Synergistically promoted H2 evolution from dimethylamine-borane and hydrazine monohydrate by simply alloying of Pt/C with Ni
Synergistically promoted H2 evolution from dimethylamine-borane and hydrazine monohydrate by simply alloying of Pt/C with Ni
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DOI：
10.1016/j.fuel.2021.121433
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发表时间：
2021-11
期刊：
影响因子：
7.4
通讯作者：
Fuhua Xu;Xiang Liu
中科院分区：
文献类型：
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作者：
Fuhua Xu;Xiang Liu
在本研究中，我们首次报道了一种新的策略，协同促进从二甲胺硼烷和一水合肼的析氢通过简单的合金化Pt/C与非贵金属（包括Fe，Co，Ni和Cu）。其中，NiPt/C的TOF值最高，为4151.7 mol（H2）·molcat-1·h-1，是Pt/C的7.2倍。事实上，DMAB水解的Ea已经从56.34 kJ/mol（Pt/C）迅速降低到39.97 kJ/mol（NiPt/C），通过简单地将Pt/C与Ni合金化。有趣的是，NiPt/C在一水合肼的析氢反应中也表现出了优异的上级催化活性，TOF为1012.2 mol（H2）·molPt-1·h-1，而仅有Pt/C的催化剂不起作用。本研究为设计相对低成本、高性能的功能性纳米复合材料提供了一种新的有效策略。
In this study, we first report a new strategy for synergistically promoting H2evolution from dimethylamine-borane and hydrazine monohydrate by simply alloying of Pt/C with non-noble metal (including Fe, Co, Ni and Cu). Among them, NiPt/C exhibits the highest TOF value of 4151.7 mol(H2)·molcat−1·h−1, which is 7.2 times as that of Pt/C. Indeed, theEaof the DMAB hydrolysis has been rapidly decreased from 56.34 kJ/mol (Pt/C) to 39.97 kJ/mol (NiPt/C), via simply alloying of Pt/C with Ni. Interestingly, NiPt/C also presents the superior catalytic activity in H2evolution from hydrazine monohydrate, with a TOF of 1012.2 mol(H2)·molPt−1·h−1, whereas the only Pt/C does not work. This present work could provide a novel and efficient strategy for designing relative low-cost and high-performance and functional bimetallic nanocomposites for practice.