Method for detecting an anomaly in a storage battery

DE102025136255A1Undetermined Publication Date: 2026-07-16TOYOTA JIDOSHA KK
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Patent Information

Application Number
DE102025136255
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-01-15
Filing Date
2025-09-09
Publication Date
2026-07-16

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Abstract

According to one embodiment of the present disclosure, a method for detecting an anomaly in a storage battery comprises: calculating an initial holding deformation amount of a target prismatic cell in a stack of prismatic cells based on process data obtained during a manufacturing process; calculating a deformation amount of the bottom surface of the casing of the target prismatic cell based on the initial holding deformation amount and usage history data; and issuing a first warning in response to the deformation amount of the bottom surface of the casing exceeding a predetermined first threshold.
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Citation Information

Patent Citations

  • Monitoring sensor for sealed secondary battery, sealed secondary battery, and monitoring method for sealed secondary battery

    JP2016027538A

  • Battery system

    JP2019118216A