Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 6, Issue 4, Pages 4688-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b03694
Keywords
WSe2/CMK-5 nanocomposite; Anode; Lithium-ion batteries; Long-term cycling stability; Electrochemical property
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Funding
- National Natural Science Foundation of China [U1505241, 91433104, 51502036]
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Transition metal dichalcogenides (TMDs) have received intensive interests in lithium-ion batteries owing to their unique lithium-ion storage ability when evaluated as anode materials. In the present work, a nanocomposite of WSe2/CMK-5 was successfully fabricated via a nanocasting route, introducing the unique structure of mesoporous carbon (CMK-5) as a nanorecator. Benefiting from a synergetic effect of WSe2 nanosheets and mesoporous carbon, the WSe2/CMK-5 hybrid electrode exhibited large reversible capacity, high rate performance, and excellent long-term cycling stability. For instance, a specific capacity of 490 mA h g(-1) can remain even after 600 cycles at a current density of 0.5 A g(-1.)
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