A5010783584- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Magnetic and transport properties of perovskites and related materials
- Physics of Superconductivity and Magnetism
- Advanced Condensed Matter Physics
- Transition Metal Oxide Nanomaterials
- Advanced Thermoelectric Materials and Devices
- Supercapacitor Materials and Fabrication
- Iron-based superconductors research
- Multiferroics and related materials
- Rare-earth and actinide compounds
- Semiconductor materials and devices
- Superconductivity in MgB2 and Alloys
- Magnetic properties of thin films
- Extraction and Separation Processes
- Graphene research and applications
- Chemical Synthesis and Characterization
- Nanowire Synthesis and Applications
- Gas Sensing Nanomaterials and Sensors
- Thermal Expansion and Ionic Conductivity
- MXene and MAX Phase Materials
- TiO2 Photocatalysis and Solar Cells
- Carbon Nanotubes in Composites
- Advanced Optical Network Technologies
- Tropical and Extratropical Cyclones Research
Sichuan University
2023-2025
Hebei Normal University
2011-2025
Southwest Petroleum University
2020-2023
Changsha University of Science and Technology
2022-2023
China United Network Communications Group (China)
2023
Chengdu University
2021
Tiangong University
2020
First People’s Hospital of Jingmen
2016
Weihai Municipal Hospital
2008-2013
University of Kansas
2008-2009
Na3V2(PO4)3 (NVP) is one of the most potential cathode materials for sodium-ion batteries (SIBs), but its actual electrochemical performance limited by defects large electron and ion transfer resistance. Multicomponent design considered an effective method to optimize conductivity NVP electrodes. Therefore, Cr Si are added in form a multielement component Na3V1.9Cr0.1(PO4)2.9(SiO4)0.1 (NVP-CS). It confirmed that 3d electrons beneficial improving increasing average activating V4+/V5+....
Preoxidation is an effective strategy to inhibit the graphitization of coals during carbonization. However, single effect traditional preoxidation could barely increase surface-active sites, hindering further enhancement sodium storage. Herein, a multieffect was proposed suppress structural rearrangement and create abundant sites. Mg(NO3)2·6H2O helps introduce oxygen-containing functional groups into bituminous coal at 450 °C, which acted as cross-linking agent carbon layers promote...
The sodium super ion conductor (NASICON) structure materials are essential for sodium-ion batteries (SIBs) due to their robust crystal structure, excellent ionic conductivity, and flexibility regulate element valence. However, the poor electronic conductivity inferior energy density caused by nature of these have always been obstacles commercialization. Herein, using yeast as a template derive NASICON Na3MnTi(PO4)3 (NMTP) (noted Yeast@NMTP/C) is presented. Yeast@NMTP/C material retains...
Sodium-ion batteries (SIBs) are regarded as an important substitute for lithium-ion (LIBs) due to their abundant and widespread raw material resources. The choice of the cathode has a great influence on electrochemical performance battery, Na3V2(PO4)3 (NVP) is one most promising cathodes SIBs. Its special NASICON (Na superionic conductor) three-dimensional structure conducive achieving excellent structural thermal stability during charging discharging process. Moreover, it flat...
During recent years, emerging electrochemical energy storage systems beyond lithium-ion batteries have attracted extensive interest, in which large amounts of studies focused on the investigation various electrode materials and where vanadium-based received great attention particularly. In this review, order to systematically understand upstream downstream relationships vanadium, an overview research vanadium resources extraction is presented. Vanadium techniques are classified into three...
Carbon additives regulate Na 3 V 2 (PO 4 ) F crystal growth, achieving 82% exposure of the (002) active facet. The exposed facet offers stable + -storage sites, lower diffusion barriers, and enhanced kinetics/stability.
Suspended single-wall carbon nanotube (SWCNT) thin film bolometers have been fabricated on microchannels patterned Si substrates using electron-beam lithography. The much improved bolometric photoresponse is attributed to the reduced thermal link between SWCNT bolometer and substrate, which can be controlled by tuning width spacing of microchannels. detectivity D∗ up 4.5×105 cm Hz1/2/W has obtained at room temperature, least five times better than that unsuspended counterpart may further via...
Abstract A new concentrated ternary salt ether‐based electrolyte enables stable cycling of lithium metal battery (LMB) cells with high‐mass‐loading (13.8 mg cm −2 , 2.5 mAh ) NMC622 (LiNi 0.6 Co 0.2 Mn O 2 cathodes and 50 μm Li anodes. Termed “CETHER‐3,” this is based on LiTFSI, LiDFOB, LiBF 4 5 vol% fluorinated ethylene carbonate in 1,2‐dimethoxyethane. Commercial state‐of‐the‐art binary ether electrolytes were also tested as baselines. With CETHER‐3, the electrochemical performance...
The magnetic and transport properties of the Co2FeGa Heusler alloy have been investigated. results show that temperature dependence magnetization follows spin-wave behaviour at low temperature. electrical resistivity behaves according to a ~T2 power law, which may be mainly attributed electron–electron scattering, contribution electron–phonon scattering seems small. We not observed remarkable magnetoresistance in our measurements. Point contact Andreev reflection measurements...
(A)[B]2O4 ferrite samples with the composition Co1−xCrxFe2O4 (0.0 ≤ x 1.0) are prepared using a hydrothermal method, and subjected to calcining in atube furnace an argon-flow at 1673 K for 2 h. X-ray diffraction patterns indicate that each of all has single phase cubic spinel structure space group Fdm. Magnetic measurements show saturation magnetization decreases as Cr content increases. The cation distribution is estimated by fitting dependence magnetic moments on 10 K, quantum mechanical...
We develop a microwave-assisted solid-phase synthesis (MASS) for Na₃V₂(PO₄)₂F₃ (NVPF) using NH₄F, NH₄VO₃, and Na₂CO₃ precursors, achieving ultrafast (40 minutes) fractal microstructure with uniform carbon coating. The...
Atomic layer deposition (ALD) of cobalt carbide thin films is reported by using bis(N,N′-diisopropylacetamidinato)cobalt(II) (Co(amd)2) and H2 plasma. The process shows a good self-limiting ALD film growth behavior for fairly wide temperature range from 70 to 160 °C, the rate 0.066 nm/cycle within range. deposited are generally smooth pure, composition approximately Co3C0.7 at 80–200 °C. Notably, all carbon in as-deposited forms carbide, no carbon–carbon bonds detected X-ray photoelectron...
Boosting the anion redox reaction opens up a possibility of further capacity enhancement on transition-metal-ion redox-only layer-structured cathodes for sodium-ion batteries. To mitigate deteriorating impact internal and surface structure cathode caused by inevitable increase in operation voltage, probing solution to promote bulk-phase crystal stability chemistry environment facilitate electrochemical performance is key issue. A dual modification strategy establishing an hybrid activation...