Title:
OUTER PACKAGE MATERIAL FOR POWER STORAGE DEVICES, METHOD FOR PRODUCING SAME, AND POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/277109
Kind Code:
A1
Abstract:
An outer package material for power storage devices, the outer package material being composed of a multilayer body which sequentially comprises at least a base material layer, a barrier layer and a thermally fusible resin layer in this order, wherein: the barrier layer contains an aluminum alloy foil that has a composition containing 0.2% by mass to 2.0% by mass of Fe and 0.1% by mass to 5.0% by mass of Mg; the thermally fusible resin layer is composed of a single layer or a plurality of layers; and a first thermally fusible resin layer that forms a surface of the multilayer body among the thermally fusible resin layers has a logarithmic decrement ∆E of 0.25 or less at 140°C as determined by rigid pendulum measurement.
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Inventors:
TAKAHAGI ATSUKO (JP)
YASUDA DAISUKE (JP)
YAMASHITA TAKANORI (JP)
HAYASHI SHINJI (JP)
HIRAKI KENTA (JP)
YAMAZAKI MASAYASU (JP)
YASUDA DAISUKE (JP)
YAMASHITA TAKANORI (JP)
HAYASHI SHINJI (JP)
HIRAKI KENTA (JP)
YAMAZAKI MASAYASU (JP)
Application Number:
PCT/JP2022/026108
Publication Date:
January 05, 2023
Filing Date:
June 29, 2022
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
H01M50/105; H01G11/78; H01M50/119; H01M50/121; H01M50/129; H01M50/133
Domestic Patent References:
| WO2020085189A1 | 2020-04-30 | |||
| WO2020085462A1 | 2020-04-30 |
Foreign References:
| JP2021075778A | 2021-05-20 | |||
| JP2008287971A | 2008-11-27 | |||
| JP2005163077A | 2005-06-23 |
Attorney, Agent or Firm:
TANAKA, Junya et al. (JP)
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