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http://dx.doi.org/10.5855/ENERGY.2016.25.3.066

Poly(arylene ether ketone) block copolymer prepared through sulfonation process for polymer electrolyte membrane fuel cell  

Jang, Hyeri (Graduate school, Department of Energy Storage.Conversion Engineering, R&D Education Center for Fuel Cell System-Whole Life Cycle R&D, and Hydrogen & Fuel Cell Research Center, Chonbuk National University)
Nahm, Keesuk (Graduate school, Department of Energy Storage.Conversion Engineering, R&D Education Center for Fuel Cell System-Whole Life Cycle R&D, and Hydrogen & Fuel Cell Research Center, Chonbuk National University)
Yoo, Dongjin (Graduate school, Department of Energy Storage.Conversion Engineering, R&D Education Center for Fuel Cell System-Whole Life Cycle R&D, and Hydrogen & Fuel Cell Research Center, Chonbuk National University)
Publication Information
Journal of Energy Engineering / v.25, no.3, 2016 , pp. 66-72 More about this Journal
Abstract
In this study, a sulfonated poly(arylene ether ketone) block copolymer was prepared from hydrophilic oligomer and hydrophobic oligomer. The structure of the prepared membrane was characterized by $^1H$-NMR, FT-IR and GPC. The $M_w$(weight-average molecular weights) of the polymer was $209,700g\;mol^{-1}$ and the molecular weight distribution($M_w/M_n$) of 1.25 was obtained. The prepared membrane showed excellent thermal stability with gradual weight loss up to $200^{\circ}C$. The proton conductivity of SPAEK block copolymer reached the maximum of $9.0mS\;cm^{-1}$ at $90^{\circ}C$ under 100% relative humidity (RH). From the observed results, it is necessary to do more aggressive attempt to study the possibility of application as an ion-conductive composite electrolyte.
Keywords
polymer electrolyte membrane; poly(arylene ether ketone); PEMFC;
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