Apple is eyeing different shapes for batteries to find more room for them in phones, tablets, and other mobile gadgets.
Published today by the U.S. Patent and Trademark Office, a patent application dubbed "Curved battery cells for portable electronic devices," describes exactly that. The shape of such a battery would be changed during the manufacturing process to form a curve in its design. That trick would be achieved by heating up a set of curved plates and applying pressure to the battery cell.
The goal would be to create a battery that can make better use of … Read more