SEPARATOR FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR MANUFACTURE THEREOF, AND LITHIUM ION SECONDARY BATTERY

• Main Authors: NAKAMURA TATSUO, KONDO YUKA, YAMAZAKI HIROAKI, OHNISHI HIROSHI, TANAKA MASANAO, CHO TE HYON, MIYATA YOSHIKAZU
• Format: Patent
• Language: English; French; German
• Published: 01.07.2015
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

Disclosed are a separator for lithium ion secondary batteries, having an inorganic layer formed from inorganic particles, characterized in that the inorganic particles have a particle diameter distribution in which the 50% cumulative particle diameter D 50 is in the range of 100 nm to 500 nm, the 10...