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001048905 041__ $$aEnglish
001048905 1001_ $$0P:(DE-Juel1)191434$$aRameker, Robert$$b0$$eFirst author$$ufzj
001048905 1112_ $$aH2giga Abschlusskonferenz$$cFrankfurt$$d2025-07-02 - 2025-07-03$$wGermany
001048905 245__ $$aA novel perspective on “Fenton-like” degradation studies on proton exchange membranes
001048905 260__ $$c2025
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001048905 520__ $$aUnderstanding membrane degradation under realistic conditions is critical to improve the lifetime and commercial viability of PEM electrolyzers. This study re-evaluates conventional ex-situ Fenton degradation tests, which simulate long-term radical-driven membrane damage using high concentrations of Fe²⁺ and H₂O₂. This study focuses on evaluating their relevance to in-operando degradation mechanisms and to gain an in-depth understanding of morphological and chemical degradation processes. By combining microscopic, spectroscopic, and electrochemical analyses, it is observed that morphological damage from oxygen evolution, rather than radical-induced chain scission, dominates under “Fenton-like” AST conditions. This challenges current AST design and motivates revised protocols aligned with true PEM electrolyzer operation.
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001048905 536__ $$0G:(DE-Juel1)HITEC-20170406$$aHITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406)$$cHITEC-20170406$$x1
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001048905 7001_ $$0P:(DE-Juel1)184377$$aPoc, J.-P.$$b1$$eFirst author$$ufzj
001048905 7001_ $$0P:(DE-Juel1)169518$$aJovanovic, S.$$b2$$eCorresponding author$$ufzj
001048905 7001_ $$0P:(DE-Juel1)199787$$aOeß, C.$$b3$$ufzj
001048905 7001_ $$0P:(DE-Juel1)201441$$aLiu, Jialiang$$b4$$ufzj
001048905 7001_ $$0P:(DE-Juel1)186098$$aSpeer, S.$$b5$$ufzj
001048905 7001_ $$0P:(DE-Juel1)196067$$aFröhlich, K.$$b6$$ufzj
001048905 7001_ $$0P:(DE-Juel1)185897$$aDaniel, D. T.$$b7$$ufzj
001048905 7001_ $$0P:(DE-Juel1)180853$$aPark, J.$$b8$$ufzj
001048905 7001_ $$0P:(DE-Juel1)180432$$aBasak, S.$$b9$$ufzj
001048905 7001_ $$0P:(DE-Juel1)191359$$aKarl, A.$$b10$$ufzj
001048905 7001_ $$0P:(DE-Juel1)161579$$aJodat, E.$$b11$$ufzj
001048905 7001_ $$0P:(DE-Juel1)156123$$aEichel, R.-A.$$b12$$ufzj
001048905 7001_ $$0P:(DE-Juel1)162401$$aGranwehr, J.$$b13$$ufzj
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001048905 9141_ $$y2025
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