A5100395339- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Thermal Expansion and Ionic Conductivity
- Electrocatalysts for Energy Conversion
- Supercapacitor Materials and Fabrication
- Advanced Photocatalysis Techniques
- Catalytic Processes in Materials Science
- Semiconductor materials and devices
- Extraction and Separation Processes
- Fuel Cells and Related Materials
- Conducting polymers and applications
- Inorganic Chemistry and Materials
- Ferroelectric and Piezoelectric Materials
- Transition Metal Oxide Nanomaterials
- Advanced Memory and Neural Computing
- Layered Double Hydroxides Synthesis and Applications
- Chemical Synthesis and Characterization
- Mobile Ad Hoc Networks
- Catalysis and Hydrodesulfurization Studies
- Molecular Junctions and Nanostructures
- Caching and Content Delivery
- Solid-state spectroscopy and crystallography
- Luminescence Properties of Advanced Materials
University of Chinese Academy of Sciences
2022-2025
Institute of Physics
2023-2025
The University of Texas at Austin
2012-2023
Chinese Academy of Sciences
2020-2023
University of Science and Technology Liaoning
2022
Green Technology
2022
Walker (United States)
2022
Institut Jean Le Rond d'Alembert
2022
Sorbonne Université
2022
Jilin Normal University
2021
A cross-linked polymer containing pendant molecules attached to the framework is shown form flexible and low-cost membranes, be a solid Li(+) electrolyte up 270 °C, much higher than those based on poly(ethylene oxide), wetted by metallic lithium anode, not decomposed anode if anions of salt are blocked ceramic in polymer/ceramic membrane/polymer sandwich (PCPSE). In this architecture, double-layer electric field at Li/polymer interface reduced due anion transfer. The layer adheres/wets metal...
The garnet-related oxides with the general formula Li7−xLa3Zr2−xTaxO12 (0 ≤ x 1) were prepared by conventional solid-state reaction. X-ray diffraction (XRD), neutron and AC impedance used to determine phase formation lithium-ion conductivity. lattice parameter of decreased linearly increasing x. Optimum Li-ion conductivity in garnets is found range 0.4 0.6 for samples fired at 1140 °C an alumina crucible. A room-temperature σLi ≈ 1.0 × 10−3 S cm−1 = activation energy 0.35 eV temperature...
Solid-state electrolytes have emerged as a promising alternative to existing liquid for next generation Li-ion batteries better safety and stability. Of various types of solid electrolytes, composite polymer exhibit acceptable conductivity due the interaction between nanofillers polymer. Nevertheless, agglomeration at high concentration has been major obstacle improving conductivity. In this study, we designed three-dimensional (3D) nanostructured hydrogel-derived Li0.35 La0.55 TiO3 (LLTO)...
Abstract Li 7 La 3 Zr 2 O 12 ‐based Li‐rich garnets react with water and carbon dioxide in air to form a Li‐ion insulating CO layer on the surface of garnet particles, which results large interfacial resistance for transfer. Here, we introduce LiF 6.5 1.5 Ta 0.5 (LLZT) increase stability electrolyte against moist air; LLZT‐2 wt % (LLZT‐2LiF) has less shows small metal, solid polymer electrolyte, organic‐liquid electrolytes. An all‐solid‐state Li/polymer/LLZT‐2LiF/LiFePO 4 battery high...
Potassium has as rich an abundance sodium in the earth, but development of a K-ion battery is lagging behind because higher mass and larger ionic size K+ than that Li+ Na+, which makes it difficult to identify high-voltage high-capacity intercalation cathode host. Here we propose cyanoperovskite KxMnFe(CN)6 (0 ≤ x 2) potassium cathode: high-spin MnIII/MnII low-spin FeIII/FeII couples have similar energies exhibit two close plateaus centered at 3.6 V; active per formula unit enable...
Indium-oxide (In2O3) nanobelts coated by a 5-nm-thick carbon layer provide an enhanced photocatalytic reduction of CO2 to CO and CH4, yielding CH4 evolution rates 126.6 27.9 μmol h-1, respectively, with water as reductant Pt co-catalyst. The coat promotes the absorption visible light, improves separation photoinduced electron-hole pairs, increases chemisorption CO2, makes more protons from splitting participate in reduction, thereby facilitates CH4.
Garnet-structured Li7La3Zr2O12 is a promising solid Li-ion electrolyte for all-solid-state Li-metal batteries and Li-redox-flow owing to its high conductivity at room temperature good electrochemical stability with Li metal. However, there are still three major challenges unsolved: (1) the controversial window of garnet, (2) impractically large resistance garnet/electrode interface fast lithium-dendrite growth along grain boundaries garnet pellet, (3) degradation during storage. We have...
No single polymer or liquid electrolyte has a large enough energy gap between the empty and occupied electronic states for both dendrite-free plating of lithium-metal anode Li+ extraction from an oxide host cathode without oxidation in high-voltage cell during charge process. Therefore, double-layer is investigated, which one provides Li-metal other allows 4 V over stable charge/discharge cycling at 65 °C; poly(ethylene oxide) contacts poly(N-methyl-malonic amide) cathode. All interfaces...
