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Open AccessArticle

Reduced Graphene Oxides Decorated NiSe Nanoparticles as High Performance Electrodes for Na/Li Storage

Information and Engineering School, Wuhan University of Engineering Science, Wuhan 430200, China
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Materials 2019, 12(22), 3709; https://doi.org/10.3390/ma12223709
Received: 14 October 2019 / Revised: 30 October 2019 / Accepted: 5 November 2019 / Published: 10 November 2019
(This article belongs to the Special Issue Novel Materials for Sustainable Energy Conversion and Storage)
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. View Full-Text
Keywords: NiSe/rGO; hydrothermal method; anodes materials; sodium ion battery; lithium ion battery NiSe/rGO; hydrothermal method; anodes materials; sodium ion battery; lithium ion battery
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MDPI and ACS Style

Liu, Y.; Wang, X. Reduced Graphene Oxides Decorated NiSe Nanoparticles as High Performance Electrodes for Na/Li Storage. Materials 2019, 12, 3709.

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