Battery management device and method

The battery management device addresses uneven battery degradation in BSS by prioritizing batteries based on performance indicators, ensuring balanced usage and optimal selection for replacement, enhancing efficiency and user experience.

JP7883605B2Active Publication Date: 2026-07-01LG ENERGY SOLUTION LTD
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Patent Information

Application Number
JP2024574011
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-09-05
Filing Date
2023-09-05
Publication Date
2026-07-01
Estimated Expiration
2043-09-05

AI Technical Summary

Technical Problem

Batteries used in Battery Swapping Stations (BSS) experience uneven degradation due to varying usage patterns, leading to inefficient utilization and accelerated deterioration in hot zones versus reduced efficiency in cold zones.

Method used

A battery management device that includes a communication unit, priority setting unit, and battery determination unit to assess and prioritize batteries based on performance indicators such as State of Charge (SOC), degree of degradation, relative usage, and stress score, ensuring balanced degradation and optimal battery selection for replacement.

Benefits of technology

The device prevents uneven battery degradation by prioritizing batteries for replacement based on comprehensive indicators, improving overall efficiency and user experience by recommending the most suitable battery for replacement.

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Patent Text Reader

Abstract

A battery management device according to an embodiment of the present invention, comprising: a communication unit configured to receive battery information of a plurality of batteries; a priority setting unit configured to determine index values of performance indexes preset for the plurality of batteries based on the battery information and set priorities for the plurality of batteries based on the determined index values; and a battery determination unit configured to determine a target battery from the plurality of batteries based on the battery information and the priorities and provide information related to the determined target battery.
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Citation Information

Patent Citations

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  • Battery station management system and battery station management method

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    US20180253789A1