CR927 battery energy storage technology, application of lithium battery technology in the field of energy storage

　　CR927 battery energy storage technology, application of lithium battery technology in the field of energy storage. With the development of the energy storage industry, the advantages of lithium-ion batteries in energy storage scenarios have also begun to attract industry attention. As the main growth point of electrochemical energy storage, lithium batteries account for 75% of the scale of chemical energy storage. In the long run, the energy storage field will be one of the important application markets for lithium batteries.

　　CR927 battery energy storage technology

　　CR927 battery energy storage technology mainly refers to the storage of electrical energy. The stored energy can be used as emergency energy, or it can be used to store energy when the grid load is low and output energy when the grid load is high, to cut peaks and fill valleys, and reduce grid fluctuations.

　　So far, for different fields and different needs, people have proposed and developed a variety of energy storage technologies to meet the applications. CR927 battery energy storage is currently the most feasible technical route.

　　From the perspective of the economics of energy storage technology, lithium-ion batteries have strong competitiveness. Sodium-sulfur batteries and vanadium flow batteries have not yet been industrialized, and their supply channels are limited and expensive. From the perspective of operating and maintenance costs, sodium-sulfur batteries require continuous heating, vanadium flow batteries require pumps for fluid control, which increases operating costs, while lithium batteries require almost no maintenance.

　　Public data shows that my country has 20 CR927 battery energy storage projects, with a total installed capacity of 39.575MW. Energy storage is one of the important means to solve the intermittent volatility of new energy wind power and photovoltaic and realize the function of "peak-cutting and flattening". Energy storage lithium-ion batteries are also gradually receiving attention as an emerging application scenario.

　　Lithium-ion batteries are a very important energy storage technology and are widely used in portable electronic devices and new energy vehicles. The cost of global energy storage batteries is continuing to decline. However, future energy storage methods will shift from lithium-ion batteries to a richer range of innovative solutions.

　　Application of lithium battery technology in energy storage field

　　The application scenarios of lithium batteries in the power supply side, user side, and grid side of energy storage are as follows: The application focus of power generation side energy storage includes photovoltaic storage power stations, wind storage power stations, and AGC frequency modulation power stations; the focus of user side energy storage includes photovoltaic storage charging stations , home energy storage, backup power supply, etc.; grid energy storage includes substation energy storage, virtual power plant, peak shaving/frequency modulation and other scenarios.

　　Currently, there are two mainstream energy storage lithium batteries: ternary lithium and lithium iron phosphate. The power density is much higher than that of lead-carbon batteries. Relatively speaking, ternary lithium is higher than lithium iron phosphate.

　　With the development of electromagnetic emission technology, energy storage has become an integral part of it. Analyze the demand for basic energy storage units, take the power and energy demand of the power system as the traction, and take the optimal volume and weight adaptability of the energy storage system as the goal. Fully compare the existing various battery parameter indicators, from the perspective of safety, power density After considering four aspects: energy density and cycle life, the basic energy storage unit type is determined to be lithium battery.

　　Summary: Energy storage is a new market with broad development prospects for lithium-ion batteries. It is called the "new blue ocean" of CR927 battery applications. Some leading CR927 battery companies have already set their sights on this market. The author believes that within 5 years, lithium battery manufacturers should be able to solve price and technical problems and realize large-scale commercial application of lithium-ion batteries in the field of grid energy storage.

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