Component Compounds: CID 5462222 (Potassium) CID 962 (Water) Dates: Modify . Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure. 1 Structures Expand this … Previous Article Next ... With high theoretical capacity and applicable operating voltage, layered transition metal oxides are potential cathodes for potassium-ion batteries (PIBs). Contents. If the alkali metal oxides content is above a certain limit, glasses exhibit a high coefficient of thermal expansion (Marques, 2008). 2020-11-15. Potassium monoxide. Potassium is a chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. In 1807, Sir Humphrey Davy isolated metallic potassium by electrolysis of fused potassium hydroxide. Component Compounds: CID 190217 (Oxide) CID 5462222 (Potassium) Dates: Modify . Contact may severely irritate skin, eyes and … More... Molecular Weight: 94.196 g/mol. K-ion batteries are promising alternative energy storage systems for large-scale applications because of the globally abundant K reserves. Potassium is a chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. 2020-11-21. More... Molecular Weight: 95.204 g/mol. ChEBI. Create . 2005-03-27. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure. 2006-10-25. It was first isolated from potash, the ashes of plants, from which its name derives. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. K-ion batteries benefit from the lower standard redox potential of K/K+ than that of Na/Na+ and even Li/Li+, which can translate into a higher working voltage. DTXSID3049754. It was first isolated from potash, the ashes of plants, from which its name derives. potassium oxidopotassium. Sodium oxide (Na 2 O), potassium oxide (K 2 O), lithium oxide (Li 2 O), and lead oxide (PbO) are widely used as glass fluxes to reduce the working temperature, but they also play an important role in setting the thermal expansion. Historical Collection Issue 9, 2020. Potassium oxide (K2O) 12401-70-6. Denser than water. History. Potassium monoxide appears as a white-colored crystalline solid. Create . Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. It is a potassium salt and a metal oxide. It is formed by reacting metallic potassium with a limited supply of oxygen.This is done by only oxidizing a small portion of the metal with dry air at a time to prevent peroxide formation. Potassium oxide (KO) Monopotassium Monooxide. Potassium oxide is a compound of potassium and oxygen used mainly as an intermediate in inorganic synthesis. Download : Download full-size image; Potassium (atomic number 19) has been known as an element since the 18th century, when alchemists differentiated “vegetable alkali” from “mineral alkali,” the latter containing sodium. POTASSIUM OXIDE. Dipotassium oxide. CHEBI:88321. Potassium oxide is a metal oxide with formula K2O.
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