聚变能作为一种潜在的替代能源，可以为将来提供清洁和无穷尽的能源供给，引起中国政府的高度重视。一项国家大科学工程“超导托卡马克HT-7U的建造”目前正在中国科学院合肥等离子体物理研究所实施。考虑到HT-7U将运行在高热负荷和近稳态的工作条件下，研究和选取面对等离子体候选材料就显得极为重要。中国科学院山西煤炭化学研究所和合肥等离子体物理研究所合作致力于HT-7U用炭基面对等离子体材料的研究和开发。本文主要介绍了聚变能的优点，有关聚变研究的一些基本概念如托卡马克，等离子体，面对等离子体材料，壁材料和等离子体间的相互作用行为等。给出了HT-7U用炭基面对等离子体材料的主要结果。相关的具体研究结果将在后续文章中给予报道。
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