Enhancement of electrochemical properties by polysulfide trapping in a graphene-coated sulfur cathode on patterned current collector
- Yu, Seung-Ho; Lee, Bora; Choi, Sinho; Park, Soojin; Hong, Byung Hee; Sung, Yung-Eun
- Issue Date
- Chemical Communications, Vol.52 No.15, pp.3203-3206
- A sulfur cathode on a honeycomb-shape-patterned Al current collector was prepared and successfully sealed using triple-layered graphene. Graphene layers on the sulfur cathode well confined the dissolved polysulfide in the electrode, leading to significantly enhanced electrochemical properties including cycle retention and Coulombic efficiency.
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