Along with the speedy economic development of the world, the problems of energy and environment turn sharper and sharper. Estimation says that if not going along the road of sustainable development, the petroleum will be exhausted within 30 to 50 years...

Green energy became a hotspot for all world countries, especially for the research and development of it in developed countries. China started the relevant research during the seventh five-year plan. The new high-energy nickel-hydrogen cells are developed recently. Without pollution, high-energy, big power and long span, it is the first choice for the second dynamic power source of the present electric vehicles...

Experts estimate that before 2005, nickel-hydrogen cells will occupy 2/3 of the vehicle dynamic battery market. Being "green energy" nickel-hydrogen cells has a wide developing future and will use in various aspects.