A5000499887- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Advanced Sensor and Control Systems
- Industrial Technology and Control Systems
- Air Quality Monitoring and Forecasting
- Magnetic Properties and Synthesis of Ferrites
- Water Quality Monitoring and Analysis
- Vehicle Noise and Vibration Control
- Marine and coastal ecosystems
- Complex Systems and Time Series Analysis
- Chaos control and synchronization
- Acoustic Wave Phenomena Research
- Effects of Vibration on Health
- Ferroelectric and Piezoelectric Materials
- Numerical methods for differential equations
- Gene Regulatory Network Analysis
- Mechanical Engineering and Vibrations Research
- Embedded Systems and FPGA Design
- Stability and Controllability of Differential Equations
- Advanced Measurement and Detection Methods
- Financial Reporting and Valuation Research
- Nonlinear Differential Equations Analysis
- Hydraulic and Pneumatic Systems
Hohai University
2025
TianjinSino-German University of Applied Sciences
2018-2024
Hebei University of Technology
2018-2022
Tianjin University of Technology and Education
2009-2012
Zhejiang University
2004-2005
Institute of Modern Physics
2004-2005
Amplifier-free coherent systems are promising for short-reach links, but these constrained by signal peak power instead of average power. In this paper, we propose a novel, to the best our knowledge, quadrant-partitioning uniformly distributed modulation (QP-UDM) scheme peak-power-constrained amplifier-free systems. The proposed achieves finer orders than conventional UDM schemes. It also avoids problem in amplitude-division irregular quadrature amplitude modulation, where order check bit...
We investigate the distribution and evolution of gas in different theoretical models, including hydrodynamical simulations IllustrisTNG SIMBA, semi-analytical model GAEA, empirical NeutralUniverseMachine (NUM). By comparing predictions for mass function (HIMF) relations, conditional (CHIMF) halo occupation (HOD) galaxies, we find that all models show reasonable agreement with observed HIMF at z∼0. However, differences become much larger higher redshifts z=1 z=2. The NUM shows remarkable...
As an integral part of a lithium-ion battery, carbonaceous conductive agents have important impact on the performance battery. Carbon sources (e.g., granular Super-P and KS-15, linear carbon nanotube, layered graphene) with different morphologies were added into battery as agents, effects their electrochemical processability spherical lithium iron phosphate investigated. The results show that nanotube graphene enable to efficiently connect cathode materials, which contribute improving...
A LiMn 0.6 Fe 0.4 PO 4 /CA composite with a high tap density and superior electronic conductivity is synthesized by combination of wet ball-milling, spray drying, carbothermal reduction Carbon aerogel (CA) as carbon additive. CA porous nanomaterial very large specific surface area. There are 3D network structure between the primary particles when used for coating. This not only beneficial improvement but also can absorb amount electrolyte, which helps to improve Li + exchange rate electrode...
Abstract High tap density and superior electronic conductivity of LiFePO 4 /KB was synthesized by a combination wet ball‐milling, spray drying, carbothermal reduction with Ketjen black (KB) as carbon additive. KB is conductive the special chain‐like structure. When used to coat on surface primary particles , structure can form developed 3D network between . This not only provide channels for electrons but also cause aggregate tightly. Comparing conventional coating materials (only glucose...
In this paper, a water-based binder was prepared by blending polyacrylic acid (PAA) and polyvinyl alcohol (PVA). The effects of the on internal resistance electrochemical performance lithium iron phosphate batteries were analyzed comparing it with LA133 water PVDF (polyvinylidene fluoride). First, positive electrode sheets using PVDF, PAA/PVA as binders, respectively. binders resistivity compaction density analyzed. Secondly, buckle battery 14500 steel shell full influence materials...
In this paper, the LiFePO 4 material was modified by carbon coating using polyvinyl alcohol (PVA) and Ketjen black as composite sources. Firstly, structure, electron ion transport properties of carbon-coated were calculated first-principles density functional theory. The calculation results show that after coating, system will change from semiconductor to conductor properties, its electronic conductivity be significantly improved. Then, different proportions PVA (polyvinyl alcohol) mixed...
A LiMn0.65Fe0.35PO4/C/KB composite with superior electronic conductivity and high tap density is synthesized by a double-layer carbon-coating method Ketjen Black (KB) as carbon additive. On the one hand, an excellent conductive material, KB usually presents unique chainlike structure, due to strong van der Waals forces, structure tends be tightly gathered. Therefore, when used for coating, primary particles of LiMn0.65Fe0.35PO4 coated could also aggregated. addition simultaneously improved...