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METHOD OF PREPARING FUEL CELL COMPRISING PROTON CONDUCTING SOLID PEROVSKITE ELECTROLYTE MEMBRANE WITH IMPROVED LOW TEMPERATURE ION CONDUCTIVITY, AND MEMBRANE ELECTRODE ASSEMBLY OF FUEL CELL PREPARED BY THE METHOD
METHOD OF PREPARING FUEL CELL COMPRISING PROTON CONDUCTING SOLID PEROVSKITE ELECTROLYTE MEMBRANE WITH IMPROVED LOW TEMPERATURE ION CONDUCTIVITY, AND MEMBRANE ELECTRODE ASSEMBLY OF FUEL CELL PREPARED BY THE METHOD
Provided are a method of preparing a fuel cell and a membrane electrode assembly prepared by the method. The method includes preparing a substrate, forming a buffer layer having a single crystalline structure on the substrate, forming a proton conducting solid perovskite electrolyte membrane on the buffer layer, forming a first electrode on one surface of the proton conducting solid perovskite electrolyte membrane, etching the substrate, and forming a second electrode on the opposite surface of the one surface of the electrolyte membrane. Thus, the method of preparing a fuel cell can improve ion conductivity of an electrolyte membrane at a low temperature and a membrane electrode assembly of a fuel cell prepared by the method can improve ion conductivity at a low temperature.
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