Energy is an important material basis for human survival and development, per capita consumption of energy, the
composition of energy, usage of energy is often used as a measure of the degree of modernization of a country. With the
development of society and industry, the worldwide energy crisis has become urgent, the relationship between human life and
death big problem.. Experts estimate that, if you do not change the current energy consumption structure and speed, not the
development of new energy, after 200 to 300 years ago, all the energy in the world will be depleted. Thus, effective energy
conservation has become one of the core research of global energy issues