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Polymer manganese oxide

N anomaterials have been around for hundreds of years and are typically defined as particles of size ranging from 1 to 100 nm in at least one dimension. The inorganic nanomaterial catalysts discussed here are manganese oxides and titanium dioxide. Outside the scope of this chapter are polymers, pillared clays, coordination compounds, and inorganic-organic hybrid materials such as metal-organic frameworks. [Pg.226]

Coarse (dP = 50-100 pm) porous disks are the most frequently applied diffusers in large-scale drinking water treatment systems (Masschelein, 1994). They are seldom used in industrial waste water treatment applications. The reason is that blocking or clogging can easily occur, e. g. by means of precipitation of chemicals, like carbonates, aluminum or ferrous oxides, manganese oxides, calcium oxalate or organic polymers. This is also valid for ceramic filter tubes, which are sometimes used as mass transfer systems in drinking water applications. [Pg.64]

Most of the polymer-forming oxidative coupling reactions known are catalytic processes by virtue of the reoxidation of the transition metal ion with an oxidant, preferably oxygen (air). Cuprio-cuprous complexes serve most prominently as catalysts (I, 2, 3, 9, 10, 11, 12, 17, 18, 19, 20, 30) manganese (24) and cobalt (6) complexes have also been used. [Pg.697]

As already shown in Schemes 126 and 129, oxidation of phenols with manganese compounds provides diaryl ethers, dimers, trimers and polymers. Similarly, oxidation of phenols with Ag20 also affords diaryl ethers . However, one of the most characteristic points is that phenolic oxidation using Ag20 provides a synthetic method for quinomethanes. [Pg.1307]

MMT. MMT photolyses rapidly by sunlight in the atmosphere with a very short half-life, i.e., less than 2 minutes (Ter Haar et al. 1975 Garrison et al. 1995). MMT is converted to a mixture of solid manganese oxides and carbonates. The organic portion of the solid consists of a complex mixture of acids, esters, and hydrocarbon polymers that results from the partial oxidation of the cyclopentadienyl ring, carbon monoxide insertion reactions and polymerization of multifunctional compounds (Ter Haar et al. 1975). [Pg.386]

As the typical layered compound, MnO provides the open structure for conjugated-polymer intercalation [55]. The typical preparation methods for organic-intercalated MnO is complicated because of the fussy steps [55-59] (i) The layered manganese oxide (or Birnessite-type manganese oxide) A MnO (where A is K, Na, etc.) is first prepared by a soft... [Pg.392]

Synonyms Copper chromite black spinel Uses Colorant in food-contact polymers Regulatory FDA 21CFR 178.3297 Manuf./Distrib. Shepherd Color http //www.shepherdcolor. com Pigment black 33 CAS 12062-81-6 75864-23-2 Synonyms Cl 77537 Iron manganese trioxide Definition Syn. mixed iron and manganese oxide Formuia (FeMn)203 Properties Powd. [Pg.3363]

The number of studies which utilize ionic liquid electrol54e in redox capacitor system is still small, probably due to the difficulty to reproduce the pseudo-capacitive reaction in ionic liquid media. While the principle of pseudo-capacitance of conductive polymer electrodes permits to utilize ionic liquid electrolytes, high viscosity and rather inactive ions of ionic liquid may make their pseudo-capacitive reaction slow. The combination of nanostmctured conductive polymer electrode and ionic liquid electrolyte is expected to be effective [27]. It is far difficult that ionic liquids are utilized in transition metal-based redox capacitors where proton frequently participates in the reaction mechanisms. Some anions such as thiocyanate have been reported to provide pseudo-capacitance of manganese oxide [28]. The pseudo-capacitance of hydrous ruthenium oxide is based on the adsorption of proton on the electrode surface and thus requires proton in electrolyte. Therefore ionic liquids having proton have been attempted to be utilized with ruthenium oxide electrode [29]. Recent report that 1,3-substituted imidazolium cations such as EMI promote pseudo-capacitive reaction of mthenium oxide is interesting on the viewpoint of the establishment of the pseudo-capacitive system based on chemical nature of ionic liquids [30]. [Pg.1115]

Staiti, P. and E Lufrano. 2010. Investigation of polymer electrolyte hybrid supercapacitor based on manganese oxide-carbon electrodes. Electrochimica Acta, 55,... [Pg.200]

Estimated values of weight for the Li-ion-MnO battery pack are assumed to be 450 lbs., whereas the weights of zinc-air battery pack and Li-ion-polymer battery packs are interpolated with respect to weight of Li-ion-MnO battery pack. The interpolated weight estimates could be accurate with in 15 to 25%, because nobody knows the exact weight of the lithium, manganese oxide, and polymer contents. [Pg.160]

The Li-ion battery is sometimes identified as Li-ion-manganese oxide (Li-ion-MnO). Essentially, the battery is made out of hthium and manganese oxide, whereas the Li-ion-polymer batteries are fabricated using lithium and polymer materials. Both the Li-ion-MnO and Li-ion-polymer battery packs are widely used by the EV and HEV manufacturers. The Li-ion-polymer battery packs can be easily damaged if not handled with extreme care. This particular battery pack requires outside walls made from high—mechanical strength material to protect the delicate control of IC circuits and battery structure [5]. The Li-ion battery packs have unique characteristics. [Pg.160]


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Manganese oxidation

Manganese-oxidizing

Oxidants manganese

Polymer oxide))

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