Patent analysis of fire-protection technology of lithium-ion energy storage system

doi:10.19799/j.cnki.2095-4239.2022.0253

Abstract

Abstract:

Lithium-ion battery energy storage technology is developing rapidly. This development will adjust the Chinese energy consumption structure and increase their renewable energy. Energy storage fire-protection technology is the safety guarantee of electrochemical energy storage technology. To understand the research and development status of energy storage fire-protection technology, the patent data in the field of energy storage fire protection published by the China National Intellectual Property Administration was the object of analysis. This paper explores the domestic development of energy storage fire-protection technology using fire extinguishing agents (A62D), fire-protection devices for energy storage (A62C), and fire-protection strategy and logic method for energy storage (G06K) as the main content. It was analyzed from four aspects: patent year distribution, patent technology distribution, patent region analysis, and main applicants. The results show that the energy storage fire-protection technology and its application follow a rapid growth trend, in which the patent application of the fire-protection devices takes up a large proportion, the research and development of special fire extinguishing agents increases rapidly, and the design of fire-protection strategies and logic methods evolves.Universities and public institutions are the major applicants in northern China; whereas, commercial companies are the major applicants in southern China, which is related to the commercial application level of electrochemical energy storage. The fire-protection technology of energy storage systems still needs to be explored by major research and development units. It can be predicted that the number of fire-protection technology patents for energy storage systems will continue to evolve, and the combination of relevant policies and markets will stimulate the vitality of research and development of the technology.

Key words: electrochemical energy storage, patent, lithium-ion battery, fire protection technology

CLC Number:

X 921

Zhicheng CAO, Kaiyun ZHOU, Jiali ZHU, Gaoming LIU, Min YAN, Shun TANG, Yuancheng CAO, Shijie CHENG, Weixin ZHANG. Patent analysis of fire-protection technology of lithium-ion energy storage system[J]. Energy Storage Science and Technology, 2022, 11(8): 2664-2670.

Figures/Tables 8

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省份	政策及文件	装机规模
浙江	《关于组织申报“十四五”新型储能示范项目的通知》	1212 MW
内蒙古	《内蒙古自治区“十四五”能源技术创新发展规划》	探索5000 MW级电化学储能技术应用
青海	《青海省“十四五”能源发展规划》	到2025年建成电化学等新型储能600 0MW
湖南	《关于加快推动湖南省电化学储能发展的实施意见》	到2023年建成电化学储能电站1500 MW
安徽	《安徽省电力供应保障三年行动方案2022—2024》	1200 MW

序号	国家	储能项目	电池类型	时间
1	中国	山西太原某储能电站	三元锂电池	2017年3月
2	比利时	比利时某储能电站	三元锂电池	2017年11月
3	中国	江苏镇江某储能电站	磷酸铁锂电池	2018年9月
4	美国	亚利桑那APS储能电站	三元锂电池	2019年4月
5	中国	北京丰台用户侧储能电站	磷酸铁锂电池	2021年4月
6	澳大利亚	新南威尔士特斯拉储能电站	三元锂电池	2021年7月
7	韩国	27座储能电站	三元锂电池	2017—2021年

IPC分类号	消防技术领域	专利件数
A62D1	特殊灭火剂制备	26
A62C3/H01M10	消防装置设计开发	130
G06K9/G08B17/G08C19	消防机制设计开发	35

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