Sep 17, 2018 · To understand this, we measured ex situ V L-edge, C and O K-edge XAS of the electrodes at different states of charge through the electrolyte side by both TEY (figure 5) and TFY modes (figure S7). The intensity of V L-edge XAS is …

Vanadium disulfide (VS2) is deemed to be a competitive active material in electrochemical energy storage field in both lithium-ion battery and supercapacitor owing to its unique chemical and ...

Aug 27, 2023 · Herein, the robust 2D VS 2 / Ti 3 C 2 T x MXene nanostructures with the strong Ti─S covalent bond synthesized by a one-pot self-assembly approach are developed. The strong interfacial interaction renders the material of good structural durability and …

Jan 30, 2025 · In the present study, vanadium disulfide (VS 2), an underexplored TMD, is investigated as an electrode material for supercapacitors. VS 2 nanosheets are synthesized via a single-step hydrothermal method at 220 °C for 24 h.

X-ray absorption spectroscopy (XAS) is a set of advanced techniques used for probing the local environment of matter at atomic level and its electronic structure. [1] The experiments require access to synchrotron radiation facilities for their intense and tunable X-ray beams.

VS2 is Molybdenite structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is two-dimensional and consists of two VS2 sheets oriented in the (0, 0, 1) direction. V4+ is bonded to six equivalent S2- atoms to form distorted edge-sharing VS6 pentagonal pyramids.

Dec 16, 2021 · In this contribution, first the ammonia sensing properties of VS2 nanosheets (NSs)-based chemiresistive gas sensor are reported. VS2 NSs are synthesized through facile liquid-phase exfoliation,...

Herein, we report the synthesis of boron doped VS2 (B-VS2) as an advanced NRR electrocatalyst with stable V4+ for efficient catalytic performance. X-ray absorption spectroscopy (XAS) proves that B-doping virtually induces the formation of B-S-V …

A novel NiFe2O4@Ni–Mn LDH/NF composite was synthesized by deriving bimetallic FeNi-MIL-88, and has potential application as a high-performance supercapacitor. ... Fe3O4 is a promising conversion electrode material for Li ion batteries with high specific capacity.

absorption spectroscopy (XAS) as well as resonant inelastic x-ray scattering (RIXS, V L-edge), to investigate the evolution of the structural, physical, and chemical properties of the VS 2 nanosheets used as the electrode material for LIBs in order to understand the electrochemical reaction and capacity fading mechanism.