-year decrease of 0.92%. The output value showed negative growth, and the company's gross profit declined seriously.

　　16340 battery electrolyte prices continue to fall. Looking at the overall trend, the average price of electrolyte in 2013 was about 48,000-50,000 yuan, which was about 25% lower than in 2012. In the fourth quarter of 2013, the average market price had dropped to about 40,000 yuan/ton. In 2017, the price of 16340 battery electrolyte fell due to the overcapacity and falling prices of lithium hexafluorophosphate. Among them, the prices of energy storage 16340 battery electrolyte and power battery electrolyte dropped significantly, with year-on-year decreases of 23% and 16.7% respectively. 3C digital prices fell 7.14% year-on-year. In 2017, the overall price of electrolyte products was at a low level, with the average market price of 50,000 to 55,000 yuan/ton.

　　16340 battery electrolyte technology development trends

　　1. High specific energy electrolyte

　　The pursuit of high specific energy is currently the biggest research direction of lithium-ion batteries, especially when mobile devices occupy an increasing proportion of people's lives, battery life has become the most critical performance of batteries.

　　2. High-power electrolyte

　　High-power lithium batteries not only put forward requirements for electrode materials such as high solid-phase diffusion, nanometerization to shorten ion migration paths, control of pole piece thickness and compaction, but also put forward higher requirements for electrolytes.

　　3. Wide temperature electrolyte

　　At high temperatures, the battery is prone to electrolyte self-decomposition and intensified side reactions between materials and electrolyte parts; while at low temperatures, electrolyte salts may precipitate and the negative electrode SEI film resistance may double.

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