电动汽车代表着汽车产业的发展方向,对全球电动汽车产业专利进行计量分析,将对我国电动汽车产业的发展具有重要意义。分析结果显示,全球电动汽车专利技术高产机构主要集中在日本;热点技术领域主要集中在电力牵引、混合驱动汽车、牵引用蓄电池、混合电能、混合动力汽车、引电机转速控制等技术领域。中国电动汽车产业发展的面对着重大的机遇与挑战。
Electronic vehicle represents the development direction of vehicle industry.It will be of great significant to Chinese vehicle industry to patentometric on global electronic vehicle industry.The results shows that the prolific institutions are mainly in Japan;and the hot technology domains are electric propulsion,hybrid vehicle,traction battery,hybrid-electric,general vehicle types hybrid,traction motor speed control etc.Chinese electric vehicle industry faces great opportunities and challenges.