Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/062916
Kind Code:
A1
Abstract:
Provided is a secondary battery having a higher safety. This secondary battery comprises: a battery element formed by winding a laminated body including a first electrode and a second electrode about a winding axis extending in a first direction; an exterior member having a through hole that penetrates in the first direction and housing the battery element; and an external terminal attached to the exterior member via an insulating member at a position overlapping with the through hole of the exterior member in the first direction. The external terminal has a curved shape including a recessed surface or a protruded surface facing the battery element.
Inventors:
HONDA KENTA (JP)
Application Number:
PCT/JP2023/032395
Publication Date:
March 28, 2024
Filing Date:
September 05, 2023
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M50/559; H01M10/04; H01M10/0587; H01M50/107; H01M50/152; H01M50/562; H01M50/588; H01M50/593
Domestic Patent References:
| WO2021229846A1 | 2021-11-18 | |||
| WO2022085682A1 | 2022-04-28 | |||
| WO2020149350A1 | 2020-07-23 |
Foreign References:
| JP2021077517A | 2021-05-20 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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