Title:
POWER STORAGE ELEMENT AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2018/061808
Kind Code:
A1
Abstract:
[Problem] To provide a power storage element with which it is possible to reduce the current in a short-circuit section when used in an abnormal condition, such as when pierced by a nail or other foreign object, and a method for manufacturing such a power storage element. [Solution] One embodiment of the present invention is a power storage element having an electrode body in which a positive electrode, a heat-resistant layer, a separator, and a negative electrode are laminated in the stated order, the peel strength between the positive electrode and the heat-resistant layer being greater than the peel strength between the heat-resistant layer and the separator, and the peel strength between the heat-resistant layer and the separator being greater than the peel strength between the separator and the negative electrode. Another embodiment of the present invention is a method for manufacturing the power storage element, the method including: obtaining a laminate body in which a positive electrode, a heat-resistant layer, a separator, and a negative electrode are laminated in the stated order; and thermally crimping the laminate body in the lamination direction to thereby affix the positive electrode and the heat-resistant layer more securely than the heat-resistant layer and the separator, and more securely than the separator and the negative electrode.
Inventors:
SHIBATA SHINSUKE (JP)
Application Number:
PCT/JP2017/033347
Publication Date:
April 05, 2018
Filing Date:
September 14, 2017
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01M10/0585; H01G11/06; H01G11/16; H01G11/52; H01M4/13; H01M10/04; H01M50/443; H01M50/489
Domestic Patent References:
| WO2001095421A1 | 2001-12-13 | |||
| WO2005098997A1 | 2005-10-20 | |||
| WO2005011043A1 | 2005-02-03 | |||
| WO2013051079A1 | 2013-04-11 | |||
| WO2012124093A1 | 2012-09-20 |
Foreign References:
| JP2007012598A | 2007-01-18 | |||
| JP2007027100A | 2007-02-01 | |||
| JP2007242575A | 2007-09-20 | |||
| JP2011023186A | 2011-02-03 | |||
| JP2011054503A | 2011-03-17 |
Other References:
See also references of EP 3522289A4
Download PDF:
Previous Patent: NOZZLE AND DISPENSING CONTAINER
Next Patent: TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEPTION DEVICE, AND RECEPTION METHOD
Next Patent: TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEPTION DEVICE, AND RECEPTION METHOD