Chemical batteries by means of electro-chemical reaction, chemical energy to positive and negative active material, class of devices into electrical energy. After a long period of research and development, chemical batteries ushered in a variety of widely used. As large as a building to accommodate the huge device, small enough in millimeters. Better life for all our services. The development of modern electronic technology, very high demands on chemical batteries. Every chemical breakthrough in battery technology, brought the revolutionary development of electronic equipment. People in modern society, in everyday life, increasingly depends on chemical batteries. Many electrochemical scientist in the world now, concentrated his interest in chemistry as electric vehicle batteries.