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Meeting MS&T21: Materials Science & Technology
Symposium 2021 Undergraduate Student Poster Contest
Presentation Title Exploring the Liquid Phase Exfoliation of Two-Dimensional Bilayered Vanadium Oxide in Aqueous Media for Li ion Batteries
Author(s) Raymond Zhang, Timofey Averianov, Ekaterina Pomerantseva
On-Site Speaker (Planned) Raymond Zhang
Abstract Scope In this work, the exfoliation of bilayered vanadium oxide (BVO) intercalated with Li+ ions (δ-LixV2O5ĚnH2O) in water and performance of the produced nanoflakes in Li ion batteries has been studied for the first time. BVO nanoflakes suspended in aqueous media were obtained with high yield and chemical stability using probe sonication, despite the partial solubility of vanadium oxide in water. The exfoliated material maintained two-dimensional (2D) morphology and preserved the bilayered structure. Furthermore, electrochemical testing revealed the importance of implementing proper drying protocols to reduce interlayer water content in BVO to improve ion storage capacity. Here, we demonstrate that through vacuum drying at 200║C, the BVO nanoflake cathode can deliver capacities as high as 246mAh/g at a current density of 20mA/g. These results introduce an environmentally friendly and safe approach to obtaining 2D BVO nanoflakes and offers pathways to constructing novel 2D heterostructures for energy storage applications.


Composition and Physicochemical Properties of Typical Waste Cooking Oil
Effect of Carbon Stoichiometry on the Heat of Formation of Hafnium Carbides
Effect of Modifier Cation Size on the Bulk Structure and Nickel Speciation in Alkali Borosilicate Glasses
Electron Cloud Migration Effect-induced Lithiophobicity/Lithiophilicity Transformation for Dendrite-free Lithium Metal Anodes
Enhanced Mechanical Properties in a 4140 Steel by "In-House" Intensive Quench
Experiential Study on Critical Stress Intensity Factor of Carbon Nanotube Filled Epoxy
Exploring the Liquid Phase Exfoliation of Two-Dimensional Bilayered Vanadium Oxide in Aqueous Media for Li ion Batteries
High Temperature Mechanical Properties of TiB2-WC-SiC Materials
Highly Crystallized Prussian Blue with Enhanced Kinetics for Highly Efficient Sodium Storage
Investigation of Embedded Metallic Components on 3D Printed Ceramic Structures
Machine Learning Approaches to Predict Properties from Microstructure Images in Ceramic-Metal Composites
Mechanical Behavior of Automotive Structural Steels in the Vicinity of the Ductile-brittle Transition
Mechanical Property Assessment of Silicon Carbide Fiber-reinforced Epoxy-matrix Composites
Optimal Integration of TiO2-Coated Gold Nanostars for Enhancement of Photocatalytic Water Reduction
Perovskite Film Formation for Solar Cell Absorbers: Effects of Substrate Modification
Pressure Optimization of Fast-Moving Silicon MEMS Micromirrors
Processing and Properties of (Ta, Nb, Hf, Ti)C
Rheological Characterization of Highly Loaded Alumina-Polymer Suspension for Thermal Paste 3D Printing
The Dynamic Performance of Wearable Sensors with Flexible Silver Ink
The Mechanisms of Micro-fine Titanaugite Enter to Ilmenite in the Flotation and Depression Behavior of Sodium Silicate
Thermal Analysis of Sodalite-immobilized Iodine-129 Caustic Scrubber Slurry
ZrB2 Aqueous Slurry Development for DIW Additive Manufacturing

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