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		题名	作者	年代	出处	被引量
	1	Nitrogen/sulphur dual-doped hierarchical carbonaceous fibers boosting potassium-ion storage显示文摘The carbon materials as anode electrodes have been widely studied for potassium ion batteries(PIBs).However,the large size of potassium ions prevents their intercalation/deintercalation,resulting in poor storage behaviors.Herein,a novel design of N/S codoped hierarchical carbonaceous fibers(NSHCF)formed from nanosheets self-assembled by catalyzing Aspergillus niger with Sn is reported.The asprepared NSHCF at 600℃(NSHCF-600)exhibits a high reversible capacity of 345.4 m Ah g^(-1) at 0.1 A g^(-1) after 100 cycles and an excellent rate performance of 124.5 m Ah g^(-1) at 2 A g^(-1).The excellent potassium storage performance can be ascribed to the N/S dual-doping,which enlarges interlayer spacing(0.404 nm)and introduces more defects.The larger interlayer spacing and higher pyridinic N active sites can promote K ions diffusion and storage.In addition,the ex situ transmission electron microscopy reveals the high reversibility of potassiation/depotassiation process and structural stability.	Junzhi Li Junming Cao Xifei Li Junhua Hu Yaohui Zhang Hirbod Maleki Kheimeh Sari Chunxiao Lv IgorVZatovsky Wei Han	2021	Journal of Energy Chemistry2021，30，4：	1

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