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Unique CoS hierarchitectures for high-performance lithium ion batteries

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Abstract

Nanostructured lantern-like CoS hierarchitectures were fabricated in situ growth via a facile one-pot hydrothermal process from bottom to top, using only deionized water as a green growth solvent without any templates or surfactants. Based on time-dependent experiments, a possible growth mechanism for the lantern-like CoS hierarchitectures was proposed, which has a positive effect on the design of desirable micro-/nanostructures. At a current density of 100 mA g−1, the initial discharge specific capacity of the lantern-like CoS hierarchitectures is 1276 mAh g−1, higher than that of CoS flower balls (1127 mAh g−1), and they also show stable cycling, with a capacity of about 352 mAh g−1 at a current density of 1 A g−1 over 1000 cycles. This suggests that the CoS hierarchitectures display better electrochemical properties and have potential applications in high-capability lithium-ion batteries.

Graphical abstract: Unique CoS hierarchitectures for high-performance lithium ion batteries

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Publication details

The article was received on 02 Aug 2018, accepted on 24 Sep 2018 and first published on 25 Sep 2018


Article type: Paper
DOI: 10.1039/C8CE01289J
Citation: CrystEngComm, 2018, Advance Article
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    Unique CoS hierarchitectures for high-performance lithium ion batteries

    W. Lin, Y. Huang and G. He, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE01289J

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