摘要
锂硫电池是一种以硫作正极,锂作负极的锂电池,具有原材料储量丰富、成本低和环保等特点,已经成为燃料电池领域的新兴技术的研究热点和发展方向。以全球锂硫电池技术专利作为研究对象,利用专利数据挖掘和主题聚类的方法,分析了全球该技术的专利申请总体发展态势、地域分布、专利技术构成与功效、申请人技术构成与主题聚类,以及主要机构的技术布局,采用可视化方法展示出当前该技术领域的研究热点和技术发展趋势。提出了加快技术研发与创新,紧跟国家政策引导,加强机构间的技术合作,完善专利技术布局和知识产权保护战略等建议。
A lithium-sulfur battery is a kind of lithium battery with sulfur as the positive electrode and lithium as the negative electrode.It has become a research hotspot and the development direction of the emerging technology in the field of fuel cells,with the characteristics of abundant raw material reserves,low cost,and environmental protection.This paper takes global lithium-sulfur battery technology patents as the research object and uses patent data mining and topic clustering methods to analyze the overall development trend of global patent applications for this technology,geographical distribution,patent technology composition and efficacy,applicant technology composition and topic clustering,as well as the technology layout of major institutions,and uses visualization methods to show the current research hotspots and technological development trends in this field of technology.There were suggestions made to accelerate technology development and innovation,follow national policy guidance,strengthen technical cooperation among institutions,and improve patent technology layout and intellectual property protection strategies.
作者
孙玉琦
魏凤
周洪
周超峰
SUN Yuqi;WEI Feng;ZHOU Hong;ZHOU Chaofeng(Wuhan Library,Chinese Academy of Sciences,Wuhan 430071,Hubei,China;Department of Library,Information and Archives Management,School of Economic and Management,University of Chinese Academy of Sciences,Beijing 100190,China;Hubei Key Laboratory of Big Data in Science and Technology,Wuhan 430071,Hubei,China)
出处
《储能科学与技术》
CAS
CSCD
北大核心
2022年第5期1657-1666,共10页
Energy Storage Science and Technology
关键词
锂硫电池
专利数据挖掘
主题聚类
技术布局
lithium-sulfur battery
patent data mining
topic clustering
technology layout
