Multi-walled carbon nanotubes @ mesoporous carbon hybrid nanocomposites from carbonized multi-walled carbon nanotubes @ metal–organic framework for lithium sulfur battery
作者： Weizhai Bao , Zhian Zhang , Chengkun Zhou , Yanqing Lai , Jie Li
DOI: 10.1016/J.JPOWSOUR.2013.09.132
关键词: Materials science 、 Nanocomposite 、 Sulfur 、 Metal-organic framework 、 Lithium–sulfur battery 、 Inorganic chemistry 、 Cathode 、 Carbon nanotube 、 Carbonization 、 Kinetics
摘要: Abstract We present a design and synthesis of hierarchical architecture multi-walled carbon nanotubes @ mesoporous (MWCNT@Meso-C) using unique metal–organic framework (MWCNT@MOF-5) as both template precursor. Active sulfur is encapsulated into the MWCNT@Meso-C matrix prepared via carbonizing MWCNT@MOF-5 polyhedrons for high performance lithium battery. The initial 50th cycle discharge capacity MWCNT@Meso-C/S cathode are 1343 mAh g −1 540 mAh g at current rate 0.5 C. CV EIS tests indicate that has smaller resistance better kinetics characteristics than cathode. Test results promising host material in battery applications.
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