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High Capacity and Fast Kinetics of Potassium-Ion Batteries Boosted by Nitrogen-Doped Mesoporous Carbon Spheres
Nano-Micro Letters ( IF 26.6 ) Pub Date : 2021-08-13 , DOI: 10.1007/s40820-021-00706-3
Jiefeng Zheng 1 , Yuanji Wu 1 , Yong Tong 1 , Xi Liu 1 , Yingjuan Sun 1 , Hongyan Li 1 , Li Niu 2
Affiliation  

  • Nitrogen-doped mesoporous carbon spheres (MCS) are prepared as anode materials of potassium-ion batteries by a facile method.

  • The MCS have larger interlayer spacing, high specific surface area, abundant mesoporous structures and nitrogen-doped active sites, achieving high-rate and long-cycle performances as anodes.

  • The capacitive-controlled effects play dominant role in total storage mechanism and the MCS anodes are successfully applied to K-ion full-cells achieving high rate capacities.



中文翻译:

氮掺杂介孔碳球促进钾离子电池的高容量和快速动力学

  • 通过简便的方法制备了氮掺杂介孔碳球(MCS)作为钾离子电池的负极材料。

  • MCS具有较大的层间距、高比表面积、丰富的介孔结构和氮掺杂活性位点,可作为阳极实现高倍率和长循环性能。

  • 电容控制效应在总存储机制中起主导作用,MCS阳极成功地应用于K离子全电池,实现了高倍率容量。

更新日期:2021-08-19
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