阳极
材料科学
氮化物
电化学
涂层
纳米结构
锂(药物)
化学工程
碳纤维
纳米技术
氮化碳
催化作用
电极
复合材料
复合数
化学
图层(电子)
有机化学
物理化学
内分泌学
工程类
医学
光催化
作者
Jun Liu,Shasha Tang,Ye Lu,Gemei Cai,Shuquan Liang,Wen Jun Wang,Dharmender Singh Kushwaha
摘要
We report a simple and effective carbon-free nanocoating strategy for large-scale synthesis of Mo2N nanolayer coated MoO2 hollow nanostructures. This strategy only involves commercial MoO3 powders reacted with reduced gas. The carbon-free nanocoating of Mo2N is highly effective in improving the electrochemical properties of MoO2, promising advanced batteries with high specific capacity up to 815 mA h g−1, long cycle-life (e.g., >100 cycles) and high rate capability compared with the carbon nanocoating commonly used in electrode materials. The present nitride-nanocoating strategy is facile but effective, and therefore it is very promising for large-scale industrial production. It may be extended to prepare other metal oxides with nitride coating nanolayers to enhance their performances as electrode materials.
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