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Article
External-pressure–electrochemistry coupling in solid-state lithium metal batteries
Solid-state lithium metal batteries (SSLBs) using inorganic solid-state electrolytes (SSEs) have attracted extensive scientific and commercial interest owing to their potential to provide higher energy density...
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Article
Open AccessAchieving high-performance sodium metal anodes: From structural design to reaction kinetic improvement
Sodium metal is one of the ideal anodes for high-performance rechargeable batteries because of its high specific capacity (~ 1166 mAh·g−1), low reduction potential (−2.71 V compared to standard hydrogen electrode...
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Article
Flexible sodium-ion capacitors boosted by high electrochemically-reactive and structurally-stable Sb2S3 nanowire/Ti3C2Tx MXene film anodes
The rapid development of portable, foldable, and wearable electronic devices requires flexible energy storage systems. Sodium-ion capacitors (SICs) combining the high energy of batteries and the high power of ...
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Sulfur-Containing Polymer Cathode Materials for Li–S Batteries
Due to high density and low cost of sulfur, lithium-sulfur batteries are of great promise to substitute in a variety of , ranging from electric vehicles to portable electronics. Unfortunately, while provi...
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Article
Supercool sulfur
On two-dimensional layered materials, elemental sulfur can be controllably generated in a supercooled liquid state with enhanced electrochemical figures of merit compared to solid sulfur.
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Article
Hierarchical sodium-rich Prussian blue hollow nanospheres as high-performance cathode for sodium-ion batteries
Recently, Prussian blue and its analogues (PBAs) have attracted tremendous attention as cathode materials for sodium-ion batteries because of their good cycling performance, low cost, and environmental friendl...
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Article
Production of MoS2/CoSe2 hybrids and their performance as oxygen reduction reaction catalysts
A series of MoS2/CoSe2 hybrids with different weight ratios of MoS2 and CoSe2 were prepared by two different hydrothermal methods. The synthesized MoS2/CoSe2 hybrids were characterized by X-ray diffraction, X-ray...
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Article
Open AccessRuthenium nanocrystal decorated vertical graphene nanosheets@Ni foam as highly efficient cathode catalysts for lithium-oxygen batteries
The electrochemical performance of lithium-oxygen (Li-O2) batteries can be markedly improved through designing the architecture of cathode electrodes with sufficient spaces to facilitate the diffusion of oxygen a...
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Article
Open AccessGold nanocrystals with variable index facets as highly effective cathode catalysts for lithium–oxygen batteries
Cathode catalysts are the key factor in improving the electrochemical performance of lithium–oxygen (Li–O2) batteries via their promotion of the oxygen reduction and oxygen evolution reactions (ORR and OER). Gene...
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Article
Porous carbon particles derived from natural peanut shells as lithium ion battery anode and its electrochemical properties
Abandoned peanut shells, a common farm waste, have caused tremendous environmental pollution and huge waste deposits through burned and buried disposal approaches. In targeting to enhance the potential value o...
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Article
Mesocrystal Co3O4 nanoplatelets as high capacity anode materials for Li-ion batteries
Faceted crystals with exposed highly reactive planes have attracted intensive investigations for applications. Herein, we demonstrate a general synthetic method to prepare mesocrystal Co3O4 with predominantly exp...
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Article
Hierarchical 3D mesoporous silicon@graphene nanoarchitectures for lithium ion batteries with superior performance
Silicon has been recognized as the most promising anode material for high capacity lithium ion batteries. However, large volume variations during charge and discharge result in pulverization of Si electrodes a...
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Article
Open Accessβ-MnO2 nanorods with exposed tunnel structures as high-performance cathode materials for sodium-ion batteries
Sodium-ion batteries are being considered as a promising system for stationary energy storage and conversion, owing to the natural abundance of sodium. It is important to develop new cathode and anode material...
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Article
Nanocomposites of CoO and a mesoporous carbon (CMK-3) as a high performance cathode catalyst for lithium-oxygen batteries
A nanocomposite of CoO and a mesoporous carbon (CMK-3) has been studied as a cathode catalyst for lithium-oxygen batteries in alkyl carbonate electrolytes. The morphology and structure of the as-prepared nanoc...
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Article
Glycothermal synthesis of assembled vanadium oxide nanostructures for gas sensing
This study demonstrates a facile but effective glycothermal method to synthesize vanadium oxide nanostructures for gas sensing detection. In this method, sodium orthovanadate was first dispersed and heated in ...
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Article
Open AccessGraphene-supported SnO2 nanoparticles prepared by a solvothermal approach for an enhanced electrochemical performance in lithium-ion batteries
SnO2 nanoparticles were dispersed on graphene nanosheets through a solvothermal approach using ethylene glycol as the solvent. The uniform distribution of SnO2 nanoparticles on graphene nanosheets has been confir...
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Article
Open AccessLiNi0.4Co0.3Mn0.3O2 thin film electrode by aerosol deposition
LiNi0.4Co0.3Mn0.3O2 thin film electrodes are fabricated from LiNi0.4Co0.3Mn0.3O2 raw powder at room temperature without pretreatments using aerosol deposition that is much faster and easier than conventional meth...
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Article
Open AccessEffect of Topological Defects on Buckling Behavior of Single-walled Carbon Nanotube
Molecular dynamic simulation method has been employed to consider the critical buckling force, pressure, and strain of pristine and defected single-walled carbon nanotube (SWCNT) under axial compression. Effec...
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Article
Open AccessHydrothermally Processed Oxide Nanostructures and Their Lithium–ion Storage Properties
Y- and Si-based oxide nanopowders were synthesized by a hydrothermal reaction of Y or Si powders with NaOH or LiOH aqueous solution. Nanoparticles with different morphology such as elongated nanospheres, flowe...
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Article
Consideration of mechanical properties of single-walled carbon nanotubes under various loading conditions
In this article, mechanical properties of single-walled carbon nanotubes (SWCNTs) with various radiuses under tensile, compressive and lateral loads are considered. Stress–strain curve, elastic modulus, tensil...
