Yousef Ayman
Department of Chemical Engineering, College of Engineering and Computer Science, Jazan University, Jazan 45142, Saudi Arabia.
Engineering and Technology Research Center, Jazan University, P.O. Box 114, Jazan 82817, Saudi Arabia.
Polymers (Basel). 2024 Oct 15;16(20):2908. doi: 10.3390/polym16202908.
The catalytic dehydrogenation of NaBH for the generation of H has a lot of potential as a reliable and achievable approach to make H, which could be used as a safe and cost-effective energy source in the near future. This work describes the production of unique trimetallic NiCrPd-decorated carbon nanofiber (NiCrPd-decorated CNF) catalysts using electrospinning. The catalysts demonstrated exceptional catalytic activity in generating H through NaBH dehydrogenation. The catalysts were characterized using SEM, XRD, TEM, and TEM-EDX analyses. NiCrPd-decorated CNF formulations have shown higher catalytic activity in the dehydrogenation of NaBH4 compared with NiCr-decorated CNFs. It is likely that the better catalytic performance is because the three metals in the NiCrPd-decorated CNF structure interact with each other. Furthermore, the NiCrPd-decorated CNFs catalyzed the dehydrogenation of NaBH with an activation energy (E) of 26.55 KJ/mol. The kinetics studies showed that the reaction is first-order dependent on the dose of NiCrPd-decorated CNFs and zero-order dependent on the concentration of NaBH.
通过硼氢化钠催化脱氢产氢作为一种可靠且可行的制氢方法具有很大潜力，在不久的将来，氢气可作为一种安全且经济高效的能源。这项工作描述了使用静电纺丝制备独特的三金属镍铬钯修饰的碳纳米纤维（NiCrPd修饰的CNF）催化剂。这些催化剂在通过硼氢化钠脱氢产氢过程中表现出卓越的催化活性。使用扫描电子显微镜（SEM）、X射线衍射（XRD）、透射电子显微镜（TEM）和透射电子显微镜-能谱分析（TEM-EDX）对催化剂进行了表征。与NiCr修饰的CNF相比，NiCrPd修饰的CNF配方在硼氢化钠脱氢反应中表现出更高的催化活性。更好的催化性能可能是因为NiCrPd修饰的CNF结构中的三种金属相互作用。此外，NiCrPd修饰的CNF催化硼氢化钠脱氢的活化能（E）为26.55千焦/摩尔。动力学研究表明，该反应对NiCrPd修饰的CNF剂量呈一级依赖，对硼氢化钠浓度呈零级依赖。
