期刊
CHEMSUSCHEM
卷 8, 期 13, 页码 2260-2267出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201500063
关键词
anodes; batteries; carbon; composites; metal sulfide
资金
- Energy Efficiency AMP
- Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) - Ministry of Trade, Industry AMP
- Energy, Republic of Korea [201320200000420]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20132020000420] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
MoS2-amorphous carbon (MoS2-AC) composite microspheres with macroporous structure were fabricated by one-pot spray pyrolysis. Single- or few-layered MoS2 were uniformly dispersed and oriented in random directions in the amorphous carbon microsphere with macropores sizes between 50 and 90nm. The macroporous microspheres having a high contact area with liquid electrolyte exhibited overall superior Li- and Na-ion storage properties compared with those of the dense microspheres. After 250 charge/discharge cycles at a current density of 1.5Ag(-1), the discharge capacities of the MoS2-AC microspheres with dense and macroporous structures for Li-ion storage were 694 and 896mAhg(-1), respectively. In the case of Na-ion storage, discharge capacities of 336 and 425mAhg(-1) were achieved for the dense and macroporous microspheres, respectively, after 100 cycles at 0.3Ag(-1).
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