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Enhancement of electrochemical properties by polysulfide trapping in a graphene-coated sulfur cathode on patterned current collector
Year of publication
2016
Author
Seung-Ho Yu‡, Bora Lee‡, Sinho Choi, Soojin Park, Byung Hee Hong* and Yung-Eun Sung*
Journal
Chem. Comm.
volume
52
Page
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.