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Lithium (from Ancient Greek λίθος (líthos) 'stone') is a chemical element; it has symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the least dense metal and the least dense solid element.
Lithium chloride is a chemical compound with the formula Li Cl.The salt is a typical ionic compound (with certain covalent characteristics), although the small size of the Li + ion gives rise to properties not seen for other alkali metal chlorides, such as extraordinary solubility in polar solvents (83.05 g/100 mL of water at 20 °C) and its hygroscopic properties.
The compounds of this class have a general formula LiNi x Co y Al z O 2 with x + y + z = 1. In case of the NCA comprising batteries currently available on the market, which are also used in electric cars and electric appliances , x ≈ 0.84, and the voltage of those batteries is between 3.6 V and 4.0 V, at a nominal voltage of 3.6 V or 3.7 V.
For example, an NMC molar composition of 33% nickel, 33% manganese, and 33% cobalt would abbreviate to NMC111 (also NMC333 or NCM333) and have a chemical formula of LiNi 0.33 Mn 0.33 Co 0.33 O 2. A composition of 50% nickel, 30% manganese, and 20% cobalt would be called NMC532 (or NCM523) and have the formula LiNi 0.5 Mn 0.3 Co 0.2 O 2.
Lithium cobalt oxide, sometimes called lithium cobaltate [2] or lithium cobaltite, [3] is a chemical compound with formula LiCoO 2 . The cobalt atoms are formally in the +3 oxidation state, hence the IUPAC name lithium cobalt(III) oxide .
Lithium iodide, or LiI, is a compound of lithium and iodine. When exposed to air , it becomes yellow in color, due to the oxidation of iodide to iodine. [ 2 ] It crystallizes in the NaCl motif . [ 3 ]
Lithium oxide (Li 2 O) or lithia is an inorganic chemical compound. It is a white solid. Although not specifically important, many materials are assessed on the basis of their Li 2 O content. For example, the Li 2 O content of the principal lithium mineral spodumene (LiAlSi 2 O 6) is 8.03%. [2]
Chemical formula. C 2 H 3 Li O 2: Molar mass: 65.98 g·mol −1 Appearance crystal Density: 1.26 g/cm 3: ... Lithium acetate (CH 3 COOLi) is a salt of lithium and ...
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