Graphene-based quasi-solid battery based on printing technology
A solid-state battery and graphene technology, applied in battery electrodes, secondary batteries, circuits, etc., can solve the problems of uncontrollable battery shape and difficulty in further thinning the coating thickness of the electrode layer, so as to facilitate rapid transmission and easy wireless Seam connection, reduce the effect of interface impedance
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[0029] Example 1
[0030] A graphene-based solid-state battery based on printing technology. The functionalized graphene material is prepared into positive electrode ink, and the positive electrode is printed on the positive current collector by inkjet printing method; the solid electrolyte membrane is obtained by coating method; The negative electrode material is pressed on the negative current collector to obtain the negative electrode; the liquid electrolyte is sprayed on the surface of the positive electrode, and the solid electrolyte membrane and the negative electrode are combined to obtain a quasi-solid battery.
[0031] The specific implementation process of graphene-based solid-state batteries based on printing technology:
[0032] 1. Preparation of positive electrode:
[0033] a) Mix the functionalized graphene material, conductive agent (carbon nanotube), and binder (CMC) at a weight ratio of 90:5:5, and use pure water as the solvent, magnetic stirring for 10 hours, and ult...
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