As is known to all, energy storage is the smart grid and renewable energy access, distributed generation, the micro indispensable support network development, China's wind power, solar power and other new energy power generation technology has led the world, but in areas such as wind power, photovoltaic power generation, large capacity because of a lack of the support chemistry energy storage battery, the application of energy storage technology, such as constrained In recent years, in the policy of encouraging and production, from all walks of life, with the help of all kinds of battery energy storage technology constantly breakthroughs, formed a variety of battery energy storage technology, the common development of the gratifying situation, the energy storage technology is likely to be in power auxiliary service market of the future implementation of explosive growth.