I am familiar with the large-scale application of lithium batteries. If I use sodium ion batteries instead, what impact will it bring? For the current new energy vehicles, the biggest “complaint†of users is that they are troublesome to charge and the cruising range is relatively short. If they are driven by sodium ion batteries, will the situation improve significantly? The answer is yes.
Today, the sodium ion battery application demonstration project has been implemented in the Shanghai Super Carbon Center. Through this demonstration project, it will be more conducive to the large-scale application of sodium ion batteries in the field of electric energy storage in the future, combined with the smart grid to serve the people. In the next 3 to 5 years, the industrialization of sodium ions can be realized on a large scale, and the prospect of the entire energy storage market is quite good.
New mode of energy storage combined with power grid
Recently, the "New Type Low-cost Sodium Ion Battery Industrialization" project created by researchers from the School of Environmental and Chemical Engineering at Shanghai University has entered the market as the latest achievement of Shanghai's independent original intellectual property rights, and is expected to produce economic benefits for industrial clusters. The scale will exceed 1 trillion yuan.
Professor Wu Minghong, the team leader of this project, is a member of the Russian Academy of Natural Sciences and the Academy of Engineering. She said: "The batteries currently used in the market have different lengths. Although the most commonly used lead-acid batteries have low cost and mature technology, they have short life, environmental protection, frequent maintenance, and high recycling costs. Similarly, lithium batteries have high costs and safe performance. Poor, the manufacturing cost of all vanadium flow batteries is also very high, and there are also hidden safety hazards; there are high-temperature sodium-sulfur batteries, which are not only poor in safety, but also low in energy density. Through analysis of market competitive products, we give newly developed sodium The ion battery is positioned to be low-cost, safe, and environmentally friendly. "
According to Wu Minghong, electricity is the final form of clean energy use and the most efficient form of use. China ’s current electricity consumption accounts for 21% of final energy consumption. With the rapid development of electric vehicles, power consumption will increase significantly, and it will be concentrated in a certain area of ​​the existing urban power grid (within the community). On the other hand, the existing urban power grid has insufficient space, and it is difficult to rebuild and upgrade again. Therefore, in the concentrated charging area of ​​electric vehicles, there will be "power shortage". The energy storage microgrid developed by Shanghai University takes sodium ion energy storage as the core. It uses distributed photovoltaic power generation as the energy source, combined with integrated energy services such as electric heating, to create an incremental distribution network demonstration base, aiming to study energy storage applications. Scenarios and capabilities, the combined model of energy storage and power grid, and gradually promoted to the stock network to form a new model of energy utilization, provide solutions for the energy Internet, and promote the energy revolution.
With a group of experts including post-doctorates, doctors, and materials research and development and energy storage battery research and development, this new low-cost sodium ion battery industrialization project team's vision is to focus on the use of new energy and grid connection, and the technical foundation. And the industrial base, the third is to form the city's new energy and renewable energy industries.
New industries focus on developing low-carbon economy
"The application of energy storage microgrids can form a balanced storage tank on both the power generation side and the power consumption side, breaking the time and space barriers that must maintain the balance in real time in the existing power grid, and finally achieve energy interconnection." Shangda Environment Tang Liang, a professor with the School of Chemical Engineering, said that large-scale energy storage technology is a key technology for the development of new energy and renewable energy. It is closely related to many upstream and downstream industries and supporting industries. Its smooth implementation will drive the new energy storage industry and high-end electronics. The rapid development of industrial economy such as information, intelligent management system, industrial energy saving, basic raw materials, energy service industry and so on. Moreover, accelerating the development of energy storage technologies is conducive to the development of new energy and renewable energy industries, and is of great significance for the city to adjust its development model, develop a low-carbon economy, cultivate new economic growth points, and open up space for economic development.
It is reported that from the perspective of resources and costs, sodium ion batteries are considered to be the most likely battery system for humans to use for large-scale energy storage. Regarding the development of sodium ion batteries, the United States, Britain, Japan and other countries are currently in the small-scale trial stage. There is no report on the mass production of sodium ion batteries in the true sense.
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