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Achieving Ultra-Stable Hydrogen Isotope Separation Over 5000 Cycles With a High-Loading Pd/Al2O3 Composite
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Abstract
En 中文
This study successfully prepared a high-palladium (Pd)-loading (51 wt%) Pd/Al2O3 composite through multiple wet impregnation. The material exhibited excellent hydrogen isotope separation performance, with metal-support interactions endowing it with a higher plateau pressure and lower desorption temperature. Additionally, the composite demonstrated outstanding long-term cycling stability, maintaining its capacity over 5000 hydrogen absorption-desorption cycles without degradation. This exceptional cyclability is attributed to the nano-confinement effect of the Al2O3 support, which effectively suppresses the pulverization of Pd particles and preserves their structural integrity. Overall, these findings highlight the potential of high-loading Pd/Al2O3 composites as durable and efficient materials for hydrogen isotope separation in nuclear fusion applications. (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(51 wt%)(sic)Pd/Al2O3(sic)(sic)(sic)(sic).(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic),(sic)(sic)-(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic).(sic)(sic),(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic),(sic)5000(sic)(sic)(sic)/(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic).(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)Al2O3(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic),(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)Pd(sic)(sic)(sic)(sic)(sic),(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic).(sic)(sic)(sic)(sic),(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)Pd/Al2O3(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic).
Keywords:
hydrogen isotope separation
long-term cyclic stability
metal-support interaction
AI Summary
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