Prediction on pure electric vehicle technology maturity in China based on TRIZ theory

The technology maturity prediction of electric vehicles plays an important role in the development of electric vehicles. Based on the TRIZ theory, combining Altshuller S curve model, this paper has an analysis of data about pure electric vehicle patent in China from 2006 to 2009. It is concluded that pure electric car in China is at the stage of growth period. According to the results of this study, it puts forward some relevant suggestions for the auto companies and the government.