期刊
MATERIALS
卷 12, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/ma12223709
关键词
NiSe/rGO; hydrothermal method; anodes materials; sodium ion battery; lithium ion battery
A facile, one-pot hydrothermal method was used to synthesize Nickel selenide (NiSe) nanoparticles decorated with reduced graphene oxide nanosheets (rGO), denoted as NiSe/rGO. The NiSe/rGO exhibits good electrochemical performance when tested as anodes for Na-ion batteries (SIBs) and Li-ion batteries (LIBs). An initial reversible capacity of 423 mA h g(-1) is achieved for SIBs with excellent cyclability (378 mA h g(-1) for 50th cycle at 0.05 A g(-1)). As anode for LIBs, it delivers a remarkable reversible specific capacity of 1125 mA h g(-1) at 0.05 A g(-1). The enhanced electrochemical performance of NiSe/rGO nanocomposites can be ascribed to the synergic effects between NiSe nanoparticles and rGO, which provide high conductivity and large specific surface area, indicating NiSe/rGO as very promising Na/Li storage materials.
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