Battery life can be a deal maker or a deal breaker when shopping for a new electronic gadget, and laptops are especially notorious for overpromising and underdelivering when it comes to how long they can last between charges. A new twist on an old technological advancement might change all that by turning your keystrokes into power. Using a thin film that exhibits piezoelectric properties, the pressure of your fingers hitting each key could potentially generate enough energy to keep a notebook battery charged.
Piezoelectric materials, many of which are man-made ceramics, actually generate electric current when impacted. The science behind it has been used for many years in things like mechanical actuators and sensors, but has seen limited application in consumer electronics. Australian researchers at the Royal Melbourne Institute of Technology have been testing a piezoelectric film that could, in theory, be applied underneath a notebook keyboard. It would absorb the impact of each keystroke and use the electric current generated to charge the device's battery.
There are currently no plans for a consumer-level device that would employ the technology, but the research is promising. According to the scientists, other applications for piezoelectric material might also be on the horizon, including running shoes that could charge your cell phone and pacemakers that are powered by blood pressure alone. So for now, if you're desperate to lengthen your laptop's lifespan, you might just want to check out our guide to doing just that.
Advanced Functional Materials via Mashable
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