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A potassium-rich iron hexacyanoferrate/dipotassium terephthalate@carbon nanotube composite used for K-ion full-cells with an optimized electrolyte
Liao, Jiaying1; Hu, Qiao1; Yu, Yingtao1; Wang, Heyang1; Tang, Zhongfeng1; Wen, Zhaoyin2; Chen, Chunhua1
2017
Source PublicationJournal of Materials Chemistry A
ISSN20507488
Volume5Issue:36Pages:19017-19024
AbstractK-ion batteries, as an emerging battery system, have attracted tremendous attention in the research community. Herein, we report a K-ion full-cell based on a nano-sized K1.92Fe[Fe(CN)6]0.94·0.5H2O cathode, dipotassium terephthalate (K2TP)@carbon nanotube (CNT) anode and an optimized electrolyte. K1.92Fe[Fe(CN)6]0.94·0.5H2O delivers a high capacity of 133 mA h g-1with 92.8% capacity retention after 200 cycles and high coulombic efficiency of 98.5%. The side reactions of K metal with the electrolyte are suppressed in KClO4/propylene carbonate (PC). The K2TP nanosheets grown in situ on the CNT show a high reversible capacity of about 250 mA h g-1and an ultra-high rate capability. The full-cells based on them are well cycled in a DME-based electrolyte and show a great promise for large-scale energy storage. © 2017 The Royal Society of Chemistry.
DOI10.1039/c7ta05460b
EI Accession Number20173904199663
EI KeywordsCarbon nanotubes
EI Classification Number545.1 Iron - 549.1 Alkali Metals - 702 Electric Batteries and Fuel Cells - 702.1 Electric Batteries - 761 Nanotechnology - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally - 819.4 Fiber Products
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25905
Collection中国科学院上海硅酸盐研究所
Affiliation1.CAS Key Laboratory of Materials for Energy Conversions, Department of Materials Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China, Hefei, Anhui; 230026, China;
2.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
Recommended Citation
GB/T 7714
Liao, Jiaying,Hu, Qiao,Yu, Yingtao,et al. A potassium-rich iron hexacyanoferrate/dipotassium terephthalate@carbon nanotube composite used for K-ion full-cells with an optimized electrolyte[J]. Journal of Materials Chemistry A,2017,5(36):19017-19024.
APA Liao, Jiaying.,Hu, Qiao.,Yu, Yingtao.,Wang, Heyang.,Tang, Zhongfeng.,...&Chen, Chunhua.(2017).A potassium-rich iron hexacyanoferrate/dipotassium terephthalate@carbon nanotube composite used for K-ion full-cells with an optimized electrolyte.Journal of Materials Chemistry A,5(36),19017-19024.
MLA Liao, Jiaying,et al."A potassium-rich iron hexacyanoferrate/dipotassium terephthalate@carbon nanotube composite used for K-ion full-cells with an optimized electrolyte".Journal of Materials Chemistry A 5.36(2017):19017-19024.
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