锂离子电池富锂锰基正极材料专利技术分析

Report on patenting activity of Li-rich layered oxide cathodes for lithium-ion batteries

利用德温特(DII)专利数据库和宁波市知识产权服务平台专利数据库,通过对富锂锰基正极材料技术领域的专利进行分析,揭示该技术领域当前的专利活动特点,为我国在该领域的科技创新和产业化提供参考。本文从全球富锂锰基正极材料技术研发背景的调研入手,从国际专利申请数量年度分布、专利技术生命周期、技术研发布局、主要竞争国家/地区、主要专利申请人等方面,分析了全球富锂锰基正极材料技术的整体专利态势;在此基础上,对世界范围内的重要申请人以及在华重要申请人的专利布局和技术路线进行了重点深入分析。基于上述分析结果,最后就我国未来的富锂锰基正极材料的技术研发和专利申请与保护工作提出了一些建议。

Based on the Derwent Innovations Index database（DII） and Ningbo intellectual property service platform Index database, this report analyzes the background, the annual distribution of applied patents, the life cycles of patents, technical research, main competitive countries and patent applicants, etc.; Relied on this analysis, this report gives an analysis for the arrangement of foreign and domestic applicants and the technical route. Based on these, the report puts forward some suggestions for Science Technology innovation and provide an objective prospective for industrial developments about Li-rich layered oxide cathodes.