Battery Charging Profile Adjustment via Dynamic Charge Factor
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Solution Overview
Problem
Existing battery charging methods do not effectively adapt to the dynamic properties of batteries, such as age, temperature, and usage, which can lead to suboptimal battery lifetime performance.
Innovation Solution
A method that involves monitoring charge input and output during initial and subsequent charge/discharge cycles to calculate a charge factor, adjusting the regulation voltage based on this factor to maintain it within a preset range, thereby optimizing the charging profile for improved battery performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed charging profile is used for all battery conditions, then the charging process is simple and fast, but the battery lifetime performance deteriorates due to inability to adapt to age, temperature, and usage variations
Solution Approach 1:
The charging profile dynamically adjusts the regulation voltage based on the calculated charge factor from monitored charge input and output. The system transitions from a static fixed voltage approach to a dynamic adaptive approach where the regulation voltage changes according to actual battery usage patterns, thereby improving battery lifetime without requiring complex user input or external sensors
Solution Approach 2:
The system implements feedback by continuously monitoring charge input and charge output during charge/discharge cycles, calculating the charge factor, and using this feedback to adjust the regulation voltage in subsequent cycles. This closed-loop control enables the charging system to adapt to battery aging and usage variations, resolving the contradiction between simple operation and improved reliability
2Productivity
If the regulation voltage is increased to accelerate charging, then charging speed improves, but battery degradation accelerates and lifetime performance worsens
Solution Approach 1:
The system changes the regulation voltage parameter dynamically based on the charge factor calculated from actual usage. Instead of using a constantly high voltage for fast charging, the system adjusts the voltage level according to battery needs, enabling fast charging when appropriate and reduced voltage when battery health is at risk, thus resolving the contradiction between charging speed and battery lifetime
3Reliability
If the regulation voltage is reduced to protect battery life, then battery lifetime performance improves, but charging speed and productivity deteriorate
Solution Approach 1:
The system dynamically adjusts the regulation voltage based on real-time charge factor calculations rather than using a constantly reduced voltage. This enables the system to provide fast charging when the battery can accept it (maintaining high productivity) while reducing voltage only when necessary to protect battery health (maintaining reliability), thus resolving the contradiction between charging speed and battery lifetime
Data Source
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AI summary
The invention provides a method and apparatus for operating a battery. The method comprises the following steps. The battery undergoing a first series of charge/discharge cycles, wherein the battery charging profile of the first series of charge/discharge cycles has a first regulation voltage. Monitoring the overall charge input and overall charge output during the first series of charge/discharge cycles and calculating the charge factor of the first series of charge/discharge cycles. The battery undergoing a second series of charge/discharge cycles, wherein the battery charging profile of the second series of charge/discharge cycles has a second regulation voltage. The second regulation voltage being determined in dependence on the calculated charge factor of the first series of charge/discharge cycles.