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Article
Sulfur, fluorine, and nitrogen tri-doped carbon hollow spheres for enhanced electrochemical performance in sodium-ion batteries
Sulfur, fluorine, and nitrogen tri-doped carbon hollow spheres (SFNHCS) were simply prepared through a polymerization process using polydopamine (PDA) as the source of carbon and nitrogen and ionic liquid 1-vi...
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Article
Hierarchical flower SnS2/C composites for long-cycle and high-rate sodium ion batteries
Tin-based are considered ideal anode materials for sodium ion batteries (SIBs) due to their high-theoretical capacity and low cost, among which tin disulfide (SnS2) has been the most widely studied. Here, hierarc...
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Article
Preparation of NiCo2S4/carbon hollow sphere for long cycle lithium sulfur batteries
Uniformly distributed NiCo2S4 nanoparticles on hollow carbon spheres were prepared by carbonisation and in-situ vulcanisation methods as a positive electrode host for lithium–sulphur batteries. Among them, carbon...
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Article
Morphology control and capacitive performance of Co3O4 nanostructures synthesized by NH4F-assisted hydrothermal on Ni foam
Co3O4 is considered as an excellent capacitive materials for advanced supercapacitors. In this work, three different morphologies of Co3O4 nanostructures, nanowires, nanosheets, both nanowires and nanosheets stru...
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Article
High-performance supercapacitors anodes based on porous carbon@vanadium nitride composite modified by gold nanoparticles
Both porous carbon and vanadium nitride have been considered promising anode materials for supercapacitors that provide outstanding electrochemical performances. Here, porous carbon and vanadium nitride compos...
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Article
CoS2/carbon hollow sphere was used as a matrix of the sulfur cathode for lithium–sulfur batteries with enhanced rate and cycling performance
CoS2 nanoparticles embedded in carbon hollow spheres (CoS2/C-HS) were prepared by a facile in situ sulfidation and carbonization. When used as the sulfur matrix in the cathode, the CoS2/C-HS can provide a large i...
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Article
Nitrogen and sulfur co-doped mesoporous hollow carbon spheres for high rate sodium ion storage
Sodium-ion batteries (SIBs) exhibit an similar storage mechanism to lithium ion batteries (LIBs). Since lithium is costly and sodium is abundant on earth, SIBs have potential to replace LIBs in many applicatio...
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Article
In situ preparation of nitrogen-doped carbon nanotubes on carbon cloth surface as binder-free flexible electrode materials for supercapacitors
It is very important to develop electrode materials with good mechanical flexibility and excellent electrochemical performance to adapt to the development of flexible electronic devices, and the preparation of...
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Article
Spongy Co3O4 Wrapped Flexible Carbon Cloth by Electrodeposition as an Anode for Lithium-Ion Batteries
Herein, electrodeposition and subsequent oxidation were used to successfully construct a spongy flexible Co3O4/carbon cloth electrode with a controlled structure. It can deliver an efficient electron/ion transpor...
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Article
Improvement of electrochemical properties of LiCoO2 at 4.6 V by a LiPAA coating
Structural instability and interface side reactions are considered to be the key factors that LiCoO2 (LCO) cannot maintain good electrochemical performance at voltages above 4.5 V. Here, a coating of lithium poly...
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Article
N-doped hollow porous carbon microspheres with high rate performance as anode for sodium-ion batteries
In this paper, using resorcinol/formaldehyde resin as a carbon source and ionic liquid [EMIM]DCA as a nitrogen source, N-doped hollow porous carbon microspheres (NHPCS) were simply prepared by a confined space...
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Article
Preparation of ZnO/CC flexible materials for lithium-ion batteries by electrodeposition
In this paper, ZnO with an average diameter of 1 μm was grown on carbon cloth (CC) via electrodeposition to organize a free-standing flexible lithium-ion battery (LIBs) anode material with good electrical cont...
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Article
Composite V3S4@rGO nanowires as a high-performance anode material for lithium-/sodium-ion batteries
A composite of V3S4 nanowires and reduced graphene oxide (rGO) is synthesized by using a simple hydrothermal method followed by vulcanization. The rGO can effectively alleviate the volume expansion of V3S4, impro...
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Article
One-Step Synthesis of N, S Co-doped Porous Carbon Use Ionic Liquid As Dopant for Lithium–Sulfur Batteries
The development of lithium–sulfur batteries is limited due to its notorious "shuttle effect". Heteroatoms are introduced to the host materials to absorb the polysulfides and further to alleviate the shuttle ef...
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Article
Heteroatom‐doped nanoporous carbon with high rate performance as anode for sodium-ion batteries
Heteroatom do** was considered as an effective strategy to improve the electrochemical performance of carbon anode material for sodium-ion batteries (SIBs). In this work, heteroatom (N, P and O)-doped nanopo...
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Article
Facile synthesis of Co9S8@NC anode with enhanced sodium storage and long cycling life
Transition metal sulfides (TMSs) are presently under extensive research and have been regarded as the prospective anode candidates for sodium ion batteries (SIBs). However, the poor intrinsic electrical conduc...
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Article
MoS2 self-embedded in pleated carbon pyrolyzed by ionic liquids as a high-performance anode materials for lithium-/sodium-ion batteries
MoS2 is a promising anode with high theoretical capacity in lithium-/sodium-ion batteries. Nevertheless, the unstable structure and poor conductivity of MoS2 limit its practical applications. Herein, a carbon lay...
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Article
Facile synthesis of graphene-like carbon-coated Ni3S2 nanoparticles self-assembled on 3D dendritic nanostructure as high-performance anode materials of sodium-ion batteries
Although sodium-ion battery is promising to be an alternative to current lithium-ion batteries, it is still facing many challenges and depends on the innovation of the high-performance electrode materials. At ...
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Article
3D Porous iron oxide/carbon with large surface area as advanced anode materials for lithium-ion batteries
Nanostructures have received great attention to improve the performance of lithium-ion batteries, due to their advantages in dealing with critical issues associated with large volume change, low electrical con...
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Article
Ionic liquid-derivatized hierarchical N-doped carbon-coated Co3O4 nanosheet array as high-performance anode materials for lithium-ion batteries
A novel nitrogen-doped carbon-coated graded Co3O4 nanosheets (NDC/Co3O4 NS) is synthesized by using a simple ionic liquid hydrothermal method. The as-prepared NDC/Co3O4 NS is composed of hexagonal nanosheets havi...
