Delaying the volume-change of CaCoO/rGO as an anode for high-performance lithium-ion and sodium-ion batteries.

CaCoO/rGO was prepared by combining a sol-gel strategy and mechanical ball milling method. The Rietveld refinement results demonstrated a single-phase structure with a monoclinic symmetry. When utilized as an anode for lithium-ion batteries, it exhibited excellent rate performance and electrochemical stability due to the significantly decreasing particle size as well as the formation of a conductive rGO network in the composite after ball milling.

A Novel Hydrated Iron Vanadate Cathode Material for Advanced Aqueous Nickel-Ion Batteries.

Aqueous nickel-ion batteries (ANIBs) as an emerging energy storage device attracted much attention owing to their multielectron redox reaction and dendrite-free Ni anode, yet their development is hindered by the divalent properties of Ni and the lack of suitable cathode materials. Herein, a hydrated iron vanadate (FeVO∙1.5HO, FOH) with a preferred orientation along the (200) plane is innovatively proposed and used as cathode material for ANIBs.

Unusual Dual-Site Substitution Adjusts the Degree of Stacking Disorder in Honeycomb NaNiSbO Cathode for Sodium-Ion Batteries.

O'3-NaNiSbO with a honeycomb cation order, as a potential cathode, presents simplified phase-transition steps and a high average voltage. To mitigate the intrinsic phase irreversibility, Mg, Zn, and Co have been introduced to displace part of the Ni, which inevitably reduces the theoretical capacity related to the Ni/Ni redox reaction. In this work, an unusual dual-site substitution is carried out to increase the P'3-O'3 structure reversibility without sacrificing the practical capacity.

A novel strategy electrode catalysis induced nano transformation for lithiated-bimetallic-oxides to avoid the long activation process of advanced lithium-ion batteries.

Improving the anode materials for lithium-ion batteries with a long activation process, poor cycle stability, and low Coulomb efficiency is of great significance for developing novel high-performance anode materials. Orthorhombic LiVMoO with high specific capacity was applied to the anode field of lithium-ion battery for the first time. However, the activation process led to its poor cyclic performance.

Insights into the enhanced electrochemical performance of MnVO nanoflakes as an anode material for advanced lithium storage.

Binary transition metal oxides (BTMOs) are regarded as potential anode materials for lithium-ion batteries (LIBs) owing to their low cost, high specific capacities, and environmental friendliness. In this work, MnVO nanoflakes are successfully synthesized by a facile hydrothermal method. When evaluated as an anode material for LIBs, benefiting from the activation process, the as-prepared MnVO nanoflake electrode delivers a high reversible specific capacity of 1439 mA h g after 300 cycles at a current density of 200 mA g, and especially presents a specific capacity of 1010 mA h g after 700 cycles at a higher current density of 1 A g.

Cubic MnVO fabricated through a facile sol-gel process as an anode material for lithium-ion batteries: morphology and performance evolution.

Metal vanadates have been popularly advocated as promising anode materials for lithium-ion batteries (LIBs) benefiting from their high theoretical specific capacity and abundant resources. Given that manganese and vanadium are reasonably economical elements and enjoy assorted redox reactions, they have extensive application prospects in energy storage systems. Here, we synthesized cubic MnVO as an anode for LIBs by an efficient sol-gel process.

Preparation and electrochemical performance of nanowire-shaped NaMnFe(PO)(PO) for sodium-ion and lithium-ion batteries.

A series of Fe-doped NaMnFe(PO)(PO) ( = 0, 0.2, 0.4) (abbreviated as NMFP-0/NMFP-0.

MgMoO as an anode material for lithium ion batteries and its multi-electron reaction mechanism.

Single-phase magnesium molybdate, MgMoO, is successfully synthesized by a facile sol-gel method. Attributed to the multielectron reaction and the synergistic effect of the elements molybdenum (Mo) and magnesium (Mg), the MgMoO electrode exhibits excellent electrochemical properties. After activation, benefiting from the decrease in particle size and the uniform nanosphere morphology, the MgMoO electrodes can deliver a stable high specific capacity of about 1060 mA h g at a current density of 100 mA g after 600 cycles.

Synthesis of a full range Fe-doped ZnFeCoO and its application as anode material for lithium-ion battery.

Fe-Doped ZnFeCoO ( = 0.00, 0.17, 0.

Facile synthesis of one-dimensional vanadyl acetate nanobelts toward a novel anode for lithium storage.

Transition metal oxides (TMOs) are prospective anode materials for lithium-ion batteries (LIBs), owing to their high theoretical specific capacity. However, the inherently low conductivity of TMOs restricts their application. The coupling of lithium-ion conducting polymer ligands with TMO structures is favorable for the dynamics of electrochemical processes.

The facile synthesis and electrochemical performance of NiVO as a novel anode material for lithium-ion batteries.

