在可再生能源和氢能快速发展的背景下，对二氧化碳甲烷化技术在现代能源体系中可能的应用场景有了新的认识。结合实际分析了能够结合二氧化碳甲烷化技术的4种氢源获取方式和二氧化碳源获取方式，并总结出4种新的应用场景，提出二氧化碳甲烷化技术在联通电网和天然气网、可再生能源储能、核电和谷电储能、富碳天然气资源开发、工业尾气处理等方面的应用技术及发展潜力。

Under the background of rapid development of renewable energy and hydrogen-based energy,the possible new application scenarios of carbon dioxide methanation technology in modern energy system are given.On the basis of actual conditions,four possible ways to obtain hydrogen and two possible ways to obtain carbon dioxide sources that can combine with methanation technology are analyzed,and four new application scenarios are summarized.The potential application of carbon dioxide methanation technology is proposed in connecting power grid and natural gas network,renewable energy storage,nuclear power and valley power storage,exploitation of carbon rich natural gas resource,treatment of industrial tail gas,etc.