Journal
ADVANCED ENERGY MATERIALS
Volume 8, Issue 31, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201802107
Keywords
binders; lithium-sulfur batteries; rechargeable batteries; shuttle of polysulfides; sulfur cathodes
Categories
Funding
- National Key Research and Development Program [2016YFA0202500, 2016YFA0200101, 2015CB932500]
- National Natural Science Foundation of China [21776019, 21676160, 51772030, 21808124, 21711540019]
- Beijing Key Research and Development Plan [Z181100004518001]
- Newton Advanced Fellowship from the Royal Society, UK [NA140249]
- China Postdoctoral Science Foundation [2017M620049]
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Lithium-sulfur (Li-S) batteries have received tremendous attention due to their superior theoretical energy density of 2600 Wh kg(-1), as well as the abundance of sulfur resources and its environmental friendliness. Polymer binders as an indispensable component in cathodes play a critical role in maintaining the structural integrity and stability of electrodes. Additionally, multifunctional polymer binders have been involved in Li-S batteries to benefit electrochemical performance by mitigating the shuttle effect, facilitating the electron/ion transportation, and propelling the redox kinetics. In the context of the significant impact of binders on the performance of Li-S batteries, recent progress in research on polymer binders in sulfur cathodes is herein summarized. Focusing on the functions and effects of the polymer binders, the authors hope to shed light on the rational construction of robust and stable sulfur cathode for high-energy-density Li-S batteries. Perspectives regarding the future research opportunities in Li-S batteries are also discussed.
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