专利视域下全球锂硫电池技术竞争态势分析

doi:10.19799/j.cnki.2095-4239.2021.0468

储能科学与技术 ›› 2022, Vol. 11 ›› Issue (5): 1657-1666.doi: 10.19799/j.cnki.2095-4239.2021.0468

专利视域下全球锂硫电池技术竞争态势分析

孙玉琦¹^,²^,³(), 魏凤¹^,²^,³(), 周洪¹^,²^,³, 周超峰¹^,²^,³

^1.中国科学院武汉文献情报中心，湖北武汉 430071
^2.中国科学院大学经济与管理学院图书情报与档案管理系，北京 100190
^3.科技大数据湖北省重点实验室，湖北武汉 430071

收稿日期:2021-09-09 修回日期:2021-09-30 出版日期:2022-05-05 发布日期:2022-05-07
通讯作者: 魏凤 E-mail:sunyq@mail.whlib.ac.cn;weif@mail.whlib.ac.cn
作者简介:孙玉琦（1990—），女，博士研究生。研究方向为专利情报与标准化信息，E-mail：sunyq@mail.whlib.ac.cn；

Analysis of global lithium-sulfur battery technology competition from the perspective of patent

Yuqi SUN¹^,²^,³(), Feng WEI¹^,²^,³(), Hong ZHOU¹^,²^,³, Chaofeng ZHOU¹^,²^,³

^1.Wuhan Library, Chinese Academy of Sciences, Wuhan 430071, Hubei, China
^2.Department of Library, Information and Archives Management, School of Economic and Management, University of Chinese Academy of Sciences, Beijing 100190, China
^3.Hubei Key Laboratory of Big Data in Science and Technology, Wuhan 430071, Hubei, China

Received:2021-09-09 Revised:2021-09-30 Online:2022-05-05 Published:2022-05-07
Contact: Feng WEI E-mail:sunyq@mail.whlib.ac.cn;weif@mail.whlib.ac.cn

摘要/Abstract

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。

关键词: 锂硫电池, 专利数据挖掘, 主题聚类, 技术布局

Abstract:

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.

Key words: lithium-sulfur battery, patent data mining, topic clustering, technology layout

中图分类号:

TM 912

孙玉琦, 魏凤, 周洪, 周超峰. 专利视域下全球锂硫电池技术竞争态势分析[J]. 储能科学与技术, 2022, 11(5): 1657-1666.

Yuqi SUN, Feng WEI, Hong ZHOU, Chaofeng ZHOU. Analysis of global lithium-sulfur battery technology competition from the perspective of patent[J]. Energy Storage Science and Technology, 2022, 11(5): 1657-1666.

图/表 8

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技术分类	IPC分类号	技术领域	专利数量/件
电池	H01M10/052	锂蓄电池	3531
	H01M10/058	锂蓄电池的构造或制造	497
	H01M10/42	使用或维护二次电池或二次半电池的方法及装置	454
	H01M10/05	非水电解质蓄电池	383
电极	H01M4/62	活性物质中非活性材料成分的选择，例如胶合剂、填料	2614
	H01M4/38	基于金属元素或合金的电极	2412
	H01M4/36	电极中活性物质、活性体、活性液体的材料的选择	2157
	H01M4/58	除氧化物或氢氧化物以外的无机化合物的活性物质选择，如硫化物等	1347
	H01M4/13	非水电解质蓄电池的电极	947
	H01M4/04	电极的一般制造方法	866
	H01M4/136	基于除氧化物或氢氧化物以外的无机化合物的电极	771
	H01M4/134	基于金属、硅或合金的电极	669
	H01M4/02	由活性材料组成或包括活性材料的电极	631
	H01M4/139	非水电解质蓄电池的电极的制造方法	585
	H01M4/66	载体或集电器材料的选择	556
	H01M4/587	用于插入或嵌入轻金属的碳质材料	500
	H01M4/583	碳质材料	475
	H01M4/60	有机化合物的电极	450
	H01M4/133	基于碳材料的电极，如石墨层间化合物或CFx	377
隔膜	H01M2/16	按材料区分的隔板、薄膜等	1018
隔膜	H01M2/14	隔板、薄膜、膜片、间隔元件	417
电解质	H01M10/0569	以溶剂为特征的电解质	716
	H01M10/0567	以添加剂为特征的电解质	685
	H01M10/0568	以溶质为特征的电解质	598
	H01M10/0565	高分子材料构成的电解质的凝胶型或固体型材料	521
	H01M10/0562	无机材料构成的电解质的固体材料	400
纳米结构	B82Y30/00	用于材料和表面科学的纳米技术，例如：纳米复合材料	449

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专利视域下全球锂硫电池技术竞争态势分析

Analysis of global lithium-sulfur battery technology competition from the perspective of patent

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