... roughly half the thickness of a sheet of paper, and are printed in an ... "3D-printed, oxygen-free copper doesn't really exist industrially right now," ... The US Navy requires copper to create vacuum tubes, which are used for ...
... oxygen-free and drying assembly lines; (ii) environmental benignity, because ... 66%, which is much higher than those reported for Zn foil--based ZIBs. ... polyimide as the anode and copper hexacyanoferrate as the cathode, ...
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