Title:
SECONDARY BATTERY AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/053666
Kind Code:
A1
Abstract:
The present invention achieves a reduction in the size of a battery pack. Provided is a secondary battery comprising: an exterior can; an outer terminal insulated from the exterior can; a battery element which is accommodated in the exterior can and has a first electrode and a second electrode; a first lid body having a first protrusion section protruding toward the inside of the exterior can; and a second lid body disposed to be electrically insulated from the first lid body, wherein the first protrusion section of the first lid body has an opening, the second lid body has a second protrusion section that is electrically insulated from the first protrusion section and passes through the opening toward the inside of the exterior can, a circuit board is connected between the outer terminal and the second lid body, the outer terminal, the second lid body, and the second electrode are electrically connected, and the first lid body and the first electrode are electrically connected.
Inventors:
YAMAMOTO MIKIO (JP)
SENNAMI HIROMITSU (JP)
SENNAMI HIROMITSU (JP)
Application Number:
PCT/JP2022/027433
Publication Date:
April 06, 2023
Filing Date:
July 12, 2022
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M50/109; H01M50/153; H01M50/164; H01M50/202; H01M50/284; H01M50/342; H01M50/531; H01M50/545; H01M50/55; H01M50/586; H01M50/588; H01M50/593
Foreign References:
| JP2007305323A | 2007-11-22 | |||
| JP2002525806A | 2002-08-13 | |||
| JP2008218193A | 2008-09-18 | |||
| JPH10275612A | 1998-10-13 | |||
| JP2011505665A | 2011-02-24 |
Attorney, Agent or Firm:
SUGIURA PATENT OFFICE et al. (JP)
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