公开(公告)号：US20240385257A1

公开(公告)日：2024-11-21

申请号：US18694080

申请日：2022-09-09

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Zyun SIROMA

IPC: G01R31/396 ,  G01R31/389 ,  H01M10/42 ,  H01M10/48 ,  H01M50/519

Abstract: This battery pack comprises: an electric circuit element part which is for use in assessment of a plurality of secondary batteries and which is disposed so as to be connectable to the plurality of secondary batteries; and a switching part connected to the electric circuit element part and to the plurality of secondary batteries and configured so that the impedance characteristics of the entirety of the battery pack can be switched between when the electric circuit element part is used and when the electric circuit element part is not used.