Title:
ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/181667
Kind Code:
A1
Abstract:
This all-solid-state lithium ion secondary battery is provided with: a laminate that is obtained by laminating a plurality of electrode layers, in each of which a collector layer and an active material layer are laminated, with a solid electrolyte layer being interposed therebetween; and a terminal electrode that is formed to be in contact with a lateral surface of the laminate, where end faces of the electrode layers are exposed. The terminal electrode contains Cu; and a Cu-containing region is formed in a grain boundary that is present in the vicinity of the terminal electrode among grain boundaries of grains that constitute the active material layer and the solid electrolyte layer.
Inventors:
SATO HIROSHI (JP)
TAKEUCHI KEIKO (JP)
MUROI MASAYUKI (JP)
MASUKO TAISUKE (JP)
OYAKE HISAJI (JP)
YANO TOMOHIRO (JP)
TAKEUCHI KEIKO (JP)
MUROI MASAYUKI (JP)
MASUKO TAISUKE (JP)
OYAKE HISAJI (JP)
YANO TOMOHIRO (JP)
Application Number:
PCT/JP2018/013125
Publication Date:
October 04, 2018
Filing Date:
March 29, 2018
Export Citation:
Assignee:
TDK CORP (JP)
International Classes:
H01M10/0585; H01M4/136; H01M4/58; H01M10/052; H01M10/0562; H01M50/548; H01M50/553; H01M50/562
Domestic Patent References:
| WO2007135790A1 | 2007-11-29 |
Foreign References:
| JP2016207540A | 2016-12-08 | |||
| JP2016001600A | 2016-01-07 | |||
| JP2015220110A | 2015-12-07 | |||
| JP2006261008A | 2006-09-28 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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