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| 锂离子正极材料重点技术专利分析 |
| Analysis of Key Technology Patents for Lithium Ion Cathode Materials |
| 投稿时间：2018-04-21 修订日期：2018-07-24 |
| DOI：10.12119/j.yhyj.201904014 |
| 中文关键词: 锂离子 正极材料 专利实力 专利分析 |
| 英文关键词:Lithiumion Cathode material Patent strength Patent analysis |
| 基金项目:青海省科技成果转化专项(2016-GX-113) |
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| 中文摘要: |
| 正极材料是制造锂离子电池的关键材料之一,占据电池成本的25%以上,在锂离子电池中占据核心地位。该文对锂离子正极材料进行专利信息的挖掘和数据分析,通过专利申请趋势、布局、企业专利实力对锂离子正极材料的技术专利展开分析,总结了锂离子正极材料技术的发展、企业专利实力与保护情况。同时对主要用于动力型锂离子电池中的锰酸锂正极材料进行了申请态势、竞争格局、实力排查以及技术主题和技术功效的分析,可为相关研发人员及企业开发外围专利或改进专利提供思路。 |
| 英文摘要: |
| Cathode material is one of the key materials for manufacturing lithiumion batteries.It occupies more than 25% of the battery cost.Its performance directly affects the performance of the battery.It occupies a core position in the lithiumion battery and is also an important factor affecting battery performance and price.At present, the cathode materials for lithium ion batteries that have been industrialized mainly include lithium cobaltate, lithium manganate, lithium nickelate, nickel-cobalt-manganese-manganese trihydride, and lithium iron phosphate.This paper analyzes the cathode material of LiMn2O4 battery as the object of analysis.At the same time, it makes a detailed analysis of the trend and layout of the patent application of lithium ion battery cathode materials and the development of the technology. |
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