China Energy Storage News: Recently, the 60000 kW/600000 kWh liquid air energy storage demonstration project in Qinghai Province invested and constructed by China Green Development Investment Group Co., Ltd. was officially started in Golmud City. After the project is completed, it will become the world's largest demonstration project in the field of liquid air energy storage, with the highest power generation and the largest energy storage scale.
With the acceleration of the "dual carbon" process and the deepening of energy transformation, clean energy power generation has gradually become the main body of installed capacity and electricity, ushering in unprecedented development opportunities for China's energy industry. To further address the vulnerability of new energy power generation to climate and unstable output, China Green Development Investment Group Co., Ltd. focuses on the "dual carbon" goal and vigorously promotes the research and application of deep low-temperature cascade cooling storage technology.
The energy storage power of this project is 60000 kilowatts, with an energy storage capacity of 600000 kilowatt hours. The dynamic investment is 1.568 billion yuan, and the energy storage investment is 645 million yuan. It is expected to be completed in 2024. This is also the "unveiling and commanding" liquid air energy storage demonstration project in Qinghai Province. After completion, it will become the world's largest demonstration project in the field of liquid air energy storage with the highest power generation and the largest energy storage scale.
The project adopts a new generation of Compressed-air energy storage. Based on low-temperature air liquefaction and cold storage technology, the electric energy is stored in the form of liquefied air with normal pressure, low temperature and high density, which solves the problems of air storage and constant pressure release. It has the advantages of large-scale long-term energy storage, clean low-carbon, safe, long life and not limited by geographical conditions. The project uses national production and chemical equipment.
According to the introduction of the Institute of Physical and Chemical Technology of the Chinese Academy of Sciences and Dr. Xiao Nan, the project is jointly built by China Green Hair and the Institute of Physical and Chemical Technology of the Chinese Academy of Sciences, and adopts the deep cryogenic cascade cooling storage technology with independent intellectual property rights. This technology has been developed by three generations of low-temperature scientists of the Chinese Academy of Sciences for decades. It has conquered and mastered core key technologies in the field of liquid air Energy storage, and has more than 100 invention patents.
The successful commencement of construction of the project has further accelerated the development layout of Qinghai's energy storage industry, which can play an important role in supporting power supply and can be widely and flexibly applied to the grid side and user side of renewable energy, opening up a new direction for the future development of the energy storage industry.
Source: China Chemical Daily
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