锂离子电池用石墨烯基正极材料的专利进展

Patent progress in graphene-based cathode materials for Li-ion battery

基于专利大数据研究锂离子电池用石墨烯基正极材料的发展特点和应用情况。中国、美国和韩国是目前主要的专利来源国;中国是专利布局最主要的目标市场;LG化学、纳米技术仪器公司和株式会社半导体能源研究所是主要的国外申请人。国际电池供应商和国内汽车制造商纷纷进行专利布局,国内科研机构通过专利转让等形式进行技术成果转移转化。

Based on patent big data,the development characteristics and application conditions of graphene-based cathode materials for Li-ion battery were studied.The main patent sources were China,the United States and South Korea.China was the most important target market for patent layout.LG Chem,Nanotechnology Instruments and the Semiconductor Energy Research Institute were the main foreign applicants.At present,patent layouts were made by the international battery suppliers and domestic automobile manufacturers.Technological achievements were transformed by domestic scientific research institutions in the form of patent transfer.