Journal
ADVANCED ENERGY MATERIALS
Volume 7, Issue 3, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201601591
Keywords
double-shell; lithium sulfur batteries; nano-binder; polydopamine; volume change
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Funding
- National Key Research and Development Program of China New Energy Project for Electric Vehicle [2016YFB0100204]
- National Natural Science Foundation of China [21373028, U1564206]
- Major achievements Transformation Project for Central University in Beijing
- Beijing Science and Technology Project [D151100003015001]
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A Polydopamine-based nano-binder, which can glue carbon and sulfur at nanoscale, is used to construct stable double-shelled sulfur cathodes. This unique hierarchical design for S cathode can not only offer a physical barrier for trapping polysulfides, but also prevent conducting carbon black from detaching to cathode surface. Polydopamine with high elasticity and excellent isotropy can prevent the cathode from deformation.
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