Title:Three-Dimensional Interlocking Interface: Mechanical Nanofastener for HighInterfacial Robustness of Polymer Electrolyte Membrane Fuel Cells

Author: SeongminYuk, Min-Ju Choo, Dongyoung Lee, Hwanuk Guim, Tae-Ho Kim, Dai Gil Lee, SungyuChoi, Dong-Hyun Lee, Gisu Doo, Young Taik Hong and Hee-Tak Kim

Journal:Advanced Materials, 2017, 29, 1603056

Abstract:

A scalable nano-fastener featuring a three-dimensionallyinterlocked interfacial structure between thehydrocarbon membrane and perfluorinated sulfonic acid-based catalyst layer ispresented to overcome the interfacial issue of hydrocarbon membrane basedpolymer electrolyte membrane fuel cells. The nano-fastener introduced membraneelectrode assembly (MEA) withstands more than 3000 humidity cycles which is20-times higher durability than that of MEA without nano-fastener.