Currently, all-vanadium flow battery energy storage system can be applied to smart grid systems, large-scale solar energy, wind energy and other large-scale energy storage that requires frequent charge and discharge switching, and can use stored energy to achieve the peak of valley electricity to ease The problem of insufficient power supply during peak periods of electricity use.

Zhang Huamin said: "The energy storage system can also be used in key national departments such as government, hospitals, airports, military command systems and other backup power plants, in a very period to ensure a stable and timely electricity supply."

The demonstration project is of great significance

This reporter learned that Dalian Institute of Chemical Physics is the earliest in the flow of energy storage battery technology research and development unit.

Over the years, in response to the significant demand for large-scale energy storage technologies for renewable energy power generation and smart grid construction, the research department of Dalian Institute of Energy Storage Technology focuses on key materials, core components and battery system design, optimization and integration technologies for energy storage batteries , And carried out application demonstration. It has formed a solid accumulation in R & D and technical application of all-vanadium flow battery, laying a solid foundation for improving battery system performance and reducing costs.

Zhang Huamin said: "At present, Dalian Chemical Materials where vanadium flow battery energy storage technology research and development has been in the international advanced level."

The acceptance of the world's largest 5MW / 10MWh vanadium flow battery energy storage system behind the Dalian Institute of Chemical Materials and Dalian Branch Energy Storage Technology Development Co., Ltd. up to 13 years of independent innovation in research and development and cooperation.

"The successful operation of the demonstration project marks that the vanadium redox flow battery technology in China has reached the international advanced level, which has provided effective technical support for the popularization and application of renewable energy, has important social benefits and will bring significant economic benefits." Zhang Huamin Say.

Investment adviser in the energy industry researcher Zhou Xiujie also "China Science News" reporter pointed out that the successful integration of the project for all vanadium battery industry in China is significant, researchers, investors, businesses on the battery development prospects and growth Space is more optimistic.

"All-vanadium flow batteries have also gained prominence in the energy storage industry and are expected to attract more market participants to the energy storage industry, a success story that will become an important template for the industry as a whole," said Zhou Xiujie.

Commercialization still needs to be advanced

After the demonstration project is put into operation, it will accumulate rich and effective data for the different application modes of all-vanadium flow battery energy storage system in the field of renewable energy such as wind energy.

It is reported that the operational data can not only be used to explore how to establish a suitable application model, more importantly, it can provide data support for the decision-making at the government level and promote the introduction of the energy storage technology industrialization support policy. Zhang Huamin said: "This is crucial for the commercialization of large-scale energy storage systems for all-vanadium flow batteries."

Li Junhua pointed out that the successful integration of the project has taken an important step toward the industrialization of the energy storage system for all-vanadium redox flow batteries in China, but further efforts are required for a wide range of commercial applications.

In response, Zhang Huamin, who has been engaged in the study of all-vanadium flow battery for a long time, said that it is imperative that the cost of flow battery energy storage system should be drastically reduced through technological progress. "In addition, the application of energy storage system in various fields of profitability needs to be further improved.All-vanadium flow battery technology has been basically mature, technical difficulties have been broken, as the development of mobile phones, in the industrialization process, the technology will be Rapid development, the cost will drop significantly. "

All-vanadium flow battery energy storage technology has the advantages of long service life, large scale, safe and reliable.

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