储能科学与技术 ›› 2020, Vol. 9 ›› Issue (3): 1001-1007.doi: 10.19799/j.cnki.2095-4239.2019.0244

• 储能专利 • 上一篇    

基于专利的无机固态锂电池电解质技术发展研究

周洪1,2(), 魏凤1,2, 吴永庆3   

  1. 1. 中国科学院武汉文献情报中心,湖北 武汉 430071
    2. 科技大数据湖北省重点实验室,湖北 ;武汉 430071
    3. 中国科学院上海硅酸盐研究所,上海 201899
  • 收稿日期:2019-10-31 修回日期:2019-12-05 出版日期:2020-05-05 发布日期:2019-12-12
  • 作者简介:周洪(1987—),男,助理研究员,研究方向为标准和专利分析、计算情报研究,E-mail:zhouh@mail.whlib.ac.cn
  • 基金资助:
    中国科学院文献情报中心青年人才领域前沿个人项目(019QNGR001);中国科学院武汉文献情报中心一三五择优项目—“面向研究所需求的知识产权分析解决方案(Y8KZ391006)

Research on the development of inorganic solid-state electrolyte for lithium battery based on patent analysis

ZHOU Hong1,2(), WEI Feng1,2, WU Yongqing3   

  1. 1. Wuhan Library and Intelligence Centre of Chinese Academy of Science, Wuhan 430071, Hubei, China
    2. Hubei Key Laboratory of Science and Technology Big Data, Wuhan 430071, Hubei, China
    3. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
  • Received:2019-10-31 Revised:2019-12-05 Online:2020-05-05 Published:2019-12-12

摘要:

商业化的锂电池大多采用液态电解质作为电解质体系,存在电化学和热稳定性不足、安全性差等问题。无机固态电解质取代传统的液体电解质,可以解决传统锂电池的安全性问题,并具有高电化学稳定性、高机械强度等优点,是当前储能领域的研究热点。本文以全球无机固态电解质专利为研究对象,采用专利数据挖掘方法,梳理了主要机构技术布局、竞争优势、核心技术、最新技术发展趋势,提出了关注国家重大需求、加快关键技术研发、重视专利保护战略等建议。

关键词: 无机固态电解质, 硫化物电解质, 氧化物电解质, 专利分析, 文本挖掘

Abstract:

Commercial lithium-ion batteries mostly use liquid electrolytes as electrolyte systems, which have problems such as insufficient electrochemical stability, low thermal stability and poor safety. The inorganic solid-state electrolyte has been a research hotspot in the current energy storage field because of its advantages of high electrochemical stability, high mechanical strength and so on. In this paper, the global patents in the field of inorganic solid-state electrolyte are taken as the research objects. By using patent data mining method, the technical layout, competitive advantage and core technology of the main institutions, and the development trend of the latest technology of sulfide electrolyte and oxide electrolyte are analyzed. Finally, suggestions were put forward to pay attention to the major needs of the country, accelerate the research and development of key technologies, and attach importance to the patent protection strategy.

Key words: inorganic solid-state electrolyte, sulfide electrolyte, oxide electrolyte, patent analysis

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