| abstract |
The invention discloses a method for preparing a membrane electrode and a method for preparing a membrane electrode anode catalytic layer, the preparation method comprising: immersing a proton exchange membrane side in a platinum precursor/aqueous solution; and carbon carrier metal or metal oxide and After mixing the perfluorosulfonic acid resin, the black catalyst slurry is uniformly formed by ultrasonication in an organic solvent; the prepared anode substrate catalytic layer is placed in a plating abrasive for pulse electrodeposition, saturated nitrogen gas is introduced, and the auxiliary electrode and the reference electrode are inserted. Ratio electrode; set pulse frequency, conduction and disconnection time, total pulse deposition time, that is, an in-situ embedded core-shell catalyst of the anode catalytic layer is prepared; the preparation method of the membrane electrode and the membrane electrode anode proposed by the invention The preparation method of the catalytic layer can improve the preparation efficiency, improve the controllability and precision of the preparation process, and reduce the cost. |