scholarly journals Impact of Synthesis Method on Phase Transformations of Layered Lithium Vanadium Oxide upon Electrochemical (De)lithiation

2019 ◽  
Vol 166 (4) ◽  
pp. A771-A778 ◽  
Author(s):  
Qing Zhang ◽  
Shiyu Yue ◽  
Calvin D. Quilty ◽  
Jing Li ◽  
Shihui Zou ◽  
...  
Keyword(s):  
Vanadium Oxide ◽  
Phase Transformations ◽  
Synthesis Method ◽  
Lithium Vanadium Oxide

Preparation, characterization, and electrochemical properties of lithium vanadium oxide nanoribbons

2011 ◽  
Vol 56 (18) ◽  
pp. 6453-6458 ◽  
Author(s):  
Shu-juan Zhuo ◽  
Ming-wang Shao ◽  
Qing Zhou ◽  
Fan Liao
Keyword(s):  
Vanadium Oxide ◽  
Electrochemical Properties ◽  
Lithium Vanadium Oxide

Lithium/lithium vanadium oxide secondary batteries

1985 ◽  
Vol 15 (1) ◽  
pp. 13-25 ◽  
Author(s):  
G. Pistola ◽  
M. Pasquali ◽  
M. Tocci ◽  
V. Manev ◽  
R.V. Moshtev
Keyword(s):  
Vanadium Oxide ◽  
Lithium Vanadium Oxide

Novel Method for Synthesis of γ-Lithium Vanadium Oxide as Cathode Materials in Lithium Ion Batteries

1999 ◽  
Vol 11 (11) ◽  
pp. 3086-3090 ◽  
Author(s):  
Jinxiang Dai ◽  
Sam F. Y. Li ◽  
Zhiqiang Gao ◽  
Kok Siong Siow
Keyword(s):  
Vanadium Oxide ◽  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Lithium Ion ◽  
Lithium Vanadium Oxide ◽  
Novel Method

scholarly journals Hierarchical H-MOR Zeolite Supported Vanadium Oxide for Dimethyl Ether Direct Oxidation

Catalysts ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 628 ◽  
Author(s):  
Wenfeng Wang ◽  
Xiujuan Gao ◽  
Ru Feng ◽  
Qi Yang ◽  
Tao Zhang ◽  
...  
Keyword(s):  
Vanadium Oxide ◽  
Pore Structure ◽  
Dimethyl Ether ◽  
Active Sites ◽  
Synthesis Method ◽  
Product Distribution ◽  
Acid Sites ◽  
Synthesis Methods ◽  
Direct Oxidation ◽  
Post Synthesis

A series of hierarchical H-MOR zeolites with different pore structure were designed and synthesized by alkaline and alkaline-acid post-synthesis methods. The catalytic performance of hierarchical H-MOR zeolite-supported vanadium oxide was investigated for dimethyl ether (DME) direct oxidation. Different pore structures apparently affect the distribution of oxidation product distribution, especially the selectivity of DMMx and CO. The formation of mesopores for 10%V2O5/deAlmm-H-MOR markedly improved the DMMx selectivity up to 78.2% from 60.0%, and more notably, CO selectivity dropped to zero compared to that of 10%V2O5/H-MOR. The hierarchical H-MOR zeolites were confirmed to be successfully prepared by the post-synthesis method. Due to the presence of mesoporous structure, the dispersion of vanadium oxide species was enhanced, which could improve the reducibility of vanadium oxide species and also make better contact with the acid sites of zeolite to exert the synergistic effect of the bifunctional active sites. More importantly, the creation of mesopores was proved to be favorable to the mass transfer of intermediate and products to avoid the occurrence of secondary reaction, which could effectively suppress the formation of by-products. This work is helpful for us to provide a novel insight to design the catalyst with suitable pore structure to effectively synthesize diesel fuel additives from DME direct oxidation.

Electrospinning of Single-Crystal Vanadium Oxide Nanorods

2006 ◽  
Vol 988 ◽  
Author(s):  
Chunmei Ban ◽  
M. Stanley Whittingham
Keyword(s):  
Vanadium Oxide ◽  
Single Crystal ◽  
Hydrothermal Treatment ◽  
Synthesis Method ◽  
Electrospinning Process ◽  
Organic Polymer ◽  
X Ray Diffraction ◽  
Layer Spacing ◽  
Oxide Nanorods ◽  
Variable Chemical

AbstractVanadium oxide nanorods intercalated with lithium cations have been successfully formed by the hydrothermal treatment of electrospun precursors. The novelty of this synthesis method is the control of the morphology of the vanadium nanorod precursor by the electrospinning process, and then to convert to the desired compound with loss of the organic polymer while maintaining the morphology through a hydrothermal treatment. Transmission llectron microcopy shows that the single nanorods formed have a square shape cross-section with a width of less than 100nm. Electron diffraction shows that each nanorod is a single crystal, and X-ray diffraction shows that the nanorods have a layered structure with a 10.5 Å layer spacing. Their characterization, magnetic and electrochemical behavior and variable chemical composition are described together with the opportunities electrospinning presents for forming novel materials.

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