In-situ small-angle neutron scattering and dissipative particle dynamics studies of the cluster structure in nation membrane

Tomohiro Nakano, Michivo Kaneko, Toshlya Otomo, Takashi Kamiyama, Masaaki Sugiyama, Toshiharu Fukunaga, Ryoji Kanno, Satoru Yamamoto, Shiaki Hyodo

Research output: Contribution to conferencePaper

Abstract

Proton conductivity of Nation membrane has been thought to be affected by the cluster structure of the membrane. We applied Small-Angle Neutron Scattering (SANS) under in-situ condition (T = 353 K, R.H. = 0, 20, 40, 60 and 70 %) and the simulation of Dissipative Particle Dynamics (DPD) to clarify the relationship between the cluster structure and molecular structure. We evaluated two types of Nafion membrane with has different molecular structure; 1) N115, 2) NE151F. We found/confirmed that there were three different sized periodic structures in the Nafion membrane, this periodicity was affected by molecular structure and cluster structure was swelled by humidity increase. We also obtained similar results by DPD. We conclude that the shift of scattering curve at q=0.2[Å-1] suggest swelling of cluster structure.

Original languageEnglish
Number of pages1
Publication statusPublished - Oct 18 2006
Externally publishedYes
Event55th SPSJ Annual Meeting - Nagoya, Japan
Duration: May 24 2006May 26 2006

Other

Other55th SPSJ Annual Meeting
CountryJapan
CityNagoya
Period5/24/065/26/06

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Nakano, T., Kaneko, M., Otomo, T., Kamiyama, T., Sugiyama, M., Fukunaga, T., Kanno, R., Yamamoto, S., & Hyodo, S. (2006). In-situ small-angle neutron scattering and dissipative particle dynamics studies of the cluster structure in nation membrane. Paper presented at 55th SPSJ Annual Meeting, Nagoya, Japan.