期刊
APPLIED CATALYSIS A-GENERAL
卷 527, 期 -, 页码 45-52出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2016.08.018
关键词
Hydrogen production; Ammonia borane; Ru nanoparticles; Metal complex; Nanoparticle size
资金
- Japan Society for the Promotion of Science (JSPS) [26220911, 25289289, 26630409, 26620194]
- MEXT
- Grants-in-Aid for Scientific Research [15K18270, 26220911] Funding Source: KAKEN
Highly efficient carbon-supported Ru catalysts towards the H-2 production from the ammonia borane (AB: NH3BH3) hydrolysis reaction have been developed by using tri(2,2'-bipyridyl) ruthenium (II) chloride hexahydrate as metal precursor. Different temperatures were used to decompose the metal precursor, which afford the preparation of various nanoparticles sizes, ranging from 3.8 to 13.5 nm. The catalytic results revealed that both geometric and electronic features of the metal nanoparticles are crucial to attain optimum catalytic activity towards the H2 production from the hydrolysis of AB. The optimum catalyst under the experimental condition used was that prepared at 800 degrees C, which efficiently boosts the hydrolysis of AB, achieving an average TOF number of 670 mol H-2/mol metal min, which is among the highest values ever reported for a monometallic Ru catalyst in this reaction up to date. (C) 2016 Elsevier B.V. All rights reserved.
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