EV Battery SOC Management via Dynamic Thresholds
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Solution Overview
Problem
The improper charging and management of electric vehicle batteries can lead to reduced performance and shortened lifespan, and lack of standardization in battery treatment results in losses for both users and business operators providing charging services.
Innovation Solution
A method and apparatus for managing electric vehicle batteries based on predetermined 'state of charge' (SOC) management conditions, which include determining SOC options based on user selection, collecting SOC information, and creating battery management guide and evaluation information to ensure optimal charging and discharging practices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the battery is charged to a certain level, then the charging speed is reduced until the battery is fully charged, but this reduces charging efficiency and incurs losses for charging service providers
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the charging termination threshold based on SOC management conditions. Instead of using a fixed charging threshold, the system modifies the charging parameters (termination SOC level) according to predetermined management conditions, allowing flexible optimization between battery performance and charging efficiency. This resolves the contradiction by enabling adaptive parameter adjustment rather than relying on fixed charging protocols.
2Reliability
If users charge their electric vehicles frequently or to full capacity, then the risk of complete discharge is prevented, but this may shorten the battery life-cycle and reduce performance
Solution Approach 1:
The patent implements dynamics by transitioning from static, fixed charging thresholds to dynamic, adaptive SOC management conditions. The charging termination point is no longer fixed but dynamically adjusted based on predetermined management conditions that consider both battery availability and life-cycle preservation. This dynamic approach allows the system to optimize charging behavior in real-time, resolving the contradiction between preventing complete discharge and extending battery life.
3Ease of operation
If no standard for determining proper battery treatment is established, then users have flexibility in charging methods, but this results in losses for manufacturing and battery management
Solution Approach 1:
The patent applies feedback by establishing a closed-loop SOC management system with predetermined management conditions. The system provides feedback mechanisms through evaluation information and incentive/penalty systems that guide users toward proper battery treatment. This structured feedback approach maintains user flexibility while ensuring that charging behaviors align with optimal battery management standards, thereby preventing manufacturing losses without completely restricting user autonomy.
Data Source
AI summary
The disclosure is related to a battery management of an electric vehicle. Particularly, the disclosure relates to performing the battery management according to a ‘state of charge’ (SOC) management condition predetermined for an electric vehicle battery.