The Ministry of Science and Technology of China issued a draft for the 2022 application guidelines for the key project of "Energy Storage and Smart Grid Technology"

The application guidelines are intended to focus on 7 directions and 26 guidance tasks: medium-duration and long-duration energy storage technology, short-duration and high-frequency energy storage technology, ultra-long-duration energy storage technology, active grid-support technology from high-penetration renewable energy, safe and efficient operation technology for ultra-large-scale AC-DC hybrid power grid, supply-demand interaction and energy efficiency enhancement technology for diversified energy consumers, fundamental grid-support technology. It involves nine energy storage sub-tasks, including manganese-based energy storage lithium-ion batteries with low-cost and long-life, organic energy storage batteries, aqueous metal-ion energy storage batteries, 100 MWh-scale sodium-ion battery energy storage technology, high-power lithium-ion batteries, high-power dual-ion energy storage batteries, 100MW advanced compressed air energy storage technology, new generation flow redox batteries, molten salt heat storage technology with wide liquid range and high temperature.