The single-phase binary nickel vanadate Ni2V2O7 was successfully synthesized by a simple solid-state method to explore novel anode materials for lithium-ion batteries. After an activation process, the Ni2V2O7 electrode exhibited excellent electrochemical performance with a stable, high specific capacity of about 960 mA h g-1 at a current density of 100 mA g-1, which is attributed to the multiple valence states and the synergistic effect of the transition elements V and Ni. Even at a high current density of 2000 mA g-1, a stable specific capacity of about 400 mA h g-1 was still obtained.

In situ hydrothermal synthesis of double-carbon enhanced novel cobalt germanium hydroxide composites as promising anode material for sodium ion batteries.

Germanium (Ge)-based materials are considered to be one of the most promising anode materials for sodium-ion batteries (SIBs). Nevertheless, the practical electrochemical performance is severely hampered by poor cyclability due to volumetric expansion of Ge upon cycling. Herein, double-carbon confined cobalt germanium hydroxide (CGH@C/rGO) composites has been facilely synthesized with the supportion of l-ascorbic acid and graphene oxide (GO) as anode materials for sodium-ion storage.

Electrochemically Induced Structural and Morphological Evolutions in Nickel Vanadium Oxide Hydrate Nanobelts Enabling Fast Transport Kinetics for High-Performance Zinc Storage.

Suitable intercalation cathodes and fundamental insights into the Zn-ion storage mechanism are the crucial factors for the booming development of aqueous zinc-ion batteries. Herein, a novel nickel vanadium oxide hydrate (NiVO·0.88HO) is synthesized and investigated as a high-performance electrode material, which delivers a reversible capacity of 418 mA h g with 155 mA h g retained at 20 A g and a high capacity of 293 mA h g in long-term cycling at 10 A g with 77% retention after 10,000 cycles.

A 3D interconnected NHFeVO@C nanocomposite with superior sodium storage properties.

A novel 3D interconnected NH4Fe0.6V2.4O7.

Mo Doping in LiVO Anode for Li-Ion Batteries: Significantly Improve the Reversible Capacity and Rate Performance.

Consider the almost insulator for pure LiVO with a band gap of 3.77 eV, to significantly improve the electrical conductivity, the novel LiVMoO (x = 0.00, 0.

Superstructure ZrVO nanofibres: thermal expansion, electronic and lithium storage properties.

ZrVO has attracted much attention as a negative thermal expansion (NTE) material due to its isotropic negative structure. However, rarely has investigation of the lithium storage behaviors been carried out except our first report on it. Meanwhile, the electrochemical behaviors and energy storage characteristics have not been studied in depth and will be explored in this article.

Synthesis of the Carbon-Coated Nanoparticle CoS and Its Electrochemical Performance as an Anode Material for Sodium-Ion Batteries.

A CoS/C nanocomposite is prepared using a solid-state reaction followed by a facile mechanical ball-milling treatment, with sucrose as the carbon source. The phases, morphologies, and detailed structures of the CoS/C nanocomposite are well-characterized using X-ray diffraction (XRD), X-ray photoelectron spectroscopy, and high-resolution transmission electron microscopy. When evaluated as an anode material for sodium-ion batteries, the CoS/C nanocomposite electrode displays a reversible capacity of ∼567 mA h g in the initial cycle and maintains a reversible capacity of ∼320 mA h g after 30 cycles, indicating a larger capacity and a stable cycling performance.

Synthesis and structural data of a Fe-base sodium metaphosphate compound, NaFe(PO3)3.

This data article contains the synthesis and structure information of a new Fe-base sodium metaphosphate compound, which is related to the research article entitled 'Synthesis, structural, magnetic and sodium deinsertion/insertion properties of a sodium ferrous metaphosphate, NaFe(PO3)3' by Lin et al. [1]. The research article has reported a new Fe-base metaphosphate compound NaFe(PO3)3, which is discovered during the exploration of the new potential electrode materials for sodium-ion batteries.

Nanotube Li₂MoO₄: a novel and high-capacity material as a lithium-ion battery anode.

Carbon-coated Li2MoO4 hexagonal hollow nanotubes were fabricated via a facile sol-gel method involving the solution synthesis of Li2MoO4 with subsequent annealing under an inert atmosphere to decompose the organic carbon source. To the best of our knowledge, this is the first report on the synthesis of Li2MoO4 nanotubes. More significantly, we have found that Li2MoO4 can be used as an anode material for lithium-ion batteries (LIBs).

Hydrothermal synthesis and electrochemical properties of Li₃V₂(PO₄)₃/C-based composites for lithium-ion batteries.

To improve performance at higher rates, we developed a hydrothermal method to prepare carbon-coated monoclinic lithium vanadium phosphate (Li(3)V(2)(PO(4))(3)) powder to be used as a cathode material for Li-ion batteries. The structural, morphological and electrochemical properties were characterized by X-ray diffraction (XRD), scanning and transmission electron microscopy (SEM and TEM), and galvanostatic charge-discharge cycling. A superior cycle and rate behavior are demonstrated for Li(3)V(1.