Apple, like everyone else, is looking to increase the battery life of its mobile devices. The lithium-ion battery found in current model iPhones takes up a large amount of space yet still often fails to meet our power-hungry needs. A patent revealed by AppleInsider could mean that better batteries are in the works.
Apple’s idea is to make current batteries hold more energy without increasing their size. High-density power cells would also up energy density without increasing charging times or reducing minimum life cycle. A charging technique described as multi-step constant-current constant-voltage (CC-CV) would be used to achieve this higher energy density.
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Read the original post by Frank Macey