Structure of Pt(111)/Ionomer Membrane Interface and Its Bias-Induced Change in Membrane Electrode Assembly

• Published in: Journal of physical chemistry. C Vol. 117; no. 23; pp. 12168 - 12171
• Main Authors: Masuda, Takuya, Fukumitsu, Hitoshi, Kondo, Toshihiro, Naohara, Hideo, Tamura, Kazuhisa, Sakata, Osami, Uosaki, Kohei
• Format: Journal Article
• Language: English
• Published: Columbus, OH American Chemical Society 13.06.2013
• Subjects: Applied sciences; Condensed matter: structure, mechanical and thermal properties; Direct energy conversion and energy accumulation; Electrical engineering. Electrical power engineering; Electrical power engineering; Electrochemical conversion: primary and secondary batteries, fuel cells; Exact sciences and technology; Mechanical and acoustical properties; Physical properties of thin films, nonelectronic; Physics; Structure of solids and liquids; crystallography; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties); X-ray diffraction and scattering; X-ray scattering (including small-angle scattering); Polymer electrolytes; Oxide layer; Surface scattering; Mechanical properties; X ray scattering; Adhesion; Interface; Single crystal; Fuel cell; Tribology

The structure of the perfluorosulfonated ionomer (PFSI)/Pt(111) interface in a membrane electrode assembly (MEA)-like configuration of a polymer electrolyte membrane (PEM) fuel cell, that is, a vacuum evaporated Pt layer/PEM(Nafion membrane)/PFSI(adhesion Nafion layer)/Pt(111) single crystal, and it...