Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 59, Issue 7, Pages 2644-2648Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201912924
Keywords
electrochemistry; metal-organic frameworks; metal sulfides; nanoboxes; sodium-ion batteries
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Funding
- National Research Foundation (NRF) of Singapore through an NRF investigatorship [NRF-NRFI2016-04]
- Ministry of Education of Singapore through Academic Research Fund (AcRF) Tier-1 [M4011880, RG110/17]
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The construction of hybrid architectures for electrode materials has been demonstrated as an efficient strategy to boost sodium-storage properties because of the synergetic effect of each component. However, the fabrication of hybrid nanostructures with a rational structure and desired composition for effective sodium storage is still challenging. In this study, an integrated nanostructure composed of copper-substituted CoS2@CuxS double-shelled nanoboxes (denoted as Cu-CoS2@CuxS DSNBs) was synthesized through a rational metal-organic framework (MOF)-based templating strategy. The unique shell configuration and complex composition endow the Cu-CoS2@CuxS DSNBs with enhanced electrochemical performance in terms of superior rate capability and stable cyclability.
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