Printable, flexible, rechargeable, non-toxic zinc batteries could challenge lithium

Extremetech: The familiar button battery is the workhorse of small electronics. While it is likely to continue to power our existing watches and calculators for a little while, it has become the limiting factor for many key design points of these devices. Like a shipping container in a world of instant messaging, it has no future. One company, Imprint Energy, has assembled the total assault package which might sound the death knell — a rechargeable, flexible, customizable, and printable battery that is cheaper, safer and more powerful.

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