While sharp screens, faster processors and millions of apps are some of the selling points of mobile technology, the battery keeping your gadget alive doesn’t get as much attention, The Sydney Morning Herald reports. This is because the essential electrochemical process inside a battery hasn’t changed much in more than a century. Until now. Pressure from smartphone users wanting their devices to last longer between charges is helping generate a lot of battery research in labs around the world. … Now a University of Southern California team is looking for better electrodes. It is experimenting with silicon nanoparticles to help the current move more smoothly. Nanoscale ”wires” transfer current faster, promising a full charge in 10 minutes and up to three times as much energy.

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