Title:
HEAT-SENSITIVE LAYER FOR LITHIUM ION SECONDARY BATTERIES
Document Type and Number:
WIPO Patent Application WO/2017/115647
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a heat-sensitive layer for lithium ion secondary batteries, which is capable of efficiently inhibiting a temperature increase in case of abnormal overheating by increasing the resistance within a battery, thereby reducing the current. A heat-sensitive layer for lithium ion secondary batteries according to the present invention is formed from a heat-sensitive layer composition that contains particles, in each of which a second component is substantially partially positioned outside a particle that is formed from a first component. The storage elastic modulus of the heat-sensitive layer composition at 60°C is 10 kPa or more; and the storage elastic modulus of the heat-sensitive layer composition at 150°C is 1 kPa or less.
Inventors:
OGURO HIROKI (JP)
MAEDA KOUICHIROU (JP)
TAKAHASHI NAOKI (JP)
MAEDA KOUICHIROU (JP)
TAKAHASHI NAOKI (JP)
Application Number:
PCT/JP2016/087117
Publication Date:
July 06, 2017
Filing Date:
December 13, 2016
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
H01M50/449; B32B7/02; H01M50/417; H01M50/42; H01M50/443
Domestic Patent References:
| WO2015133424A1 | 2015-09-11 |
Foreign References:
| JP2016024866A | 2016-02-08 | |||
| JP2013218982A | 2013-10-24 | |||
| JP2000190649A | 2000-07-11 |
Other References:
See also references of EP 3399572A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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