Chemical Degradation of Commercial Polymer Electrolyte Membrane for Vanadium Redox Flow Battery (VRFB)
Durability test of commercial polymer electrolyte membranes investigated because longer performance of VRFB depends on the membrane's chemical stability. For hydrolytic stability test, distilled water and membrane was placed in the pressurized container, activated for 24 h at 200 °C
to check the weight loss, and distilled water's pH change. To confirm the chemical degradation, the membrane was impregnated in 0.1 M V(V) solution for 72 h and concentration change was measured by UV-vis Spectrum. Through this experiment, anion exchange membrane in VRFB is considered in terms
of chemical degradation.
Keywords: Chemical Degradation; Membrane; Proton Conductivity; Vanadium Flow Battery
Document Type: Research Article
Affiliations: 1: Department of Environment and Energy Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea 2: Department of Environmental Education, Mokpo National University, Mokpo, 58554, Republic of Korea 3: College of General Education, Chosun University, Gwangju 61452, Republic of Korea 4: School of Mechanical Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea 5: Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
Publication date: 01 August 2017
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