고분자 전해질막 수전해(PEMWE)용 SPEEK 막의 어닐링에 의한 내구성 향상
As Europe regulates perfluoroalkyl substances, efforts are underway to replace fluorinated polymer electrolyte membrane water electrolysis (PEMWE) membranes with hydrocarbon-based alternatives. However, hydrocarbon membranes like sulfonated poly ether ether ketone (SPEEK) face challenges of lower pe...
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| Published in | 한국수소 및 신에너지학회 논문집 Vol. 36; no. 1; pp. 75 - 82 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Korean |
| Published |
한국수소및신에너지학회
01.02.2025
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1738-7264 2288-7407 |
| DOI | 10.7316/JHNE.2025.36.1.75 |
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| Abstract | As Europe regulates perfluoroalkyl substances, efforts are underway to replace fluorinated polymer electrolyte membrane water electrolysis (PEMWE) membranes with hydrocarbon-based alternatives. However, hydrocarbon membranes like sulfonated poly ether ether ketone (SPEEK) face challenges of lower performance and durability compared to fluorinated counterparts. This study focused on enhancing SPEEK membrane durability through annealing. SPEEK membranes were fabricated with varying annealing times (0-24 hours) at 140℃, and their properties were analyzed. As a result of annealing, the initial performance improved by 32-35%, and -S-O-S- crosslinking was formed through annealing, significantly enhancing the membrane durability. The SPEEK membrane annealed for 24 hours exhibited over six times greater durability compared to the non-annealed version, demonstrating potential as a viable hydrocarbon-based PEMWE membrane alternative. |
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| AbstractList | As Europe regulates perfluoroalkyl substances, efforts are underway to replace fluorinated polymer electrolyte membrane water electrolysis (PEMWE) membranes with hydrocarbon-based alternatives. However, hydrocarbon membranes like sulfonated poly ether ether ketone (SPEEK) face challenges of lower performance and durability compared to fluorinated counterparts. This study focused on enhancing SPEEK membrane durability through annealing. SPEEK membranes were fabricated with varying annealing times (0-24 hours) at 140℃, and their properties were analyzed. As a result of annealing, the initial performance improved by 32-35%, and -S-O-S- crosslinking was formed through annealing, significantly enhancing the membrane durability. The SPEEK membrane annealed for 24 hours exhibited over six times greater durability compared to the non-annealed version, demonstrating potential as a viable hydrocarbon-based PEMWE membrane alternative. As Europe regulates perfluoroalkyl substances, efforts are underway to replace fluorinated polymer electrolyte membrane water electrolysis (PEMWE) membranes with hydrocarbon-based alternatives. However, hydrocarbon membranes like sulfonated poly ether ether ketone (SPEEK) face challenges of lower performance and durability compared to fluorinated counterparts. This study focused on enhancing SPEEK membrane durability through annealing. SPEEK membranes were fabricated with varying annealing times (0-24 hours) at 140℃, and their properties were analyzed. As a result of annealing, the initial performance improved by 32-35%, and -S-O-S- crosslinking was formed through annealing, significantly enhancing the membrane durability. The SPEEK membrane annealed for 24 hours exhibited over six times greater durability compared to the non-annealed version, demonstrating potential as a viable hydrocarbon-based PEMWE membrane alternative. KCI Citation Count: 0 |
| Author | 유동근 DONGGEUN YOO 박권필 이미화 MIHWA LEE KWONPIL PARK |
| Author_xml | – sequence: 1 fullname: 이미화 – sequence: 2 fullname: 유동근 – sequence: 3 fullname: 박권필 – sequence: 4 fullname: MIHWA LEE – sequence: 5 fullname: DONGGEUN YOO – sequence: 6 fullname: KWONPIL PARK |
| BackLink | https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART003176165$$DAccess content in National Research Foundation of Korea (NRF) |
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| Title | 고분자 전해질막 수전해(PEMWE)용 SPEEK 막의 어닐링에 의한 내구성 향상 |
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