A5034632101- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- MXene and MAX Phase Materials
- Advanced battery technologies research
- 2D Materials and Applications
- Advanced Battery Technologies Research
- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion
- Perovskite Materials and Applications
- Graphene research and applications
- Extraction and Separation Processes
- Quantum Dots Synthesis And Properties
- Fuel Cells and Related Materials
- Transition Metal Oxide Nanomaterials
- Copper-based nanomaterials and applications
- Catalytic Processes in Materials Science
- Gas Sensing Nanomaterials and Sensors
- Covalent Organic Framework Applications
- Tribology and Wear Analysis
- Ammonia Synthesis and Nitrogen Reduction
- TiO2 Photocatalysis and Solar Cells
- CO2 Reduction Techniques and Catalysts
- X-ray Diffraction in Crystallography
- Hydrogels: synthesis, properties, applications
Guilin Electrical Equipment Research Institute
2019-2025
Tsinghua University
2024-2025
State Key Laboratory of Chemical Engineering
2024
East China University of Science and Technology
2024
Southern University of Science and Technology
2015-2024
Xi'an Jiaotong University
2014-2024
Max-Planck-Institut für Nachhaltige Materialien
2021-2024
Hubei University of Technology
2023-2024
Tianjin University
2022-2024
University of Hong Kong
2016-2023
Abstract As a fast emerging topic, van der Waals (vdW) heterostructures have been proposed to modify two-dimensional layered materials with desired properties, thus greatly extending the applications of these materials. In this work, stacking characteristics, electronic structures, band edge alignments, charge density distributions and optical properties blue phosphorene/transition metal dichalcogenides (BlueP/TMDs) vdW were systematically studied based on corrected functional theory....
Abstract It is a challenge to prepare organic electrodes for sodium-ion batteries with long cycle life and high capacity. The highly reactive radical intermediates generated during the sodiation/desodiation process could be critical issue because of undesired side reactions. Here we present durable stabilized α-C intermediate. Through resonance effect as well steric effects, excessive reactivity unpaired electron successfully suppressed, thus developing an electrode stable cycling over 2,000...
Phosphorus doping is an effective strategy to simultaneously improve the electronic conductivity and regulate ionic diffusion kinetics of TiO2 being considered as anode materials for sodium ion batteries. However, efficient phosphorus at high concentration in well-crystallized nanoparticles still a big challenge. Herein, we propose defect-assisted selectively engineer surface structure nanoparticles. The reduced TiO2-x shell layer that rich oxygen defects Ti3+ species precisely triggered...
Abstract All-solid-state lithium-based batteries with inorganic solid electrolytes are considered a viable option for electrochemical energy storage applications. However, the application of lithium metal is hindered by issues associated growth mossy and dendritic Li morphologies upon prolonged cell cycling undesired reactions at electrode/solid electrolyte interface. In this context, alloy materials such as lithium-indium (Li-In) alloys widely used laboratory scale because their...
The idea of forming van der Waals (vdW) heterostructures by integrating various two-dimensional materials breaks the limitation restricted properties single material systems. In this work, electronic structure modulation, stability, entire stress response and Li adsorption combining blue phosphorene (BlueP) MS2 (M = Nb, Ta) together were systematically investigated using first-principles calculations based on vdW corrected density functional theory. We revealed that BlueP/MS2 possess good...
High-energy-density lithium-ion batteries (LIBs) that can be safely fast-charged are desirable for electric vehicles. However, sub-optimal lithiation potential and low capacity of commonly used LIBs anode cause safety issues energy density. Here we hypothesize a cobalt vanadate oxide, Co2VO4, attractive material fast-charging due to its high (~ 1000 mAh g-1) safe 0.65 V vs. Li+/Li). The Li+ diffusion coefficient Co2VO4 is evaluated by theoretical calculation as 3.15 × 10-10 cm2 s-1, proving...
