Title:
ELECTRICITY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/235408
Kind Code:
A1
Abstract:
Provided is an electricity storage device which is not susceptible to deterioration in the electricity storage characteristics. With respect to an electricity storage device 1 according to the present invention, a first insulating bonding layer 15a comprises a first portion 15a1 that covers the periphery of a first active material layer 11b and a second portion 15a2 that covers the periphery of a first electrolyte layer 13a. The second portion 15a2 is bonded to a second insulating bonding layer 15b. The second insulating bonding layer 15b comprises a third portion 15b1 that covers the periphery of a second active material layer 12b and a fourth portion 15b2 that covers the periphery of a second electrolyte layer 13b. The fourth portion 15b2 is bonded to the second portion 15a2. The content of an inorganic filler in the second portion 15a2 is lower than the content of the inorganic filler in the first portion 15a1. The content of the inorganic filler in the fourth portion 15b2 is lower than the content of the inorganic filler in the third portion 15b1.
Inventors:
FUKUDA YASUTAKE (JP)
UEDA YASUHIKO (JP)
KOUZU MASAYUKI (JP)
AOKI NORIHISA (JP)
UEDA YASUHIKO (JP)
KOUZU MASAYUKI (JP)
AOKI NORIHISA (JP)
Application Number:
PCT/JP2018/015494
Publication Date:
December 27, 2018
Filing Date:
April 13, 2018
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01G11/12; H01G4/30; H01G11/80; H01M10/04; H01M10/0566; H01M10/0585
Domestic Patent References:
| WO2016147466A1 | 2016-09-22 | |||
| WO2016121416A1 | 2016-08-04 |
Foreign References:
| JP2013138107A | 2013-07-11 |
Attorney, Agent or Firm:
NAKAYAMA, Kazutoshi (JP)
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