title: An Aligned and Laminated Nanostructured Carbon Hybrid Cathode for High-Performance Lithium-Sulfur Batteries.
abstract: An aligned and laminated sulfur-absorbed mesoporous carbon/carbon nanotube (CNT) hybrid cathode has been developed for lithium-sulfur batteries with high performance. The mesoporous carbon acts as sulfur host and suppresses the diffusion of polysulfide, while the CNT network anchors the sulfur-absorbed mesoporous carbon particles, providing pathways for rapid electron transport, alleviating polysulfide migration and enabling a high flexibility. The resulting lithium-sulfur battery delivers a high capacity of 1226 mAh g(-1) and achieves a capacity retention of 75% after 100 cycles at 0.1 C. Moreover, a high capacity of nearly 900 mAh g(-1) is obtained for 20 mg cm(-2), which is the highest sulfur load to the best of our knowledge. More importantly, the aligned and laminated hybrid cathode endows the battery with high flexibility and its electrochemical performances are well maintained under bending and after being folded for 500 times.
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China).
authors.forename: Qian
authors.initials: Q
authors.lastname: Sun
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China).
authors.forename: Xin
authors.initials: X
authors.lastname: Fang
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China). gotovic@163.com.
authors.forename: Wei
authors.initials: W
authors.lastname: Weng
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China).
authors.forename: Jue
authors.initials: J
authors.lastname: Deng
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China).
authors.forename: Peining
authors.initials: P
authors.lastname: Chen
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China).
authors.forename: Jing
authors.initials: J
authors.lastname: Ren
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China).
authors.forename: Guozhen
authors.initials: G
authors.lastname: Guan
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China). minwang@fudan.edu.cn.
authors.forename: Min
authors.initials: M
authors.lastname: Wang
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China). penghs@fudan.edu.cn.
authors.forename: Huisheng
authors.initials: H
authors.lastname: Peng
keywords: carbon nanotubes; flexible devices; lithium-sulfur battery; mesoporous carbon