进入21世纪以来,能源问题愈发成为人类社会的核心矛盾。化石能源的应用导致全球气候变暖、空气污染等一系列亟待解决问题的产生,且其本身的储量也已经面临枯竭;水能、风能、潮汐能、地热能、太阳能、生物质能等等则因为地理环境限制、资源分布不均或数量不足而无法大规模利用;而曾经让人们看到希 Since entering the 21st century, the energy issue has become the core contradiction of human society. The application of fossil fuels has led to a series of urgent problems such as global warming and air pollution, and their own reserves have also been depleted; hydropower, wind energy, tidal energy, geothermal energy, solar energy, biomass energy, etc. Because of geographical constraints, uneven distribution of resources or the number of inadequate and can not be used on a large scale; and let people see hope