Using WiFi to Charge Mobile Phones to Create "Super Materials" for Students
Allen Hawkes and Alexander Katko, students at the Platt School of Engineering at Duke University in the United States, have created an innovative charging device known as the "charger terminator." This groundbreaking technology uses a special material called "supermaterial" to charge mobile phones using WiFi signals, offering a new alternative to traditional wireless or portable chargers.
The device is built using a unique structure called a "metamaterial," which is designed to capture and convert different forms of wave energy. During development, the students installed five fiberglass and copper conductors on a circuit board, forming an array that can efficiently collect microwave energy from the environment.
This "supermaterial" combines materials like glass fiber, copper, and gold in specific shapes and patterns to enhance their overall performance. The result is a highly efficient system that can convert captured microwave energy into usable electrical power. According to the researchers, the device can generate a 7.3-volt current with an efficiency of 36.8%, surpassing the typical 5 volts provided by standard USB chargers.
With this invention, users could potentially charge their devices simply by connecting to a WiFi network, eliminating the need for physical chargers or power outlets. This could revolutionize how we power our electronic devices, making charging more convenient and accessible.
The research highlights the potential of metamaterials in energy harvesting and opens up exciting possibilities for future wireless charging technologies. As the team continues to refine their design, it's clear that their work could have a significant impact on the way we think about power and connectivity in everyday life.
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