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Vanadium (V) Oxide
-- V2 O5 -- 2 vanadium -- 5 oxygen
-- also called vanadium pentoxide
-- inorganic compound
-- molar mass is 181.88 g/mol
-- density is 3.357 g/cm^3
-- melting point is 963 K
-- boiling point is 2020 K
-- non-flammable
-- yellow solid
-- mineral form is rare
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A charged redesign
A redesigned metastable phase of vanadium pentoxide (V2O5) shows extraordinary performance as a cathode material for magnesium batteries. The graphic compares the conventional (right) and metastable structures of V2O5.
Credit: Justin Andrews, Texas A&M University
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A team of scientists, led by Texas A&M University, USA, chemist Sarbajit Banerjee, has discovered a metal-oxide magnesium battery cathode material, that could be used to produce batteries that promise higher density of energy storage on top of transformative advances in safety, cost and performance in comparison to their ubiquitous lithium-ion (Li-ion) counterparts.
The team's solution relies on a redesigned form of an old Li-ion cathode material, vanadium pentoxide, which they proved is capable of reversibly inserting magnesium ions. They reconfigured the atoms to provide a different pathway for the magnesium ions to travel along, which creates a viable cathode material in which they can readily be inserted and extracted during discharging and charging of the battery.
This is achieved by limiting the location of the magnesium ions to relatively uncomfortable atomic positions by design, based on the way the vanadium pentoxide is made – a property known as metastability. This metastability helps prevent the magnesium ions from getting trapped within the material and promotes complete harvesting of their charge-storing capacity with negligible degradation of the material after many charge-recharge cycles.
The development could be a turning point in the field as it highlights the inherent advantages of using more imaginative, metastable materials like this new form of vanadium pentoxide.
High-purity Vanadium Pentoxide Market Report (Status and Outlook)
High-purity Vanadium Pentoxide Market Report (Status and Outlook)
In 2016, the High-purity Vanadium Pentoxide market size was xx million USD in United States, and it will be xx million USD in 2022, with a CAGR of xx% between 2016 and 2022. Access Full Report: https://www.reportsandmarkets.com/reports/united-states-high-purity-vanadium-pentoxide-market-report-status-and-outlook-1699831 In United States market, the top players include EVRAZ VanadiumCorp HBIS…
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