Title:
SECONDARY CELL
Document Type and Number:
WIPO Patent Application WO/2018/131346
Kind Code:
A1
Abstract:
Provided is a secondary cell which is particularly suited to the combined mounting of a board. This secondary cell is obtained by being provided with an electrode assembly in which electrode constituent layers comprising positive electrodes, negative electrodes, and separators have been stacked, and an outer casing which wraps around the electrode assembly. In the secondary cell, the electrode assembly is provided with an assembly step portion constituted by a low assembly surface having a relatively low level and a high assembly surface having a relatively high level, the secondary cell is provided with a cell step portion constituted by a low cell surface having a relatively low level and high cell surface having a relatively high level, and the low cell surface serves as a board placement surface while keeping, as a margin, the offset between the assembly step portion and the cell step portion.
Inventors:
KAWAI TORU (JP)
OTSUKA MASAHIRO (JP)
OTSUKA MASAHIRO (JP)
Application Number:
PCT/JP2017/044084
Publication Date:
July 19, 2018
Filing Date:
December 07, 2017
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/0585; H01M10/04; H01M10/052; H01M10/44; H01M50/103
Foreign References:
| JP2001167743A | 2001-06-22 | |||
| JP2015514291A | 2015-05-18 | |||
| JP2014013726A | 2014-01-23 | |||
| JP2011210662A | 2011-10-20 | |||
| JP2016509349A | 2016-03-24 | |||
| JP2014045205A | 2014-03-13 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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