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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2017.27.5.425

Preparation and Characterization of Anion Exchange Membrane Based on Crosslinked Poly(2,6-dimethyl-1,4-phenylene oxide) with Spacer-type Conducting Group  

Lim, Haeryang (Organic Material Synthesis Laboratory, Department of Chemistry, Incheon National University)
Kim, Tae-Hyun (Organic Material Synthesis Laboratory, Department of Chemistry, Incheon National University)
Publication Information
Membrane Journal / v.27, no.5, 2017 , pp. 425-433 More about this Journal
Abstract
As the problems related to the environmental pollution such as carbon dioxide emission are emerging, the need for the renewable energy and environmentally friendly energy is getting intense. Fuel cells are eco-friendly energy generation devices that generate electrical energy and produce water as a sole by-product. Compared to the traditional proton exchange membrane fuel cell (PEMFC), anion exchange membrane alkaline fuel cell (AEMAFC) has a main advantage of possibility to use low cost metal catalysts due to its faster kinetics. The AEM, which conducts $OH^-$ ions, should possess high ion conductivity as well as high chemical stability at high pH conditions. We hereby introduce a crosslinked poly(2,6-dimethyl-1,4-phenylene oxide) having a spacer-type conducting group as novel AEM, and report a high ion conductivity ($67.9mScm^{-1}$ at $80^{\circ}C$) and mechanical properties (Young's modulus : 0.53 GPa) as well as chemical stability (6.8% IEC loss at $80^{\circ}C$ for 1,000 h,) for the developed membrane.
Keywords
anion exchange membrane; PPO; acylation; crosslinking; alkaline stability;
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