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钙促进的Ni/SiO催化剂上甲酸分解制氢：钙含量的影响

Hydrogen Production by Formic Acid Decomposition over Ca Promoted Ni/SiO Catalysts: Effect of the Calcium Content.

作者信息

Faroldi B, Paviotti M A, Camino-Manjarrés M, González-Carrazán S, López-Olmos C, Rodríguez-Ramos I

机构信息

Instituto de Catálisis y Petroleoquímica, CSIC, C/Marie Curie 2, 28049 Madrid, Spain.

Instituto de Investigaciones en Catálisis y Petroquímica (INCAPE-CONICET), Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santiago del Estero 2829, Santa Fe 3000, Argentina.

出版信息

Nanomaterials (Basel). 2019 Oct 25;9(11):1516. doi: 10.3390/nano9111516.

DOI:10.3390/nano9111516
PMID:31731409
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6915354/
Abstract

Formic acid, a major product of biomass processing, is regarded as a potential liquid carrier for hydrogen storage and delivery. The catalytic dehydrogenation of FA to generate hydrogen using heterogeneous catalysts is of great interest. Ni based catalysts supported on silica were synthesized by incipient wet impregnation. The effect of doping with an alkaline earth metal (calcium) was studied, and the solids were tested in the formic acid decomposition reaction to produce hydrogen. The catalysts were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), temperature-programmed reduction (TPR), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), and programmed temperature surface reaction (TPSR). The catalyst doped with 19.3 wt.% of Ca showed 100% conversion of formic acid at 160 °C, with a 92% of selectivity to hydrogen. In addition, all the tested materials were promising for their application, since they showed catalytic behaviors (conversion and selectivity to hydrogen) comparable to those of noble metals reported in the literature.

摘要

甲酸是生物质加工的主要产物，被视为一种潜在的储氢和输氢液体载体。使用多相催化剂催化甲酸脱氢制氢备受关注。通过初湿浸渍法合成了负载在二氧化硅上的镍基催化剂。研究了掺杂碱土金属（钙）的效果，并在甲酸分解制氢反应中对固体进行了测试。通过X射线衍射（XRD）、X射线光电子能谱（XPS）、程序升温还原（TPR）、傅里叶变换红外光谱（FTIR）、透射电子显微镜（TEM）和程序升温表面反应（TPSR）对催化剂进行了表征。掺杂19.3 wt.%钙的催化剂在160℃时甲酸转化率达100%，对氢气的选择性为92%。此外，所有测试材料都具有应用前景，因为它们表现出的催化行为（对氢气的转化率和选择性）与文献报道的贵金属相当。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/89d65756df57/nanomaterials-09-01516-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/c927b82975b4/nanomaterials-09-01516-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/9b9c4cda5d4b/nanomaterials-09-01516-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/d25c4be3873a/nanomaterials-09-01516-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/4a5f7ea001df/nanomaterials-09-01516-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/61b690ccd471/nanomaterials-09-01516-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/ebcc08139b44/nanomaterials-09-01516-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/84f3d31814a5/nanomaterials-09-01516-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/89d65756df57/nanomaterials-09-01516-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/da81a7bc89f8/nanomaterials-09-01516-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/cb674e64e417/nanomaterials-09-01516-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/25f0e3c0f20d/nanomaterials-09-01516-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/114bb5bbcfaf/nanomaterials-09-01516-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/6eebea23c862/nanomaterials-09-01516-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/c927b82975b4/nanomaterials-09-01516-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/9b9c4cda5d4b/nanomaterials-09-01516-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/d25c4be3873a/nanomaterials-09-01516-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/4a5f7ea001df/nanomaterials-09-01516-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/61b690ccd471/nanomaterials-09-01516-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/ebcc08139b44/nanomaterials-09-01516-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/84f3d31814a5/nanomaterials-09-01516-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b67/6915354/89d65756df57/nanomaterials-09-01516-g013.jpg

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Sci Rep. 2012;2:598. doi: 10.1038/srep00598. Epub 2012 Aug 23.
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Development of Mo-Modified Pseudoboehmite Supported Ni Catalysts for Efficient Hydrogen Production from Formic Acid.用于甲酸高效制氢的钼改性拟薄水铝石负载镍催化剂的研制
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Pd-C Catalytic Thin Films Prepared by Magnetron Sputtering for the Decomposition of Formic Acid.通过磁控溅射制备的用于甲酸分解的钯 - 碳催化薄膜
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Application of New Nanoparticle Structures as Catalysts.新型纳米颗粒结构作为催化剂的应用。
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