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- 저자 : Benoît D.L. Campéon (검색결과 1 건)
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Sadeeq Ullah,Benoît D.L. Campéon,Shumaila Ibraheem,Ghulam Yasin,Rajesh Pathak,Yuta Nishina,Tuan Anh Nguyen,Yassine Slimani,Qipeng Yuan 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.101 No.-
Two-dimensional (2D) materials are generally expected to have superior lithium-ion (LIBs) performancescompare with their bulk counterpart as they display superior specific surface area. In this context, thedevelopment of 2D maghemite would be of great interest owing to its high theoretical specific capacity,natural abundance, and relatively low cost and toxicity; however, maghemite do not have a layered crystallinestructure. Herein, to overcome this hindrance, c-Fe2O3 has been enclosed within a 2D carbonmatrix via a simple and facile synthesis strategy based on the complexation of ethylene glycol with aqueousiron species by hydrolysis and condensation reactions followed by its carbonization. As obtained 2Dcarbon c-Fe2O3 nanosheet composite (CEG-Fe) is composed of 41.3 wt.% carbon and 10.2 wt.% Fe. Whenused as anode materials in LIBs, CEG-Fe demonstrated the enhanced initial discharge capacity of1589 mAh g 1 at 100 mA g 1, and outstanding ultralong cycling performance with the significant stablecapacity of 700 mAh g 1 and 230 mAh g 1 at the higher current rate of 0.5 A g 1 and 10 A g 1 for morethan 300 and 6000 cycles, respectively. These results enable a promising avenue to design the large-scaleproduction of 2D CEG-Fe sheets-based nanostructured anode materials for next-generation LIBs for largescaleenergy storage applications.
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