Battery Backup Thermal Control for Temperature-Induced Aging
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Solution Overview
Problem
The health of battery backup units in information handling systems is adversely affected by temperature, leading to accelerated aging, especially when fully charged, which existing technologies fail to adequately address.
Innovation Solution
Implementing a thermal control system and battery management agent that monitor and adjust ambient temperature based on usage history and temperature history to maintain battery health by minimizing temperature-induced aging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the battery is kept at high temperature for fast charging or operation, then the power delivery speed increases, but the battery aging accelerates and health deteriorates
Solution Approach 1:
The patent implements dynamic temperature management by adjusting the cooling system operation based on real-time battery temperature monitoring and predicted aging rates. The thermal control is not static but adapts to changing battery conditions, charging rates, and environmental factors to optimize both power delivery and battery health preservation
Solution Approach 2:
The system changes the temperature parameter dynamically by controlling cooling fans or thermal management systems. It adjusts the battery temperature from high (for fast charging) to lower ranges (for health preservation) based on calculated aging factors, effectively using parameter transformation to resolve the contradiction between speed and reliability
2Quantity of substance
If the battery is charged to full capacity, then the energy availability increases, but the temperature-induced aging accelerates
Solution Approach 1:
The system performs preliminary cooling actions before and during charging operations. By predicting the temperature rise that will occur during full charging, the thermal management system activates cooling measures in advance and maintains appropriate temperature levels throughout the charging process, preventing temperature-induced aging while achieving full capacity
Solution Approach 2:
The patent employs feedback mechanisms by continuously monitoring battery temperature, charge state, and calculated aging factors. Based on this feedback, the system adjusts charging rates and thermal management strategies to maintain battery health while maximizing energy capacity, creating a closed-loop control system that balances these conflicting objectives
3Device complexity
If no thermal management is implemented, then the device complexity is reduced, but the battery lifespan is significantly shortened
Solution Approach 1:
The system implements self-service thermal management where the battery management agent autonomously monitors temperature, calculates aging factors, and controls cooling systems without requiring complex external management. This self-managing approach extends battery lifespan while keeping the overall system complexity relatively low
Solution Approach 2:
The battery management agent performs multiple functions including charge control, temperature monitoring, aging prediction, and thermal management coordination. By consolidating these functions into a single multi-functional component, the system extends battery lifespan without proportionally increasing overall device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively prolongs battery life by predicting aging factors and adjusting temperatures to maintain optimal conditions, thereby extending the battery's operational lifespan.
Implementation Method 1
a thermal control system for controlling a temperature associated with the information handling system
Data Source
AI summary
An information handling system may include a processor, a power supply unit for supplying electrical energy to information handling resources of the information handling system, a battery backup unit for supplying electrical energy to the information handling resources responsive to a power event associated with the power supply unit, a thermal control system for controlling a temperature associated with the information handling system, and a battery management agent configured to determine battery aging parameters for a battery of the battery backup unit as a function of temperature and based on the battery aging parameters, usage history, and temperature history for the battery, control the temperature.