期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 4, 期 48, 页码 19132-19139出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta08464h
关键词
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资金
- National Nature Science Foundation of China [21466020]
- Gansu Provincial Science Fund [1606RJZA180]
Porous carbon nanotubes (PCNTs) were synthesized and incorporation of MnO nanoparticles inside PCNTs (MnO-PCNTs) was successfully achieved by simple pyrolysis of conjugated microporous polymer (CMP) nanotubes and manganese acetate adsorbed CMP nanotubes, respectively. PCNTs exhibit good performance as anode materials for lithium ion batteries. The performance of PCNTs can be further enhanced by incorporation of MnO nanoparticles. MnO-PCNTs show excellent cycling stability (572.6 mA h g(-1) after 300 cycles at 1C) and large rate performance (160.8 mA h g(-1) at 30C), which are much higher than carbon nanotubes (CNTs) supported MnO composites (MnO-CNTs). This may be due to the unique structure of MnO-PCNTs, where MnO nanoparticles are located inside the tubes, preferably resolving the pulverization issue of MnO during repeated charge-discharge cycles.
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