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以纳米约束和催化复合改性NaAlH4储氢性能的研究的开题报告

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精品文档---下载后可任意编辑以纳米约束和催化复合改性 NaAlH4 储氢性能的讨论的开题报告题目:以纳米约束和催化复合改性 NaAlH4 储氢性能的讨论摘要:针对目前氢能技术需要面临的储氢问题,讨论了以纳米约束和催化复合改性 NaAlH4 储氢性能的影响因素。通过文献调研和实验方法,深化了对 NaAlH4 储氢机理和进展方向的理解。在实验过程中,将 NaAlH4 粉末经过高温等离子体球磨制备成纳米粉体,然后利用溶液浸渍法和固体球磨法对粉末进行改性,并进行了物理性质和储氢性能的测试,探讨了催化复合改性对 NaAlH4 储氢性质的影响。结果表明,NaAlH4 粉末经过纳米约束和催化复合改性后,其储氢性能得到了显著提升,同时也发现了一些限制储氢性能的因素。本讨论的结果对于进一步提高 NaAlH4 储氢性质和促进氢能技术进展具有参考意义。关键词:储氢,NaAlH4,纳米约束,催化复合改性,氢能技术Abstract: In view of the current hydrogen energy technology facing the problem of hydrogen storage, the factors affecting the hydrogen storage performance of NaAlH4 modified by nanoconfinement and catalytic composite were studied. Through literature research and experimental methods, the understanding of the hydrogen storage mechanism and development direction of NaAlH4 has been deepened. In the experimental process, NaAlH4 powder was prepared into nano-powder by high temperature plasma ball milling, and then the modified powder was prepared by solution impregnation method and solid ball milling method. The physical properties and hydrogen storage performance were tested, and the influence of catalytic composite modification on the hydrogen storage properties of NaAlH4 was discussed. The results showed that the hydrogen storage performance of NaAlH4 powder was significantly improved after nanoconfinement and catalytic composite modification, and some factors that limited the hydrogen storage performance were also found. The results of this study have reference significance for further improving the hydrogen storage properties of NaAlH4 and promoting the development of hydrogen energy technology.Keywords: Hydrogen storage, NaAlH4, Nanoconfinement, Catalytic composite modification, Hydrogen energy technology

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以纳米约束和催化复合改性NaAlH4储氢性能的研究的开题报告

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