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今天给大家分享的是2013年5月份 《NPG Asia Materials》上发表的一篇名为:β-MnO2 nanorods with exposed tunnel structures as high-performance cathode materials for sodium-ion batteries
文章摘要如下:
Sodium-ion batteries are being considered as a promising system for stationary energy storage and conversion, owing to the natural abundance of sodium. It is important to develop new cathode and anode materials with high capacities for sodium-ion batteries. Herein, we report the synthesis of β-MnO2 nanorods with exposed tunnel structures by a hydrothermal method. The as-prepared β-MnO2 nanorods have exposed {111} crystal planes with a high density of (1 × 1) tunnels, which leads to facile sodium ion (Na-ion) insertion and extraction. When applied as cathode materials in sodium-ion batteries, β-MnO2 nanorods exhibited good electrochemical performance with a high initial Na-ion storage capacity of 350 mAh g−1. β-MnO2 nanorods also demonstrated a satisfactory high-rate capability as cathode materials for sodium-ion batteries.
该文章中材料表征采用的是美国麦克仪器3Flex
详情可参考下面链接:
http://www.nature.com/am/journal/v5/n11/abs/am201356a.html
美国麦克仪器 2015-08-31 | 阅读:1199
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