Title:
電池用セパレータおよび電池
Document Type and Number:
Japanese Patent JP5650738
Kind Code:
B2
Abstract:
[Problems] Provided are a battery separator with which a battery with improved safety can be formed, and a battery including the separator. [Solving Means] The battery separator of the present invention includes a multilayer porous film including at least a resin porous film (I) and a heat-resistant porous layer (II) predominantly composed of heat-resistant fine particles. The battery separator shuts down at a temperature of 100 to 150°C and at a speed of 50 ©/min·cm 2 or higher. The battery of the present invention includes a positive electrode having an active material capable of intercalating and deintercalating Li ions, a negative electrode having an active material capable of intercalating and deintercalating Li ions, an organic electrolyte and the battery separator of the present invention.
Inventors:
片山 秀昭
松本 修明
松本 修明
Application Number:
JP2012523530A
Publication Date:
January 07, 2015
Filing Date:
March 07, 2011
Export Citation:
Assignee:
日立マクセル株式会社
International Classes:
H01M10/052; H01M50/417; H01M50/434; H01M50/449; H01M50/451; H01M50/489; H01M50/491; H01M50/437
Domestic Patent References:
| JP2010036355A | 2010-02-18 | |||
| JP2010277723A | 2010-12-09 | |||
| JP2011044419A | 2011-03-03 | |||
| JP2011008966A | 2011-01-13 | |||
| JP2007118588A | 2007-05-17 | |||
| JP2009199793A | 2009-09-03 | |||
| JP2011028947A | 2011-02-10 | |||
| JP2010036355A | 2010-02-18 | |||
| JP2010277723A | 2010-12-09 | |||
| JP2011044419A | 2011-03-03 |
Foreign References:
| WO2009028734A1 | 2009-03-05 | |||
| WO2010052786A1 | 2010-05-14 | |||
| WO2009028734A1 | 2009-03-05 |
Attorney, Agent or Firm:
Tetsuo Miwa
Miwa Hideki
Miwa Hideki
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