A solid, printable electrolyte enables lithium-ion batteries to take many shapes Engineers dreaming up new pacemakers, watches, or whatever wearable gadgets come after Google Glass have to tailor their designs around existing battery shapes—typically cylinders, pouches, or rectangles. But a team of researchers hopes their fully printable, flexible lithium-ion batteries will one day free designers Read more about Flexible Lithium-Ion Batteries[…]