Journal
NATURE COMMUNICATIONS
Volume 8, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ncomms14628
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Funding
- National Basic Research Program of China 973 Program [2015CB655302]
- National Key Research and Development Program [2016YFA0200204]
- Natural Science Foundation for Outstanding Young Scientist of Zhejiang Province, China [LR14E020001]
- National Natural Science Foundations of China [NSFC 21671171]
- Chinese government under the 'Thousand Youth Talents Program'
- Zhejiang Province Science Fund for Distinguished Young Scholars [LR16B060001]
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Lithium-sulfur batteries are promising technologies for powering flexible devices due to their high energy density, low cost and environmental friendliness, when the insulating nature, shuttle effect and volume expansion of sulfur electrodes are well addressed. Here, we report a strategy of using foldable interpenetrated metal-organic frameworks/carbon nanotubes thin film for binder-free advanced lithium-sulfur batteries through a facile confinement conversion. The carbon nanotubes interpenetrate through the metal-organic frameworks crystal and interweave the electrode into a stratified structure to provide both conductivity and structural integrity, while the highly porous metal-organic frameworks endow the electrode with strong sulfur confinement to achieve good cyclability. These hierarchical porous interpenetrated three-dimensional conductive networks with well confined S-8 lead to high sulfur loading and utilization, as well as high volumetric energy density.
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