Title:
BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/189330
Kind Code:
A1
Abstract:
Provided is a battery with which the generation of pressure marks on a battery element from a printed layer can be suppressed while increasing the energy density per volume of the battery. This battery comprises a battery element, an outer covering material enclosing the battery element, and a printed layer provided in a state of being exposed on the surface of the outer covering material. The outer covering material has a surface protective layer, a barrier layer, and an adhesive layer. The printed layer is provided on the surface of the surface protective layer. The thickness of at least the portion of the outer covering material where the printed layer is provided is 60-100 μm. The printed layer includes a UV curable resin, and the thickness from the surface protective layer is less than the thickness of the surface protective layer, and is 5.1 μm or greater.
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Inventors:
WAKI IPPEI (JP)
ASANUMA TAKEO (JP)
ASANUMA TAKEO (JP)
Application Number:
PCT/JP2023/008892
Publication Date:
October 05, 2023
Filing Date:
March 08, 2023
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M50/133; H01M50/119; H01M50/121; H01M50/129
Foreign References:
| JP2020053398A | 2020-04-02 | |||
| JP2012004020A | 2012-01-05 | |||
| JP2016173931A | 2016-09-29 | |||
| CN210628426U | 2020-05-26 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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