| abstract |
The present invention relates to energy-storage travelling wave tube technical field, a kind of electrode slice and preparation method thereof, energy storage device are disclosed, wherein the preparation method of the electrode slice includes：Germanium film is formed on the metallic substrate；The processing that topologizes is carried out to germanium film using functionalization element, to obtain the electrode slice with topological characteristic of semiconductor.It is small by the conductivity height of electrode slice made from above-mentioned electrode piece preparation method, internal resistance. |