锂离子电池隔膜材料典型企业专利申请分析

Patent application of separators for lithium-ion batteries of typical enterprises

对六家典型的锂离子电池隔膜材料企业的专利申请进行了分析,研究了各企业在隔膜方面的专利申请数量以及专利申请趋势,并以日本旭化成和美国Celgard为重点研究对象,通过对其掌握的主要专利进行分析,研究了其在锂离子电池隔膜材料专利方面的技术构成和技术分布特点,为国内隔膜企业的研发、生产、专利布局提供借鉴和启示。

Patent application of separators for lithium-ion batteries of six typical enterprises was analyzed. The patent application amount and trend were studied. Asahi Kasei and United States Celgard were taken as major applicant, the characteristics of their technology composition and distribution on separators were point out as references for domestic enterprises in research, production and patent layout.