Wi-Fi Energy Harvesting System for Battery-Free Operation of Electronic Devices

The "Wi-Fi Energy Harvesting System for Battery-Free Operation of Electronic Devices" is an innovative solution designed to convert ambient Wi-Fi signals into usable electrical energy. This system leverages advanced antenna technology, high-efficiency rectifying circuits, and AI-driven power optimization to provide a sustainable and efficient power source for small electronic devices such as smartphones, wearable devices, and IoT sensors. By eliminating the need for traditional batteries, this system reduces maintenance costs and environmental impact while providing continuous power.

Key components of the system include an energy harvesting antenna array that captures Wi-Fi signals across multiple frequencies, a rectifying circuit that converts captured RF energy into direct current (DC) power, and an energy storage and management unit that stores and regulates the harvested energy. The integration module, featuring a flexible PCB design, allows seamless incorporation into various electronic devices without affecting their form factor or functionality. AI-driven optimization algorithms dynamically adjust the power conversion process to maximize efficiency based on real-time energy levels and device power requirements. This comprehensive approach ensures that the energy harvesting system provides a reliable, scalable, and environmentally friendly power solution for modern electronic devices.

Background of the Invention

The proliferation of wireless communication networks has created an environment rich in electromagnetic energy. Traditional electronic devices rely heavily on batteries, which pose challenges such as limited lifespan, environmental concerns, and maintenance costs. Converting ambient Wi-Fi signals into electrical energy presents a novel solution to power small electronic devices, potentially transforming how these devices are powered and maintained.

Summary of the Invention

The invention is a Wi-Fi energy harvesting system designed to convert Wi-Fi signals into electrical energy to power small electronic devices such as smartphones, wearable devices, and IoT sensors. The system comprises:
Energy Harvesting Antenna Array: Captures ambient Wi-Fi signals efficiently over a wide range of frequencies.
Rectifying Circuit: Converts captured RF energy into DC power suitable for electronic devices.
Energy Storage and Management Unit: Stores harvested energy and manages its distribution to connected devices.
Integration Module: Seamlessly integrates the system into various electronic devices, enabling battery-free operation.
Optimized Power Conversion Algorithms: Utilizes AI-driven algorithms to maximize energy conversion efficiency.

Brief Description of the Invention

Energy Harvesting Antenna Array: The antenna array is designed to capture Wi-Fi signals efficiently. It consists of multiple miniaturized antennas capable of operating across the 2.4 GHz and 5 GHz frequency bands. The array is optimized for high sensitivity and directional gain, ensuring maximum energy capture from ambient Wi-Fi signals.
Rectifying Circuit: The rectifying circuit converts the captured RF energy into direct current (DC) power. It employs high-efficiency Schottky diodes and capacitors to minimize energy loss during conversion. The circuit is designed to operate with low input power levels, making it suitable for harvesting energy from ambient Wi-Fi signals.
Energy Storage and Management Unit: This unit consists of supercapacitors and a power management IC (PMIC) that stores the harvested energy and regulates its distribution to the connected devices. The supercapacitors provide a quick charge and discharge capability, ensuring a stable power supply.
Integration Module: The integration module facilitates the seamless integration of the energy harvesting system into various electronic devices. It includes a flexible PCB design that can be embedded within the device's housing without affecting its form factor or functionality.
Optimized Power Conversion Algorithms: AI-driven algorithms optimize the power conversion process by dynamically adjusting the rectifying circuit parameters and energy distribution based on the harvested energy levels and device power requirements. This ensures maximum energy conversion efficiency and optimal device performance.

Background of the Invention

Summary of the Invention

Brief Description of the Invention

This website uses cookies 🍪