尊敬的各位专家、学者:能源是制约经济发展的重要因素,关系着一个国家的经济安全和国家安全。目前,煤、石油、天然气等不可再生的化石燃料在能源结构中居主导地位,不仅无法保证经济的可持续发展,而且对人类赖以生存的地球环境造成了巨大的破坏。因此,国内外对清洁能源的研究和应用越来越重视,涌现出了大量 Dear experts and scholars: Energy is an important factor restricting economic development and is related to the economic security and national security of a country. At present, non-renewable fossil fuels such as coal, petroleum and natural gas dominate the energy structure, not only failing to ensure the sustainable development of economy, but also greatly damaging the global environment on which mankind depends. Therefore, more and more attention has been paid to the research and application of clean energy at home and abroad, a great deal of them have emerged