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Neutrons for Science and Industry

Structural features of radiation-grafted membranes for required properties in fuel cells: A novel approach using neutron scattering and simulation techniques

by Prof. Yasunari Maekawa (Takasaki Institute for Advanced Quantum Science (TIAQ), National Institutes for Quantum Science and Technology (QST))

PH HS 3 (Physics Department)


Physics Department

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The hierarchical structure of a polymer electrolyte membrane for energy conversion and storage devices such as fuel cells and water electrolysis, prepared by radiation-induced graft polymerization, was investigated in a range of sub- to several hundred-nanometer using the combination of a small-angle neutron scattering (SANS) contrast variation / partial scattering functions (PSF) method, atomic force microscopy, and simulations. Toward applying to Materials Informatics (MI), the structural models are constructed from the analyzed structures to reveal several phase-separated structures, relating to ion conductivity and mechanical properties, which are the required characteristics for practical fuel cells. In addition, I will briefly introduce recent outcomes, relating to quantum technology, medical and agricultural applications in TIAQ, QST. 

Organized by

Dr. Jitae Park
Dr. Theresia Heiden-Hecht

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