Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
Nanowires (NWs) synthesized via chemical vapor deposition (CVD) have demonstrated significant improvement in lithium storage performance along with their outstanding accommodation of large volume changes during the charge/discharge process. Nevertheless, NW electrodes have been confined to the research level due to the lack of scalability and severe side reactions by their high surface area. Here, we present nanoporous Ge nanofibers (NPGeNFs) having moderate nanoporosity via a combination of simple electrospinning and a low-energetic zincothermic reduction reaction. In contrast with the CVD-assisted NW growth, our method provides high tunability of macro/microscopic morphologies such as a porosity, length, and diameter of the nanoscale 1D structures. Significantly, the customized NPGeNFs showed a highly suppressed volume expansion of less than 15% (for electrodes) after full lithation and excellent durability with high lithium storage performance over 500 cycles. Our approach offers effective 1D nanostructuring with highly customized geometries and can be extended to other applications including optoelectronics, catalysis, and energy conversion.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1021/acsnano.8b03278 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Electronegativity-Induced Jahn-Teller Distortion Boosts Li-S Conversion on Asymmetric Cu Single-Atom Catalysts.
J Phys Chem A
September 2025
Department of Chemistry, Tsinghua University, Beijing 100084, China.
A series of Cu-based single-atom catalysts (SACs) with asymmetric coordination were designed to accelerate lithium-sulfur (Li-S) chemistry. The electronegativity contrast from the dopant induces a localized electronic asymmetry that amplifies Jahn-Teller distortion at the Cu center. This distortion profoundly modulates the Cu 3d electronic structure and its interaction with Li-S intermediates.
View Article and Find Full Text PDFExploring the Effect of Anion Substitution on the Solid Ionic Conductor NaTaCl.
Inorg Chem
September 2025
Institute of Inorganic and Analytical Chemistry, University of Münster, Corrensstraße 28/30, 48149 Münster, Germany.
Isovalent anion substitution has been shown to have a tremendous effect on the transport properties in lithium halide solid ionic conductors. Although sodium-ion solid state batteries based on chloride ionic conductors have recently gathered significant attention, investigations of anion substitution in sodium containing chlorides remain scarce. Here, we investigate the role of Br isoelectronic anion substitution in a perovskite-related compound with nominal composition of NaTaCl.
View Article and Find Full Text PDFConfinement-Tailored High-Concentration Electrolytes in Metal-Organic Frameworks for Durable Lithium-Metal Batteries.
Small
September 2025
School of Materials Science and Engineering, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou, 310027, P. R. China.
High-concentration electrolytes (HCEs) face inherent challenges such as high viscosity and diminished ionic conductivity caused by the formation of three-dimensional (3D) anion networks, which limit their practical applications. In this study, it is demonstrated that encapsulating HCEs within metal-organic frameworks (MOFs) effectively disrupts these 3-D networks, resulting in significantly enhanced ionic conductivity. Raman spectroscopy, nuclear magnetic resonance (NMR), and molecular dynamics (MD) simulations reveal a significant reduction in aggregates (AGGs)-state anion within MOF-confined electrolytes, confirming the reconstruction of the solvation environment.
View Article and Find Full Text PDFComprehensive structural and electrical characterization of lithium metavanadate for advanced lithium-ion battery cathodes.
RSC Adv
September 2025
Laboratory of Spectroscopic Characterization and Optical Materials, Faculty of Sciences, University of Sfax B.P. 1171 3000 Sfax Tunisia
Lithium metavanadate (LiVO) is a material of growing interest due to its monoclinic 2/ structure, which supports efficient lithium-ion diffusion through one-dimensional channels. This study presents a detailed structural, electrical, and dielectric characterization of LiVO synthesized a solid-state reaction, employing X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDS), and impedance/dielectric spectroscopy across a temperature range of 473-673 K and frequency range of 10 Hz to 1 MHz. XRD and Rietveld refinement confirmed high crystallinity and single-phase purity with lattice parameters = 10.
View Article and Find Full Text PDFSingle-Molecule Dual-Anchor Design Enables Extreme-Condition Lithium Metal Batteries Through Solvation Reconstruction and Cathode Polymerization.
Angew Chem Int Ed Engl
September 2025
State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology of Materials, Beijing University of Chemical Technology, Beijing, 10029, P.R. China.
Lithium metal batteries (LMBs) have emerged as the most promising candidate for next-generation high-energy-density energy storage systems. However, their practical implementation is hindered by the inability of conventional carbonate electrolytes to simultaneously stabilize the lithium metal anode and LiNiCoMnO (NCM811) cathode interfaces, particularly under extreme operating conditions. Herein, we present a transformative molecular design using 3,5-difluorophenylboronic acid neopentyl glycol ester (DNE), which uniquely integrates dual interfacial stabilization mechanisms in a single molecule.
View Article and Find Full Text PDF