Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Manganese dioxide is the inorganic compound with the formula MnO 2. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules. The principal use for MnO 2 is for dry-cell batteries, such as the alkaline battery and the zinc–carbon battery.[4]MnO 2 is also used as a pigment and as a precursor to other manganese compounds, such as KMnO 4. It is used as a reagent in organic synthesis, for example, for the oxidation of allylic alcohols. MnO 2 has an α-polymorph that can incorporate a variety of atoms (as well as water molecules) in the "tunnels" or "channels" between the manganese oxide octahedra. There is considerable interest in α-MnO 2 as a possible cathode for lithium-ion batteries.[5][6]
^Rumble, p. 4.71
^Haines, J.; Léger, J.M.; Hoyau, S. (1995). "Second-order rutile-type to CaCl2-type phase transition in β-MnO2 at high pressure". Journal of Physics and Chemistry of Solids. 56 (7): 965–973. Bibcode:1995JPCS...56..965H. doi:10.1016/0022-3697(95)00037-2.
^Rumble, p. 5.25
^Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. pp. 1218–20. ISBN 978-0-08-022057-4..
^Barbato, S (31 May 2001). "Hollandite cathodes for lithium ion batteries. 2. Thermodynamic and kinetics studies of lithium insertion into BaMMn7O16 (M=Mg, Mn, Fe, Ni)". Electrochimica Acta. 46 (18): 2767–2776. doi:10.1016/S0013-4686(01)00506-0. hdl:10533/173039.
^Tompsett, David A.; Islam, M. Saiful (25 June 2013). "Electrochemistry of Hollandite α-MnO : Li-Ion and Na-Ion Insertion and Li Incorporation". Chemistry of Materials. 25 (12): 2515–2526. CiteSeerX 10.1.1.728.3867. doi:10.1021/cm400864n.
Manganesedioxide is the inorganic compound with the formula MnO 2. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is...
as pyrolusite or manganesedioxide. Neither this mineral nor elemental manganese is magnetic. In the 16th century, manganesedioxide was called manganesum...
batteries derive energy from the reaction between zinc metal and manganesedioxide. Compared with zinc–carbon batteries of the Leclanché cell or zinc...
A lithium ion manganese oxide battery (LMO) is a lithium-ion cell that uses manganesedioxide, MnO 2, as the cathode material. They function through the...
Pyrolusite is a mineral consisting essentially of manganesedioxide (MnO2) and is important as an ore of manganese. It is a black, amorphous appearing mineral...
volts, the same as the alkaline battery (since both use the same zinc–manganesedioxide combination). A standard dry cell comprises a zinc anode, usually...
anode materials are zinc or lithium. Common cathode materials are manganesedioxide, silver oxide, carbon monofluoride, cupric oxide or oxygen from the...
(C2H3Cl3) is oxidised by permanganate ions to form carbon dioxide (CO2), manganesedioxide (MnO2), hydrogen ions (H+), and chloride ions (Cl−). 8MnO−...
capacitors. Construction of a solid tantalum chip capacitor with manganesedioxide electrolyte The capacitor cell of a tantalum electrolytic capacitor...
Each of these three capacitor families uses non-solid and solid manganesedioxide or solid polymer electrolytes, so a great spread of different combinations...
nomenclature, is a group of elements in the periodic table. It contains manganese (Mn), technetium (Tc), rhenium (Re) and bohrium (Bh). This group lies...
(e.g., alumina, silica, cetyl phosphate, triethoxycaprylylsilane, manganesedioxide), the photocatalytic activity was attenuated and no notable skin penetration...
nodules, also called manganese nodules, are mineral concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a...
states of manganese. Glauber reported the first description of the production of potassium permanganate when he noted that manganesedioxide (as the mineral...
used in consumer applications uses metallic lithium as the anode and manganesedioxide as the cathode, with a salt of lithium dissolved in an organic solvent...
Potassium permanganate will decompose into potassium manganate, manganesedioxide and oxygen gas: 2 KMnO4 → K2MnO4 + MnO2 + O2 This reaction is a laboratory...
Johann Rudolf Glauber fused a mixture of the mineral pyrolusite (manganesedioxide, MnO2) and potassium carbonate to obtain a material that, when dissolved...
small amount of zinc chloride added in to extend the shelf life. The manganesedioxide cathode was dipped in this paste, and both were sealed in a zinc shell...
are prepared in the laboratory by combining hydrochloric acid and manganesedioxide, but the need rarely arises due to its ready availability. In industry...
compounds, including most transition metals and their compounds (e.g. manganesedioxide (MnO2), silver, and platinum). The redox properties of hydrogen peroxide...
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