电动汽车锂离子动力电池技术专利发展现状分析

Analysis of Technical Patent Development Status of Lithium-Ion Power Batteries for Electric Vehicles

动力电池既是发展电动汽车的核心,更是电力工业与汽车行业的关键结合点。本文从专利角度出发,对电动汽车锂离子动力电池的发展现状进行了分析。通过比较国内外在电动汽车锂离子动力电池领域专利申请的趋势、专利分布的情况、重点申请人的概况、典型申请人专利技术的状况,全面客观地反映了电动汽车锂离子动力电池的研究状况,为我国电动汽车锂离子动力电池的发展提供借鉴。

The power battery is the core for developing the electric vehicles and is the key combination point of the electric power industry and the automobile industry.The status of lithium-ion power batteries for electric vehicles technology development is analyzed from the perspective of the patent.By comparison of the trend in thefield of domestic and foreign patent application,patent’s distribution status,important applicant’s application,state of the art of the patent of the typical applicant,it reflects the research status of lithium-ion power batteries for electric vehicles technology comprehensively and objectively,and references are provided for the development of lithium-ion power batteries of electric vehicles in China.