Abstract Compared to traditional lithium‐ion batteries with liquid electrolytes, all‐solid‐state lithium have attracted extensive attention due their heightened safety and energy density. Lithium argyrodite materials are promising solid electrolytes (SE) high ionic conductivity, low grain boundary resistance, favorable mechanical properties. However, the poor chemical/electrochemical stability of toward bare metal anode inhibits applications in (ASSLMBs). Here, Li‐SnF 2 composite anodeswas...
The rGO/SnS<sub>2</sub>/TiO<sub>2</sub>heterostructured composite exhibits superior Li-ion storage property by dual-confinement from N–Sn/C–S chemical bonding and TiO<sub>2</sub>decoration.
A lithium-sulfur (Li-S) battery is widely regarded as one of the most promising technologies for energy storage because its high theoretical density and cost advantage. However, shuttling soluble polysulfides between cathode anode consequent lithium degradation strongly limit safety electrochemical performance in Li-S battery. Herein, a metal-organic-framework (MOF)-modified gel polymer electrolyte (GPE) employed order to stablize anode. In view abundant pores MOF skeleton, as-prepared GPE...
Surface passivation has become a routine strategy of design to mitigate the chemomechanical degradation high-capacity electrodes by regulating electrochemical process lithiation and managing associated deformation dynamics. Oxides are prevalent materials used for surface coating. Lithiation SiO2 leads drastic changes in its electro-chemo-mechanical properties from an electronic insulator brittle material pure form conductor sustainable large lithiated form. We synthesized SiO2-coated SiC...
Abstract Rechargeable potassium‐ion batteries (PIBs) have attracted tremendous attention as potential electrical energy storage systems due to the special merit of abundant resources and low cost potassium. However, one critical barrier achieve practical application PIBs has been lack suitable electrode materials. Here, a novel flexible membrane consisting N, P codoped carbon nanofibers decorated with MoP ultrafine nanoparticles (MoP@NPCNFs) is fabricated via simple electrospinning method...
Three-dimensional graphene aerogel/TiO2/sulfur (GA/TiO2/S) composites are synthesized through a facile, one-pot hydrothermal route as the cathode for lithium-sulfur batteries. With high sulfur content of 75.1 wt %, conductive, highly porous composite electrode delivers discharge capacity 512 mA h/g after 250 cycles at current rate 1 C with low decay 0.128% per cycle. The excellent capacities and cyclic stability arise from several unique functional features cathode. (i) conductive aerogel...
Effective hosts of sulfur are essential for the application lithium-sulfur batteries. However, various refined nanomaterials or carbon-based possess low density, high surface area, and large porosity, leading to undesirable reduction on both gravimetric volumetric energy densities. Herein, spherical metal oxides with tap density introduced as carbon-free first time. The ternary show a superior synergistic effect adsorption electrocatalytic conversion soluble intermediate polysulfides....
Hard carbons are promising anodes for sodium-ion batteries (SIBs). However, the low practical capacity from limited sodiation sites impedes their applications. Herein, ultrahigh concentration of pyridine N (≈7.9%) is introduced inside hard carbon, considering that may provide extra sodium storage with stable CN• and CC• radicals during cycling. To expose more radical storage, a 3D structure multistage pore constructed through NH3 release pyrolyzation process. As expected, carbon exhibits...
Sodium-ion batteries (SIBs) are promising candidates for large-scale energy storage systems due to the abundance and wide distribution of sodium resources. Various solutions have been successfully applied revolve large-ion-size-induced battery issues at mid-to-low current density range. However, fast-charging properties SIBs still in high demand accommodate increasing needs large grid scales. Herein, a core-shell Co2VO4/carbon composite anode is designed tackle problem SIBs. The synergetic...
Intermetallic compounds (IMCs) are widely employed in heterogeneous catalysis. In this paper, the performance and mechanism of In–Ni IMCs with different structures (InNi3, InNi2, InNi, In3Ni2) reverse water gas shift (RWGS) reaction reported. situ spectroscopic microscopic characterizations combined density functional theory (DFT) calculation demonstrated that increase In/Ni ratio enhanced selectivity CO by inhibiting adsorption CO* via "active site isolation." Ni, as active CO2...