期刊
CRYSTENGCOMM
卷 24, 期 6, 页码 1279-1284出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ce01538a
关键词
-
资金
- National Natural Science Foundation of China [21901139, 21671034]
The development of new anode materials for LIBs with high specific energy density and long cycle performance is urgent. This study introduces a POM-based metal-organic framework (POMOF) with a woven fabric structure, which exhibits improved discharge capacity and cycling stability after carbon nanotube (CNT) coating. The combination of POMOF and CNT is a feasible synergistic strategy for the development of high-performance anode materials for LIBs.
The development of new anode materials for LIBs with high specific energy density and long cycle performance has become urgent due to the increasing demand for further applications. Polyoxometalates (POMs), as a candidate for this filed, can afford multi-electron redox reactions while maintaining structural integrity, which is beneficial for a large amount of electrons and charge transfer during charging/discharging. Here, for the first time, we report a POM-based metal-organic framework with a woven fabric structure, showing a discharge specific capacity of 788 mA h g(-1) at a current density of 200 mA g(-1). After carbon nanotube coating post-synthesis, the discharge specific capacity increased to 1000 mA h g(-1) and exhibited evident cycling stability. Combining POMOF with CNT, as synergistic strategy, is a feasible way to exploit new anode materials with higher performance for LIBs.
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