In order to reduce greenhouse gas emissions and solve the energy problem, the South Korean government has formulated a sustainable development strategy, increasing policy support and capital investment, focusing on supporting the energy storage system (ESS) industry. At present, the production capacity and market scale of Korean ESS equipment are growing, and Korean enterprises occupy a pivotal position in the global market. In the field of electrochemical energy storage systems, the research on lithium-ion batteries is mainly focused on ideal nanostructures and nanomaterials with large specific surface area; the cycle life of sodium-ion batteries developed by Korean enterprises is as long as 15 years, which is 3 times higher than that of traditional batteries, and the research on redox flow batteries and supercapacitors is still in its infancy.
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