Analysis of the demand status of the solid-state battery industry, commercialization is on the way

my country Energy Storage Network News: Compared with traditional lithium batteries, solid-state batteries have better performance. Solid-state lithium batteries are extremely safe and have no risk of spontaneous combustion or explosion; high energy density is expected to solve the cruising range problem of traditional lithium batteries ; Can realize fast charge. At present, there are three types of electrolytes for solid-state lithium batteries: polymer electrolytes, sulfide electrolytes and oxide electrolytes. Some have been used on a small scale or are close to commercialization, and some are still in the process of improvement. Demand analysis in the field of power lithium batteries With people's attention to energy and environmental issues, new energy vehicles have begun to enter people's vision as a means of transportation. Especially in recent years, the popularity of new energy vehicles has been on the rise. In order to replace fuel-fueled vehicles and become a mainstream travel tool, it must be safe, convenient, and economical. Solid-state batteries are the best answer. As of June 2020, the number of new energy vehicles in my country is 4.17 million, compared with 3.81 million in 2019, the number of new energy vehicles has increased by 360,000. In 2019, the State Administration for Market Regulation required the recall of 33,281 new energy vehicles. The number of new energy vehicles recalled due to power lithium battery issues was 6,217, accounting for 18.68% of the total number of new energy vehicle recalls in 2019. Among the important trigger conditions for battery out of control, short circuits account for the vast majority. From a global perspective, the number of new energy vehicles continues to rise. In 2019, the global number of new energy vehicles was 4.79 million, an increase of 1.57 million compared to 2018. Problems with new energy vehicle batteries are a small probability event, but with the hot new energy vehicle market, the base number is constantly increasing, and the number of problems will also increase. Therefore, choosing solid-state batteries is an ideal answer for car manufacturers for safety reasons. Demand analysis in the field of consumer batteries In 2019, computer output was 356 million units, mobile phone shipments were 389 million units, and digital cameras were 819 million units. In 2015-2019, computer output has stabilized overall, but mobile phone shipments and digital camera shipments have declined to varying degrees. On the whole, the consumption of traditional electronic products in my country is already in a relatively mature market stage, and the overall trend is slowing down and shrinking. The demand for batteries will not change much. Demand analysis in the field of energy storage batteries In terms of electrochemical energy storage, the cumulative installed capacity of my country's electrochemical energy storage projects in 2019 was 1709.6MW, of which lithium batteries accounted for 80% of electrochemical energy storage. All-solid-state batteries are recognized as one of the emerging technology directions that are expected to break through the electrochemical energy storage technology bottleneck and meet future development needs. Nowadays, various countries are increasing subsidies for solid-state battery technology research. Once solid-state batteries break through the technical bottleneck of chemical energy storage, combined with the country’s guidelines for energy development, electrochemical energy storage will be connected to the grid on the user side and renewable energy. The demand for supporting and other fields is expected to usher in a rapid rise, and the development prospects for solid-state batteries are bright. The future development trend of the solid-state battery industry is in the field of automotive batteries: 350-500Wh/kg solid-state batteries are stepping up research and development, and will enter the batch trial processing stage in a short period of time. In the future, the energy density of solid-state batteries in the field of automotive batteries will continue to increase. In the field of energy storage batteries: The developed solid-state lithium batteries are expected to achieve the goals of high durability, high safety, and low cost, and provide important technical support for smart grids and energy Internet. In terms of national security: the performance of solid-state lithium batteries to withstand extreme conditions will be more prominent, including resistance to high pressure and high temperature, and solid-state lithium batteries will have important application prospects in the field of national security. From the perspective of the development path of lithium battery technology, various plans in my country, and the rising demand in downstream power lithium batteries, energy storage batteries and other fields, the development of the solid-state battery industry will become the general trend. In the future, the related technologies of my country's solid-state battery industry will continue to advance, and solid-state batteries will also show higher energy density, better safety and lower costs. The time for them to achieve large-scale processing and commercial development is no longer distant. 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