Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Synthesis and Characterization of Ion Exchange Particles for Application of Anion Exchange Membrane

음이온교환막 적용을 위한 이온교환입자의 합성 및 특성평가

  • Dong Jun Lee (Department of materials Engineering and Convergence Technology, Gyeongsang National University) ;
  • Kwang Seop Im (Department of materials Engineering and Convergence Technology, Gyeongsang National University) ;
  • Ka Yeon Ryu (Research Institute for Green Energy Convergence Technology, Gyeongsang National University) ;
  • Sang Yong Nam (Department of materials Engineering and Convergence Technology, Gyeongsang National University)
  • 이동준 (경상국립대학교 나노신소재융합공학과) ;
  • 임광섭 (경상국립대학교 나노신소재융합공학과) ;
  • 류가연 (경상국립대학교 그린에너지융합연구소) ;
  • 남상용 (경상국립대학교 나노신소재융합공학과)
  • Received : 2023.06.12
  • Accepted : 2023.06.26
  • Published : 2023.06.30
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Abstract

In this study, Br-PPO was developed by applying additive organic particles through a suspension polymerization synthesis method. The anion exchange membrane fuel cell system performance was evaluated using it to an anion exchange membrane. To improve the performance, organic ion exchange particles were prepared and added to the anion exchange membrane. Chemical structure analysis and synthesis were determined through FT-IR and NMR, and tensile strength and thermal stability were measured through TGA and UTM to determine whether it could be driven. Before the anion exchange membrane fuel cell test, the performance was evaluated by measuring the ion conductivity and ion exchange capacity. Finally, the Br-PPO-TMA-SDV (0.7%) anion exchange membrane with excellent ion conductivity and ion exchange capacity was introduced into the fuel cell system. Its performance was compared with FAA-3-50, a commercial membrane, to determine whether it could be introduced into a fuel cell system.

본 연구에서는 현탁중합을 통해 이온교환입자를 합성하였다. 또한 음이온 교환막을 제조하기 위해 brominated poly(phenylene oxide) (Br-PPO)로 교환막 합성을 진행하였으며, 합성한 이온교환입자를 Br-PPO에 첨가하여 음이온 교환막에 성능을 향상시키고자 하였고, 이를 적용하여 음이온 교환막 연료전지 시스템의 성능 평가를 진행했다. 이온교환입자는 FT-IR, TGA 및 UTM을 통해 구조 분석, 열적 기계적 특성을 평가하였다. Br-PPO는 NMR을 통해 화학적 구조 분석 및 합성여부를 확인하였고, 음이온 교환막 연료 전지 셀 테스트를 진행하기 전 이온전도도와 이온교환용량, 팽윤도 및 수분함수율을 측정해 연구되고 있는 다른 음이온 교환막들과 비교를 통해 성능을 평가했다. 최종적으로 가장 성능이 우수했던 이온교환입자를 0.7 wt%를 첨가한 Br-PPO-TMA- SDV 음이온 교환막을 연료전지 시스템에 도입하여 상용 막인 FAA-3-50과 성능을 비교했다.

Keywords

Acknowledgement

이 논문은 2022년도 정부(교육부)의 재원으로 한국연구재단 기초연구사업의 지원을 받아 수행된 연구임(No. NRF-2021M1A2A2038115) 그리고 이 논문은 2022년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업임 (No.2020R1A6A03038697)

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