A5036408906- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Zeolite Catalysis and Synthesis
- Electrocatalysts for Energy Conversion
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Mesoporous Materials and Catalysis
- Catalytic Processes in Materials Science
- Extraction and Separation Processes
- Semiconductor materials and devices
- Chemical Synthesis and Characterization
- Clay minerals and soil interactions
- Membrane Separation and Gas Transport
- Covalent Organic Framework Applications
- Transition Metal Oxide Nanomaterials
- Multiferroics and related materials
- Magnetic Properties and Synthesis of Ferrites
- Nanomaterials for catalytic reactions
- Physics of Superconductivity and Magnetism
- Conducting polymers and applications
- Welding Techniques and Residual Stresses
- Layered Double Hydroxides Synthesis and Applications
- Perovskite Materials and Applications
- Nuclear Materials and Properties
State Key Laboratory of Powder Metallurgy
2021-2025
Central South University
2021-2025
Powder Metallurgy Institute
2025
Peking University
2016-2024
Niigata University
2019
China Southern Power Grid (China)
2010
Toyota Central Research and Development Laboratories (Japan)
2009
University of Hong Kong
2007
Shandong University
2002
The rapid growth in global electric vehicles (EVs) sales has promoted the development of Co-free, Ni-rich layered cathodes for state-of-the-art high energy-density, inexpensive lithium-ion batteries (LIBs). However, progress their commercial use been seriously hampered by exasperating performance deterioration and safety concerns. Herein, a robust single-crystalline, LiNi0.95Mn0.05O2 (SC-NM95) cathode is successfully designed using molten salt-assisted method, it exhibits better structural...
Sodium layered oxides always suffer from sluggish kinetics and deleterious phase transformations at deep-desodiation state (i.e., >4.0 V) in O3 structure, incurring inferior rate capability grievous capacity degradation. To tackle these handicaps, here, a configurational entropy tuning protocol through manipulating the stoichiometric ratios of inactive cations is proposed to elaborately design Na-deficient, O3-type NaxTmO2 cathodes. It found that electrons surrounding oxygen TmO6 octahedron...
Further popularization of ultrahigh-Ni layered cathodes for high-energy lithium-ion batteries (LIBs) is hampered by their grievous structural and interfacial degeneration upon cycling. Herein, leveraging the strong electronegativity low solubility properties Sb element, a multifunctional modification that couples atomic/microstructural reconstruction with shielding well designed to improve LiNi0.94Co0.04Al0.02O2 (NCA) cathode combining Sb5+ doping Li7SbO6 coating. Notably, robust O framework...
Abstract Rapid capacity fading and structural collapse, along with other deep‐rooted challenges in the high‐voltage region, are insufficient to meet requirements for commercial applications of O3‐type layered cathodes. Hereby, rare earth metal (RE) within IIIB group utilized as robust dopants O3‐NaNi 1/3 Fe Mn O 2 (NFM) achieve purpose reconstructing crystal lattice regulating interlayer structure. The inactive RE 3+ acts a pillar, reinforces TMO 6 octahedron, broadens Na + diffusion layer...
Cost-effective non-noble metal-based catalysts for selective hydrogenation with excellent activity, selectivity, and durability are still the holy grail. Herein, an oxygen-doped carbon (OC) chainmail encapsulated dilute Cu-Ni alloy is developed by simple pyrolysis of Cu/Ni-metal-organic framework. The CuNi
For electrochemical CO
Abstract Further commercialization of Ni‐rich layered cathodes is hindered by severe structure/interface degradation and kinetic hindrance that occur during electrochemical operation, which leads to safety risks reduced range in electric vehicles (EVs). Herein, selecting elements with different solubility properties, a multifunctional strategy synchronously fabricates perovskite‐type SrZrO 3 coating Sr/Zr co‐doping employed strengthen the stability Li + transport mobility LiNi 0.85 Co 0.10...
To fully harness the rate performance of LiFePO 4 , a band structure modulation strategy is proposed that simultaneously improves electronic transfer and ionic transport.
CeO2 has played an important role in improving the oxygen evolution reaction (OER) performance of transition metals-based catalysts whether as a hybrid, substrate, or interface. The high OER activity is ascribed to optimized metals and/or formed vacancies. In this work, interface effect between CoO and reported be reason for excellent CoO/CeO2. Compared with sole CoO/CeO2-L (larger nanosheets), CoO/CeO2 exhibited higher due faster kinetics intrinsic because large amount Co/Ce interfaces....
NiFe layered double hydroxide (LDH) with abundant heterostructures represents a state-of-the-art electrocatalyst for the alkaline oxygen evolution reaction (OER). Herein, LDH/Fe2O3 nanosheet arrays have been fabricated by facile combustion of corrosion-engineered foam (NFF). The in situ grown, self-supported exhibited low overpotential 248 mV OER at 50 mA cm–2, small Tafel slope 31 dec–1, and excellent durability over 100 h under industrial benchmarking 500 cm–2 current density. A balanced...
Abstract Fe‐Mn based layered oxides are recognized as promising cathode materials for sodium‐ion batteries (SIBs) with high capacities and earth‐abundant ingredients. However, their real‐world applications still constrained by fast capacity decay accompanied the requirements of deeper insights into principles behind. Herein, taking O3‐Na x Fe 1/2 Mn O 2 a classic sample, fading mechanism is comprehensively investigated through combined techniques. For first time, it revealed that migration...
Bismuth oxide is one of the best-known formate production catalysts from electrocatalytic reduction CO2. It came as a surprise here that its hybridization with CeOx drastically boosted catalytic activity and stability on CO2 toward formation. Specifically, faradaic efficiency Bi2O3–CeOx exceeds 85% starting −0.3 V vs reversible hydrogen electrode (RHE) remains above 90% −0.5 to −1.1 RHE, outperforming pure Bi2O3 most other reported catalysts. Experimental computational results suggest...
Na4Fe3(PO4)2(P2O7) (NFPP) is an attractive candidate for Na+ batteries (SIBs) and Li+ (LIBs). However, the real implementation of NFPP has been critically restrained by inferior intrinsic electronic conductivity. Herein, in situ carbon-coated mesoporous NFPP, obtained via freeze drying heat treatment, demonstrates highly reversible insertion/extraction Na+/Li+. Mechanically, transmission structural stabilities are significantly enhanced graphitized carbon coating layer. Chemically, porous...