title: Water content distribution in a polymer electrolyte membrane for advanced fuel cell system with liquid water supply.
abstract: To better understand the operation of a new fuel cell design, we used magnetic resonance imaging (MRI) to measure the water content distribution in a polymer electrolyte membrane under fuel cell operation with and without a supply of liquid water. The supply of liquid water to the membrane improved the cell performance by increasing the water content in the membrane and thus reducing the electrical resistance of the membrane. The study also showed that MRI is a promising method to investigate the distribution of water in the membrane of a fuel cell under operating conditions.
authors.affiliation: Research Center for Carbon Recycling and Energy, Tokyo Institute of Technology, Meguro-ku Tokyo, 152-8552, Japan. tsushima@mech.titech.ac.jp
authors.forename: Shohji
authors.initials: S
authors.lastname: Tsushima
authors.forename: Kazuhiro
authors.initials: K
authors.lastname: Teranishi
authors.forename: Kousuke
authors.initials: K
authors.lastname: Nishida
authors.forename: Shuichiro
authors.initials: S
authors.lastname: Hirai
mesh_terms: D017097:Electric Impedance; D011211:Electric Power Supplies; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008567:Membranes, Artificial; D011108:Polymers / Q000737:chemistry*; D014867:Water
chemical_list: D008567:Membranes, Artificial; D011108:Polymers; D014867:Water