A5083242029- Fuel Cells and Related Materials
- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Quantum chaos and dynamical systems
- Mathematical Dynamics and Fractals
- Advanced Differential Equations and Dynamical Systems
- Geometric Analysis and Curvature Flows
- Advanced Battery Technologies Research
- Nonlinear Waves and Solitons
- Nonlinear Partial Differential Equations
- Supercapacitor Materials and Fabrication
- Advancements in Solid Oxide Fuel Cells
- Geometry and complex manifolds
- Conducting polymers and applications
- Membrane-based Ion Separation Techniques
- Mathematical Biology Tumor Growth
- Spacecraft Dynamics and Control
- Catalysis and Oxidation Reactions
- Electrochemical Analysis and Applications
- Intestinal and Peritoneal Adhesions
- Gas Sensing Nanomaterials and Sensors
- Transition Metal Oxide Nanomaterials
- Stochastic processes and financial applications
- Corrosion Behavior and Inhibition
- Bariatric Surgery and Outcomes
Peking Union Medical College Hospital
2025
Chinese Academy of Medical Sciences & Peking Union Medical College
2025
Academy of Mathematics and Systems Science
2019-2025
Chinese Academy of Sciences
2004-2025
Shaanxi Institute of Zoology
2025
Chongqing Jiaotong University
2024-2025
University of Chinese Academy of Sciences
2023
Beijing Shijitan Hospital
2020-2022
Capital Medical University
2020-2022
Peking University
2020-2021
Abstract The all‐vanadium redox flow battery is a promising technology for large‐scale renewable and grid energy storage, but limited by the low density poor stability of vanadium electrolyte solutions. A new with significant improvement over current reported in this paper. This uses sulfate‐chloride mixed electrolytes, which are capable dissolving 2.5 M vanadium, representing about 70% increase capacity sulfate system. More importantly, remains stable wide temperature range −5 to 50 °C,...
NF membranes, as an alternative to traditional ion exchange were first proposed and successfully prepared for VRBs based on a totally new concept of tuning the vanadium/proton selectivity viapore size exclusion. The results showed that membranes show increasing vanadium ion/proton (V/H) with decreasing pore distribution. assembled exhibited comparable performance commercialized Nafion. could potentially overcome restriction from provide much more material options VRB membranes.
A new redox flow battery using Fe2+/Fe3+ and V2+/V3+ couples in chloride-supporting electrolyte was proposed investigated for potential stationary energy storage applications. The Fe/V cell mixed reactant solutions operated within a voltage window of 0.5–1.35 V with nearly 100% utilization ratio demonstrated stable cycling efficiency around 80% at room temperature. Stable performance also achieved the temperature range between 0 °C 50 °C. improved stability electrochemical activity over...
A low-cost, novel carbon-based electrocatalyst for oxygen reduction reaction (ORR), nitrogen-doped carbon xerogel (N-CX) was synthesized via a sol–gel polymerization method followed by pyrolysis process. The N-CX catalyst exhibited high activity ORR, and good stability in acid media. performance with maximum power density of 360 mW cm−2 achieved on single PEM fuel cell as the cathode electrocatalyst.
This paper examines vanadium chloride solutions as electrolytes for an all-vanadium redox flow battery. The were capable of dissolving more than 2.3 M at varied valence states and remained stable 0–50 °C. improved stability appeared due to the formation a dinuclear [V2O3·4H2O]4+ or dinuclear-chloro complex [V2O3Cl·3H2O]3+ in over wide temperature range. batteries with demonstrated excellent reversibility fairly high efficiencies. Only negligible, if any, gas evolution was observed. energy...
In this paper, temperature dependent performance of a Nafion 112-based proton exchange membrane (PEM) fuel cell was investigated at different temperatures, back pressure, and 100% relative humidity (RH). High ca. obtained 120°C. Cell voltage decreased when the increased within range 80–20°C. An in situ ac impedance spectroscopy method under load developed to diagnose reduction. A semi-empirical treatment initiated obtain expressions for extinguishing individual drops caused by reaction...
Pyrolyzed iron-polypyrrole mesoporous spheres have been synthesized by a template-assisted ultrasonic spray pyrolysis method, and demonstrate that high volumetric surface area is critical for improving the activity of non-noble metal catalysts towards fuel celloxygen reduction reaction.
Zn and the Art of Battery Development: A zinc/polyhalide redox flow battery employs Br−/ClBr2− Zn/Zn2+ couples in its positive negative half-cells, respectively. The performance is evaluated by charge–discharge cycling tests reveals a high energy efficiency 81%, based on Coulombic 96% voltage 84%. new technology can provide density at an acceptable cost.