Journal
JOULE
Volume 2, Issue 4, Pages 725-735Publisher
CELL PRESS
DOI: 10.1016/j.joule.2018.01.004
Keywords
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Funding
- National Natural Science Foundation of China [51577094, 21503112]
- 100 Talents Program of Nanjing Normal University
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Tin disulfide (SnS2) is a promising anode material for sodium-ion batteries because of its high specific capacity. However, the low conductivity and large volume change during reaction with Na+ ions greatly limit its practical application. Herein, a multistep templating method has been exploited for the rational design and synthesis of SnS2 nanosheets confined in carbon nanotubes (SnS2@CNTs). To demonstrate the universality of this method, SnS2 nanosheets confined in carbon nanoboxes (SnS2@CNBs) and hollow carbon nanospheres (SnS2@CNSs) have also been synthesized by simply changing the template in the reaction system. Due to their unique structural merits, the SnS2@CNTs, SnS2@CNBs, and SnS2@CNSs show improved sodium storage performance in terms of high specific capacity, good cycling stability, and superior rate capability.
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