Title:
ラミネート型二次電池の製造方法
Document Type and Number:
Japanese Patent JP7329014
Kind Code:
B2
Abstract:
To provide a method for manufacturing laminate secondary batteries, capable of uniformly impregnating an electrode body with an electrolyte even if the electrode body is large.SOLUTION: A manufacturing method disclosed herein includes: a step (S110) of accommodating a large electrode body in a laminate outer package, the large electrode body including at least a positive electrode and a negative electrode and having an electrode area of 20 cm×40 cm or more; a step (S120) of injecting an electrolyte into an internal space of the laminate outer package in which the large electrode body is accommodated, and building a laminate battery; and a step (S130) of impregnating the large electrode body with the electrolyte. The electrolyte impregnation step includes: processing to leave the laminate battery injected with the electrolyte still for two hours or more; processing to initially charge the laminate battery after having been left still; and processing to repeat a charge/discharge cycle at least 4 or more times with respect to the laminate battery after having being initially charged.SELECTED DRAWING: Figure 2
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Inventors:
Junko Amano
Application Number:
JP2021075138A
Publication Date:
August 17, 2023
Filing Date:
April 27, 2021
Export Citation:
Assignee:
Prime Planet Energy & Solutions Co., Ltd.
International Classes:
H01M10/04; H01G11/84; H01M10/0585; H01M50/105; H01M50/609
Domestic Patent References:
| JP2021061214A | ||||
| JP2017188305A | ||||
| JP2013140782A |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Hiroaki Yamane
Koji Amano
Michiko Oi
Hiroaki Yamane
Koji Amano