Battery module that supports automatic low-voltage charging

JP7789582B2Active Publication Date: 2025-12-22SCHNEIDER ELECTRIC IT CORP
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Patent Information

Application Number
JP2022024009
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-02-16
Filing Date
2022-02-18
Publication Date
2025-12-22
Estimated Expiration
2042-02-18

AI Technical Summary

Technical Problem

Current energy storage devices require specialized knowledge and equipment to maintain optimal charge levels, leading to inefficiencies and potential human errors during charging, especially in different operational environments.

Method used

A battery module with a battery management system that automatically adjusts the state of charge based on the type of power device it is connected to, allowing it to charge to different levels depending on whether it is in active use or storage, thereby optimizing charge levels without human intervention.

Benefits of technology

The solution enables efficient and automated maintenance of appropriate charge levels, reducing the need for specialized knowledge and equipment, and ensuring energy storage devices remain within desired SOC ranges regardless of their operational status.

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Abstract

To provide: a battery module comprising battery terminals configured to be coupled to at least one power device, one or more battery cells configured to store energy, and a battery management system; a method of assembling a battery module; and a non-transitory computer-readable medium.SOLUTION: In an energy storage device 104a, a battery management system having a BMS power module 202 and a BMS control module 204 is configured to: determine whether a command to operate with an at least one power device has been received; charge, responsive to determining that a command to operate with a first power device has not been received, one or more battery cells to a first state of charge with power derived from the first power device; and charge, responsive to determining that a command to operate with a second power device has been received, the one or more battery cells to a second state of charge with power derived from the second power device, the second state of charge being greater than the first state of charge.SELECTED DRAWING: Figure 2
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