Intelligent Battery Charging Device Stress Reduction
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Solution Overview
Problem
Existing methods for charging rechargeable batteries or secondary cells do not effectively reduce or eliminate the stress, deterioration, and degradation that occurs during charging, which limits their overall life.
Innovation Solution
A charging device with semiconductor devices and computing or control devices that manage the charging process, allowing for selective power transmission based on the battery's current power level, wake-up times, and health analysis, including cloud-based data transmission for health assessment and failure detection, to optimize charging modes and prevent overcharging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional charging methods are used to charge rechargeable batteries, then charging speed and power delivery are maintained, but battery stress, deterioration, and degradation increase, reducing overall battery life
Solution Approach 1:
The charging device dynamically adjusts charging parameters (current, voltage, power levels) in real-time based on battery state monitoring. The system transitions between different charging modes (normal charging, during use charging, overnight charging) and modifies semiconductor device operation to optimize the balance between charging speed and battery stress reduction, preventing degradation while maintaining productive charging.
Solution Approach 2:
The system continuously monitors battery power levels, temperature, and charge state, using this feedback to adjust charging parameters. The charging device detects battery needs and modifies power delivery accordingly, creating a closed-loop control system that prevents overcharging and excessive stress while maintaining efficient charging performance.
2Loss of time
If high power is delivered to charge batteries quickly, then charging time is reduced, but battery stress and heat generation increase, causing deterioration
Solution Approach 1:
The charging device employs periodic charging cycles with varying power levels rather than continuous high-power delivery. The system alternates between higher power phases (for faster charging) and lower power phases (for stress reduction and cooling), creating a rhythmic charging pattern that reduces cumulative battery stress and heat generation while maintaining reasonable overall charging time.
Solution Approach 2:
The system changes charging parameters (current, voltage, power) based on battery state, temperature, and charge level. By dynamically modifying these parameters rather than maintaining constant high power, the system achieves efficient charging while preventing excessive heat and stress that would cause battery deterioration.
3Reliability
If continuous monitoring and control systems are added to manage charging, then battery life and stress reduction improve, but device complexity increases
Solution Approach 1:
The charging device performs self-diagnosis and automatic adjustment of charging parameters based on monitored battery conditions. The system autonomously determines optimal charging modes, adjusts power levels, and prevents problematic conditions without requiring complex external control systems or user intervention, thereby improving battery life while limiting the increase in overall system complexity.
4Reliability
If multiple charging modes and cloud-based monitoring are implemented, then battery health management and failure detection improve, but system complexity and data processing requirements increase
Solution Approach 1:
The charging device acts as an intermediary between the battery and the user/cloud system. It performs local monitoring, analysis, and control functions, processing battery data on-site and only communicating essential information externally. This intermediary role enables sophisticated battery health management and failure detection while minimizing the complexity burden on the overall system by handling complex processing locally.
Data Source
AI summary
A method and apparatus for charging one or more rechargeable batteries or secondary cells. The method includes providing an external source of power, one or more rechargeable batteries or secondary cells, and a charging device. The charging device includes one or more computing or control devices and one or more semiconductor devices. At least a portion of the one or more semiconductor devices are in electrical communication with the external power source and at least a portion of the one or more semiconductor devices are in electrical communication with at least a portion of the one or more rechargeable batteries or secondary cells. Once a charging mode has been selected, the charging device will allow the external source of power to supply an amount of power to the one or more rechargeable batteries or secondary cells.