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Sodium-ion batteries (SIBs) have recently attracted increasing attention as the promising alternative to lithium-ion batteries due to their multiple advantages of abundant reserves and low cost. However, the development of highly desirable anode materials suitable for SIBs is still hampered by a rather low capacity, poor rate capability, and cycling stability. Herein, a deliberate design to implement reliable and simple fabrication of an inverse opal structured nanohybrid of carbon-confined various transition metal sulfides quantum dots (QDs) is presented. Comprehensive characterizations demonstrate that the hybrids hold a 3D architecture with uniform dispersion of QDs in a conductive carbon matrix that in turn encapsulates these quantum dots. With Co 9 S 8 as an example, such a unique architecture, when applied as the anode of SIBs, endows the hybrids with multiple advantages including a high reversible specific capacity, extraordinary high rate capability, and excellent durability over 2000 cycles charging–discharging process. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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Advanced Energy Materials
ISSN: 1614-6832
Year: 2018
Issue: 25
Volume: 8
2 4 . 8 8 4
JCR@2018
2 4 . 4 0 0
JCR@2023
ESI HC Threshold:284
JCR Journal Grade:1
CAS Journal Grade:1
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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