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2D MXene‐Ti3C2Tx holds great promise in various electronic applications, especially for electromagnetic interference (EMI) shielding devices and supercapacitors. Ti3C2Tx synthesis typically involves the use of hazardous fluorine‐containing chemicals that can result in the formation of inert fluoride functional groups on the surface of Ti3C2Tx, severely degrading its properties and posing a threat...
Spinel NiMn2O4, CoMn2O4, NiFe2O4 and CoFe2O4 hollow microspheres are prepared through an easy and general approach. The preparation procedures include the one‐pot hydrothermal treatment of mixed metal salts and glucose, and subsequent calcination. The different penetration ability of Mn2+ and Fe3+ precursor ions into the interior of glucose‐derived carbon microspheres results in single‐shelled manganites...
High‐performance asymmetric super‐capacitors containing thick‐film electrodes (over 100 μm thick) made of CNT/V2O5 nanowire composite are designed. The excellent conductivity, high specific capacitance, and a large voltage window of the CNT/V2O5 nanocomposite enable the fabrication of devices with high energy and high power densities. Moreover, the resulting devices exhibit excellent cycling stability...
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