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Carbon-Coated Magneli-Phase TinO2n-1 Nanomaterials and a Method of Synthesis Thereof
Carbon-Coated Magneli-Phase TinO2n-1 Nanomaterials and a Method of Synthesis Thereof
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机译:碳包覆的Magneli相TinO2n-1纳米材料及其合成方法
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摘要
A novel Magnéli phase nanomaterial with carbon coating is disclosed. The present Magnéli phase material, which can form a nanowire, a nanobelt, a nanoparticle, a nanocrystal, or a nanosheet, includes at least a Magnéli phase core having a substoichiometric composition of titanium oxide having a formula TinO2n-1, where n is between 4 and 10, and at least a carbon-based outer shell surrounding the Magnéli phase core. The shape-features of the carbon-coated Magnéli phase material of the present invention ensure that at least one dimension of it is nanoscale, and therefore has a high surface area. By having the high surface area, the Faradaic reaction can be processed more efficiently, and consequently attain higher capacity, higher power-density, and cycling stability. The present disclosure further encompasses a method of synthesizing these nanoscale Magnéli phase materials.
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机译:公开了具有碳涂层的新型Magnéli相纳米材料。可以形成纳米线,纳米带,纳米颗粒,纳米晶体或纳米片的本马格尼相材料至少包括具有化学式为Ti n Sub的氧化钛的亚化学计量组成的马格尼相核。 > O 2n-1 Sub>,其中n在4和10之间,并且至少有一个围绕Magnéli相核的碳基外壳。本发明的碳包覆的Magnéli相材料的形状特征确保其至少一个尺寸是纳米级的,因此具有高的表面积。通过具有大的表面积,可以更有效地处理法拉第反应,从而获得更高的容量,更高的功率密度和循环稳定性。本公开进一步包括合成这些纳米级马格尼利相材料的方法。
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