| abstract |
The present invention provides a kind of preparation method of porous composite nano fibre yarn line ultracapacitor, belongs to weaving and electrochemical field.The preparation method of the porous graphene fiber and all-solid-state supercapacitor prepares porous composite Nano yarn using polyacrylonitrile, graphite oxide and vanadic anhydride as raw material, by electrostatic spinning technique.Using polyacrylonitrile as carrier, using vanadic anhydride as pore former, and with graphite oxide come improve its physical mechanical property preparation composite nano fibre yarn line, have higher specific surface area and specific capacitance. |