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通过简便的合成化学溶剂萃取法制备水钒铝矿

Preparation of Volborthite by a Facile Synthetic Chemical Solvent Extraction Method.

作者信息

Sánchez-Loredo María Guadalupe, Palomares-Sánchez Salvador Antonio, Labrada-Delgado Gladis Judith, Helbig Toni, Chekhonin Paul, Ebert Doreen, Möckel Robert, Owusu Afriyie Jones, Kelly Norman

机构信息

Helmholtz-Zentrum Dresden-Rossendorf e.V., Helmholtz-Institut Freiberg für Ressourcentechnologie, Chemnitzer Str. 40, 09599 Freiberg, Germany.

Instituto de Metalurgia, Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Sierra Leona 550, San Luis Potosí 78210, Mexico.

出版信息

Nanomaterials (Basel). 2023 Jun 29;13(13):1977. doi: 10.3390/nano13131977.

DOI:10.3390/nano13131977
PMID:37446493
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10343262/
Abstract

In this work, the extraction of vanadium (V) ions from an alkaline solution using a commercial quaternary ammonium salt and the production of metal vanadates through precipitation stripping were carried out. The crystallization of copper vanadates from the extracts was performed using a solution containing a copper(II) source in concentrated chloride media as a stripping agent. In an attempt to control growth, a stabilizing polymer (polyvinylpyrrolidone, PVP) was added to the stripping solution. The structural characteristics of the crystallized products, mainly copper pyrovanadate (volborthite, CuVO(OH)·(HO)) nanoflakes and nanoflowers and the experimental parameter influencing the efficiency of the stripping process were studied. From the results, the synthesis of nanostructured vanadates is a simple and versatile method for the fabrication of valuable three-dimensional structures providing abundant active zones for energy and catalytic applications.

摘要

在这项工作中，使用市售季铵盐从碱性溶液中萃取钒（V）离子，并通过沉淀反萃法制备金属钒酸盐。使用在浓氯化物介质中含有铜（II）源的溶液作为反萃剂，从萃取物中结晶出铜钒酸盐。为了控制晶体生长，向反萃溶液中加入了一种稳定聚合物（聚乙烯吡咯烷酮，PVP）。研究了结晶产物的结构特征，主要是焦钒酸铜（水钒铜矿，CuVO(OH)·(H₂O)）纳米片和纳米花，以及影响反萃过程效率的实验参数。结果表明，纳米结构钒酸盐的合成是一种简单且通用的方法，可用于制造有价值的三维结构，为能量和催化应用提供丰富的活性区域。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/7ebda47f3f48/nanomaterials-13-01977-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/1ef17aa6a085/nanomaterials-13-01977-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/d0e2319e0244/nanomaterials-13-01977-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/84ff8914e0b3/nanomaterials-13-01977-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/1474d2203b87/nanomaterials-13-01977-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/c22ddde4b6c5/nanomaterials-13-01977-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/7ebda47f3f48/nanomaterials-13-01977-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/1ef17aa6a085/nanomaterials-13-01977-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/d0e2319e0244/nanomaterials-13-01977-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/84ff8914e0b3/nanomaterials-13-01977-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/1474d2203b87/nanomaterials-13-01977-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/c22ddde4b6c5/nanomaterials-13-01977-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7be/10343262/7ebda47f3f48/nanomaterials-13-01977-g006.jpg

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Facile and Scalable Synthesis of ZnVO(OH)·2HO Microflowers as a High-Performance Anode for Lithium-Ion Batteries.
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ACS Appl Mater Interfaces. 2017 Aug 23;9(33):27707-27714. doi: 10.1021/acsami.7b06996. Epub 2017 Aug 8.
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