Adaptive Fast-Charging Control for Mobile Device Batteries
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Solution Overview
Problem
Current battery technology is limited by slow charge and discharge processes, which lead to accelerated degradation and potential safety hazards during rapid charging, and fails to provide long-lasting, high-energy-density power storage for mobile devices without increasing weight or size.
Innovation Solution
The development of adaptive fast-charging methods and devices that determine whether a connected component is suitable for rapid charging, allowing high charging rates up to greater than 60C, while controlling charging characteristics to improve battery lifetime and safety, using a rapid charger or slave battery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If rapid charging is performed on standard batteries, then charging speed is improved, but battery degradation accelerates and safety hazards increase
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting charging current based on battery state. The system monitors battery temperature, voltage, and charge level, then modifies charging parameters in real-time to enable fast charging without exceeding safety thresholds. This resolves the contradiction by transforming fixed charging parameters into adaptive variables that optimize both speed and safety.
Solution Approach 2:
The invention implements dynamics through adaptive charging control that continuously responds to battery conditions. The charging system transitions from static current delivery to dynamic current adjustment, modifying charging rate based on real-time feedback from temperature sensors, voltage monitors, and state-of-charge estimators. This dynamic approach enables rapid charging while preventing degradation and safety hazards.
2Duration of action of moving object
If battery capacity is increased to extend usage time, then device operation duration is improved, but device weight and size increase
Solution Approach 1:
The patent applies parameter changes by optimizing charging current and voltage profiles to maximize energy transfer efficiency. By adjusting charging parameters dynamically, the system enables faster charging of higher-capacity batteries, allowing extended usage time without proportionally increasing battery size. The efficient charging process reduces energy losses, enabling more capacity to be stored in smaller packages.
Solution Approach 2:
The invention implements preliminary action through pre-conditioning the battery before fast charging begins. The system performs initial assessments of battery state, pre-heats or pre-cools battery components if needed, and prepares charging circuits to optimize energy transfer from the start. This preliminary preparation enables more efficient charging of larger-capacity batteries, extending usage time without excessive weight gain.
3Loss of time
If charging current is increased to reduce charging time, then charging speed is improved, but heat generation and localized over-potential build-up increase
Solution Approach 1:
The patent applies feedback through continuous monitoring of battery temperature, voltage, and current during charging. Sensors provide real-time data to the control system, which adjusts charging parameters in response to detected conditions. When temperature rises or voltage approaches critical levels, the system automatically reduces current or pauses charging, preventing harmful effects while maintaining optimal charging speed when conditions permit.
Solution Approach 2:
The invention implements preliminary anti-action by implementing preventive measures before harmful effects occur. The system establishes safety thresholds for temperature, voltage, and current beforehand, and takes corrective action before critical damage can occur. Pre-cooling mechanisms, current limiting circuits, and voltage clamping devices are prepared in advance to counteract heat generation and over-potential build-up before they become problematic.
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
Enables extended usage times for mobile devices by optimizing charging rates, improving battery longevity, and ensuring safety through adaptive charging protocols that balance energy density and safety, overcoming the limitations of standard battery charging.
Implementation Method 1
Batteries store energy electrochemically, in which chemical reactions release electrical carriers that can be extracted into an electrical circuit.
Data Source
AI summary
The present invention discloses devices and methods for adaptive fast-charging of mobile devices. Methods include the steps of: firstly determining whether a first connected component is charged; upon firstly determining the first connected component isn't charged, secondly determining whether the first connected component is adapted for rapid charging; and upon secondly determining the first connected component is adapted for rapid charging, firstly charging the first connected component at a high charging rate via a charging device. Preferably, the charging device is selected from the group consisting of: a rapid charger and a slave battery. Preferably, the first connected component is selected from the group consisting of: a mobile device and a slave battery. Preferably, the high charging rate is selected from the group consisting of: greater than about 4 C, greater than about 5 C, greater than about 10 C, greater than about 20 C, greater than about 30 C, and greater than about 60 C.