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If C has a positive charge, the negative charges in the metal are attracted to it and move to the inner surface of the container, while the positive charges are repelled and move to the outside surface. If C has a negative charge, the charges have opposite polarity. Since the container was originally uncharged, the two regions have equal and ...
It was first proposed by Niels Bjerrum in 1952 in order to explain the electrical polarization of ice in an electric field. [2] A hydrogen bond normally has one proton , but a hydrogen bond with a Bjerrum defect will have either two protons (D defect, from "doppel" in German, meaning "double" [ 3 ] ) or no proton (L defect, from "leer" in ...
The intense blue color of Prussian blue is a consequence of an intervalence charge transfer band. In chemistry, intervalence charge transfer, often abbreviated IVCT or even IT, is a type of charge-transfer band that is associated with mixed valence compounds. It is most common for systems with two metal sites differing only in oxidation state.
The concentration of vanadium in the blood of ascidian tunicates is as much as ten million times higher [specify] [102] [103] than the surrounding seawater, which normally contains 1 to 2 μg/L. [104] [105] The function of this vanadium concentration system and these vanadium-bearing proteins is still unknown, but the vanadocytes are later ...
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Pissoort mentioned the possibility of VRFBs in the 1930s. [9] NASA researchers and Pellegri and Spaziante followed suit in the 1970s, [10] but neither was successful. Maria Skyllas-Kazacos presented the first successful demonstration of an All-Vanadium Redox Flow Battery employing dissolved vanadium in a solution of sulfuric acid in the 1980s.
A radiovoltaic (RV) device converts the energy of ionizing radiation directly into electricity using a semiconductor junction, similar to the conversion of photons into electricity in a photovoltaic cell. Depending on the type of radiation targeted, these devices are called alphavoltaic (AV, αV), betavoltaic (BV, βV) and/or gammavoltaic (GV ...
Naturally occurring vanadium (23 V) is composed of one stable isotope 51 V and one radioactive isotope 50 V with a half-life of 2.71×10 17 years. 24 artificial radioisotopes have been characterized (in the range of mass number between 40 and 65) with the most stable being 49 V with a half-life of 330 days, and 48 V with a half-life of 15.9735 days.
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