Title:
SECONDARY BATTERY INSPECTION METHOD AND SECONDARY BATTERY INSPECTION DEVICE
Document Type and Number:
Japanese Patent JP2021157962
Kind Code:
A
Abstract:
To provide a secondary battery inspection method and a secondary battery inspection device, which are capable of inspecting, in a short time, with high accuracy and at low cost, the presence or absence of a conductive foreign matter in a secondary battery that includes a case and a laminate including a positive electrode sheet, a separator and a negative electrode sheet laminated therein.SOLUTION: A secondary battery inspection method includes: a preparation step (step S1) of preparing a state where a case is pressed from a first both end surfaces and vibration is applied to a laminate from a direction parallel to the first both end surfaces, the first both end surfaces being both end surfaces perpendicular to the lamination direction of the laminate in the case; and an inspection step (step S2) of applying voltage to a secondary battery in such a state and inspecting the presence or absence of a conductive foreign matter.SELECTED DRAWING: Figure 3
Inventors:
DEGUCHI SHOTARO
Application Number:
JP2020057361A
Publication Date:
October 07, 2021
Filing Date:
March 27, 2020
Export Citation:
Assignee:
PRIMEARTH EV ENERGY CO LTD
International Classes:
H01M10/04; H01M10/058
Domestic Patent References:
| JP2018022564A | 2018-02-08 | |||
| JP2014216128A | 2014-11-17 | |||
| JP2014207181A | 2014-10-30 | |||
| JP2008218390A | 2008-09-18 |
Attorney, Agent or Firm:
Ken Ieiri