公开(公告)号：US20250035709A1

公开(公告)日：2025-01-30

申请号：US18915824

申请日：2024-10-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tomokazu SADA ,  Masatoshi NAGAYAMA ,  Yukikazu OHCHI ,  Kazuya HAYAYAMA

IPC: G01R31/389 ,  G01R31/36 ,  G01R31/367 ,  G01R31/392 ,  G01R31/396 ,  H01M10/48 ,  H02J7/00

Abstract: A deterioration diagnosis unit of an arithmetic unit constituting a remaining performance evaluation system diagnoses the deterioration degree of a secondary battery that has already been used for primary use based on an actual measurement value. The deterioration speed update unit updates the deterioration speed of the secondary battery based on the diagnosis result of the secondary battery. The remaining performance estimation unit estimates the remaining performance of the secondary battery after the start of secondary use based on the updated deterioration speed and a usage method at the time of the secondary use of the secondary battery.

公开(公告)号：US20210021000A1

公开(公告)日：2021-01-21

申请号：US16978549

申请日：2018-12-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tomokaza Sada ,  Masatoshi NAGAYAMA ,  Yukikazu OHCHI ,  Kazuya HAYAYAMA

IPC: H01M10/48 ,  H02J7/00 ,  G01R31/392 ,  G01R31/396 ,  G01R31/36 ,  G01R31/389

Abstract: A deterioration diagnosis unit 21a of an arithmetic unit 20 constituting a remaining performance evaluation system 3 diagnoses the deterioration degree of a secondary battery 5 that has already been used for primary use based on an actual measurement value. The deterioration speed update unit 21b updates the deterioration speed of the secondary battery 5 based on the diagnosis result of the secondary battery 5. The remaining performance estimation unit 21c estimates the remaining performance of the secondary battery 5 after the start of secondary use based on the updated deterioration speed and a usage method at the time of the secondary use of the secondary battery 5.