Preparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature
High hydro-active Al-3Ga-3In-3Sn alloys were prepared by coupling alloying and mechanical milling methods. NiCl<sub>2</sub> was added to the alloy during ball milling as the catalyst. XRD, SEM, and XAFS were used for the characterization of the hydro-active alloy. The hydrogen generation...
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MDPI AG
2021
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oai:doaj.org-article:5837c267b22f446fb2e038a731dea4d72021-11-25T18:21:21ZPreparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature10.3390/met111117042075-4701https://doaj.org/article/5837c267b22f446fb2e038a731dea4d72021-10-01T00:00:00Zhttps://www.mdpi.com/2075-4701/11/11/1704https://doaj.org/toc/2075-4701High hydro-active Al-3Ga-3In-3Sn alloys were prepared by coupling alloying and mechanical milling methods. NiCl<sub>2</sub> was added to the alloy during ball milling as the catalyst. XRD, SEM, and XAFS were used for the characterization of the hydro-active alloy. The hydrogen generation properties were systematically investigated in tap water at room temperature. The results show that the hydrogen generation rate is 11.02 L∙min<sup>−1</sup>∙g<sup>−1,</sup> and the conversion yield is 90.25% for the Al-3Ga-3In-3Sn-2NiCl<sub>2</sub> composite with a ball milling time of 2 h at room temperature in tap water. The hydrolysis reaction contains the expansion of the Al-based phase into a nano-sized layer and the further hydrolysis reaction of the layered Al phase with water. The activation mechanism was also investigated, and the activation of Al was attributed to the Al-Ni galvanic with the existing Cl<sup>−</sup>, which leads to a faster hydrolysis reaction rate for ball-milled powder with NiCl<sub>2</sub>.Shuo WangLixiang ZhuLichen ZhangXiaodong ZhangXiaoxuan WangMengchen GeXiaodong LiMeishuai ZouMDPI AGarticlealloying and ball millingAl alloy powderXAFShydrogen generationMining engineering. MetallurgyTN1-997ENMetals, Vol 11, Iss 1704, p 1704 (2021) |
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alloying and ball milling Al alloy powder XAFS hydrogen generation Mining engineering. Metallurgy TN1-997 |
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alloying and ball milling Al alloy powder XAFS hydrogen generation Mining engineering. Metallurgy TN1-997 Shuo Wang Lixiang Zhu Lichen Zhang Xiaodong Zhang Xiaoxuan Wang Mengchen Ge Xiaodong Li Meishuai Zou Preparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature |
description |
High hydro-active Al-3Ga-3In-3Sn alloys were prepared by coupling alloying and mechanical milling methods. NiCl<sub>2</sub> was added to the alloy during ball milling as the catalyst. XRD, SEM, and XAFS were used for the characterization of the hydro-active alloy. The hydrogen generation properties were systematically investigated in tap water at room temperature. The results show that the hydrogen generation rate is 11.02 L∙min<sup>−1</sup>∙g<sup>−1,</sup> and the conversion yield is 90.25% for the Al-3Ga-3In-3Sn-2NiCl<sub>2</sub> composite with a ball milling time of 2 h at room temperature in tap water. The hydrolysis reaction contains the expansion of the Al-based phase into a nano-sized layer and the further hydrolysis reaction of the layered Al phase with water. The activation mechanism was also investigated, and the activation of Al was attributed to the Al-Ni galvanic with the existing Cl<sup>−</sup>, which leads to a faster hydrolysis reaction rate for ball-milled powder with NiCl<sub>2</sub>. |
format |
article |
author |
Shuo Wang Lixiang Zhu Lichen Zhang Xiaodong Zhang Xiaoxuan Wang Mengchen Ge Xiaodong Li Meishuai Zou |
author_facet |
Shuo Wang Lixiang Zhu Lichen Zhang Xiaodong Zhang Xiaoxuan Wang Mengchen Ge Xiaodong Li Meishuai Zou |
author_sort |
Shuo Wang |
title |
Preparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature |
title_short |
Preparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature |
title_full |
Preparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature |
title_fullStr |
Preparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature |
title_full_unstemmed |
Preparation of Al-3Ga-3In-3Sn Alloy Powder by Coupling Alloying and Ball Milling and Its Application on High-Rate Hydrogen Generation at Room Temperature |
title_sort |
preparation of al-3ga-3in-3sn alloy powder by coupling alloying and ball milling and its application on high-rate hydrogen generation at room temperature |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/5837c267b22f446fb2e038a731dea4d7 |
work_keys_str_mv |
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