Electrochemical Reduction of Silicon Oxide and Codeposition of Al-Si Alloy from Cryolite Molten Salt
| العنوان: | Electrochemical Reduction of Silicon Oxide and Codeposition of Al-Si Alloy from Cryolite Molten Salt |
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| المؤلفون: | Yifan Zhang, Zhaowen Wang, Jiaxin Yang, Jiangyu Yu, Wenju Tao, Liyu Chen, Jingui He |
| المصدر: | JOM. 73:3727-3733 |
| بيانات النشر: | Springer Science and Business Media LLC, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Materials science, Silicon, Precipitation (chemistry), Alloy, technology, industry, and agriculture, General Engineering, chemistry.chemical_element, engineering.material, equipment and supplies, Cryolite, chemistry.chemical_compound, chemistry, Chemical engineering, engineering, General Materials Science, Molten salt, Cyclic voltammetry, Silicon oxide, Eutectic system |
| الوصف: | The preparation of high-purity and high-value alloys is of great significance to industrial production. The purpose of this study is to explore the process of producing aluminum-silicon (Al-Si) alloy by the electrochemical Al-Si eutectoid method. The electrochemical behavior of aluminum and silicon on tungsten electrode was studied by cyclic voltammetry and galvanostatic chronopotentiometry. The effect of SiO2 addition on the eutectoid behavior of Al and Si was studied. The results show that the precipitation potential of Al is about –1.35 V (versus Pt), and the initial precipitation potential of Si is about –0.8 V (versus Pt). The precipitation process of silicon includes two reduction stages. In addition, the precipitation of Si is a quasireversible reaction controlled by diffusion process. Finally, Al-Si alloy was obtained by potentiostatic electrodeposition at –1.8 V potential, indicating that Al and Si would codeposit at this potential. |
| تدمد: | 1543-1851 1047-4838 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::b9e3d892463b1a5aa686b1c8bd6c5755 https://doi.org/10.1007/s11837-021-04849-x |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........b9e3d892463b1a5aa686b1c8bd6c5755 |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 15431851 10474838 |
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