Title:
ELECTRICAL STORAGE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/256462
Kind Code:
A1
Abstract:
An embodiment of the present invention provides an electrical storage element characterized by comprising an electrode body, a case containing the electrode body, and a metal external terminal disposed on the case, wherein: the external terminal includes a flange portion extending along an outer surface of the case, and a shaft portion extending from the flange portion and through the case and having electrical continuity with the electrode body; the flange portion comprises a cladding material having a plurality of metal layers stacked in the through direction of the shaft portion; those of the plurality of metal layers that are adjacent to each other comprise different types of metal; and, of the plurality of metal layers of the flange portion, the metal layer on one end in the through direction comprises the same type of metal as that of the shaft portion and is welded to the shaft portion.
Inventors:
NAKAMURA JUN (JP)
KAWAI AKIO (JP)
TOGASHI HIDEYO (JP)
NAKATANI MITSUHIRO (JP)
TAKADA TOSHIHIRO (JP)
INUKAI HIROSHI (JP)
ONIZUKA HIROSHI (JP)
HAMAGUCHI NAOYA (JP)
KAWAI AKIO (JP)
TOGASHI HIDEYO (JP)
NAKATANI MITSUHIRO (JP)
TAKADA TOSHIHIRO (JP)
INUKAI HIROSHI (JP)
ONIZUKA HIROSHI (JP)
HAMAGUCHI NAOYA (JP)
Application Number:
PCT/JP2021/022668
Publication Date:
December 23, 2021
Filing Date:
June 15, 2021
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
H01G11/74; H01M50/543
Domestic Patent References:
| WO2015059826A1 | 2015-04-30 | |||
| WO2012165567A1 | 2012-12-06 |
Foreign References:
| JP2018081860A | 2018-05-24 | |||
| JP2016207510A | 2016-12-08 | |||
| JP2002324541A | 2002-11-08 | |||
| JP2021077517A | 2021-05-20 | |||
| JP2009259524A | 2009-11-05 |
Attorney, Agent or Firm:
FUJIMOTO & PARTNERS (JP)
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