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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/10630

Title: Synthesis and Proton transport property of Poly(aspartic acid) thin film on SiO_2 substrate
Authors: Nagao, Yuki
Iguchi, Fumitada
Sata, Noriko
Yugami, Hiroo
Keywords: proton conduction
thin films
fuel cell
Issue Date: 2009-04-05
Publisher: Elsevier
Magazine name: Solid State Ionics
Volume: 181
Number: 3-4
Start page: 206
End page: 209
DOI: 10.1016/j.ssi.2009.03.011
Abstract: Poly(aspartic acid) and its thin film were synthesized to study proton transport properties. The average degree of polymerization and molecular weight are 50 and 7000, respectively. The proton conductivities of the Poly(aspartic acid) and its thin film were 4.3 × 10^<-4> and 5.1 × 10^<-3> S cm^<-1>, respectively under the relative humidity of 70 % and 298 K. The proton conductivity of the thin film is one order of magnitude higher than that of the pelletized Poly(aspartic acid). The activation energies for the proton conduction of the pelletized Poly(aspartic acid) and thin film are 0.65 and 0.53 eV, respectively. The open circuit voltage of the pelletized sample exhibited ~0.9 V under the relative humidity of 70 % and 298 K.
Rights: NOTICE: This is the author's version of a work accepted for publication by Elsevier. Yuki Nagao, Fumitada Iguchi, Noriko Sata, Hiroo Yugami, Solid State Ionics, 181(3-4), 2009, 206-209, http://dx.doi.org/10.1016/j.ssi.2009.03.011
URI: http://hdl.handle.net/10119/10630
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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