Method of fabricating electrodes of high power-density flow cell

A method of fabricating electrodes of high power-density flow cell, comprising steps of:

• (a) pre-treatment:
• processing a first high-temperature treatment at a first elevated temperature to a conductive carbon material, then cooling the conductive carbon material to room temperature, then exposing the conductive carbon material to a second high-temperature treatment at a second, more elevated temperature;
• (b) seed settlement:
• distributing a plurality of seeds on a surface of said conductive carbon material;
• (c) etching:
• etching each of said seeds on said surface of said conductive carbon material into a plurality of nanoparticles;
• and
• (d) microwave molding:
• forming a plurality of carbon nanotube (CNT) electrodes on said surface of said conductive carbon material by introducing CH4, H2 and N2 and directly microwaving said nanoparticles,
• wherein, in step (d), a chemical vapor deposition device assisted with microwave plasma is used to directly form multi-walled CNT electrodes on said surface of said conductive carbon material directly with the nanoparticles,
• wherein, when microwave power of said device reaches 2500 watts (W), CH4, H2 and N2 are introduced at flow rates of 20 standard cubic centimeters per minute (sccm), 80 sccm and 80 sccm, respectively, for 10 minutes to grow said CNT electrodes;
• and wherein, during growing said CNT electrodes, said device is maintained at a pressure of 40 torrs±20% and a reaction temperature of 900° C.±20%.