Garnet-structured solid electrolytes have been extensively studied for a solid-state lithium rechargeable battery. Previous works mostly focused on the materials' development and basic electrochemical properties but not cathode/electrolyte interface. Understanding cathode interface is critical to enhance chemical stability performance of battery cell. In this work, we thoroughly between LiCoO2 Li7La3Zr2O12 (LLZO). It was found that high-temperature process fuse LLZO induced cross-diffusion...
A reversible plating/stripping of a dendrite-free metallic-sodium anode with reduced anode/ceramic interfacial resistance is created by thin interlayer formed in situ or the introduction dry polymer film. Wetting sodium on suppresses dendrite formation and growth at different discharge/charge C-rates. All-solid-state batteries were obtained high cycling stability Coulombic efficiency 65 °C.
A promising bifunctional electrocatalyst is reported for air cathodes consisting of Ni 3 Fe nanoparticles embedded in porous nitrogen‐doped carbon sheets (Ni Fe/N‐C sheets) by a facile and effective pyrolysis‐based route with sodium chloride (NaCl) crystals as template. The show excellent catalytic activity, selectivity, durability toward both the oxygen‐reduction oxygen‐evolution reactions (ORR OER). They are shown to provide superior, low‐cost cathode rechargeable Zn‐air battery. At...
Abstract Lithium metal, the ideal anode material for rechargeable batteries, suffers from inherent limitations of sensitivity to humid atmosphere and dendrite growth. Herein, low-cost fabrication a metallic-lithium that is stable in air plated dendrite-free an organic-liquid electrolyte solves four key problems have plagued development large-scale Li-ion batteries storage electric power. Replacing low-capacity carbon with safe, lithium provides fast charge while reducing cost battery,...
Li+ -conducting oxides are considered better ceramic fillers than -insulating for improving conductivity in composite polymer electrolytes owing to their ability conduct through the oxide as well across oxide/polymer interface. Here we use two (fluorite Gd0.1 Ce0.9 O1.95 and perovskite La0.8 Sr0.2 Ga0.8 Mg0.2 O2.55 ) with a high concentration of oxygen vacancies demonstrate oxide/poly(ethylene oxide) (PEO)-based electrolytes, each above 10-4 S cm-1 at 30 °C. Li solid-state NMR results show...
Lithium carbonate on the surface of garnet blocks Li+ conduction and causes a huge interfacial resistance between electrode. To solve this problem, study presents an effective strategy to reduce significantly by replacing Li2CO3 with Li ion conducting Li3N. Compared garnet, Li3N is not only good conductor but also offers wettability both lithium metal anode. In addition, introduction layer enables stable contact anode electrolyte prevents direct reduction over long cycle life. As result,...
Hollow carbon nanostructures have inspired numerous interests in areas such as energy conversion/storage, biomedicine, catalysis, and adsorption. Unfortunately, their synthesis mainly relies on template-based routes, which include tedious operating procedures showed inadequate capability to build complex architectures. Here, by looking into the inner structure of single polymeric nanospheres, we identified complicated compositional chemistry underneath uniform shape, confirmed that...
The application of flexible, robust, and low-cost solid polymer electrolytes in next-generation all-solid-state lithium metal batteries has been hindered by the low room-temperature ionic conductivity these small critical current density batteries. Both issues stem from mobility Li+ ions fast dendrite growth at Li metal/electrolyte interface. Herein, Mg(ClO4)2 is demonstrated to be an effective additive poly(ethylene oxide) (PEO)-based composite electrolyte regulate ion transport manipulate...
NASICON (Na+ super ionic conductor) structures of NaxMV(PO4)3 (M = Mn, Fe, Ni) were prepared, characterized by aberration-corrected STEM and synchrotron radiation, demonstrated to be durable cathode materials for rechargeable sodium-ion batteries. In Na4MnV(PO4)3, two redox couples Mn3+/Mn2+ V4+/V3+ are accessed with voltage plateaus located at 3.6 3.3 V a capacity 101 mAh g-1 1 C. Furthermore, the Na4MnV(PO4)3 delivers high initial efficiency 97%, long durability over 1000 cycles, good rate...
A solid electrolyte with a high Li-ion conductivity and small interfacial resistance against Li metal anode is key component in all-solid-state batteries, but there no ceramic oxide available for this application except the thin-film Li-P oxynitride electrolyte; electrolytes are either easily reduced by or penetrated dendrites short time. Here, we introduce LiZr2(PO4)3 rhombohedral structure at room temperature that has bulk σLi = 2 × 10-4 S⋅cm-1 25 °C, electrochemical stability up to 5.5 V...
The unclear Li+ local environment and conduction mechanism in solid polymer electrolytes, especially a ceramic/polymer composite electrolyte, hinder the design development of new electrolyte. Moreover, both low room-temperature conductivity large interfacial resistance with metallic lithium anode membrane limit its application below relatively high temperature. Here we have identified distribution transport electrolyte by investigating poly(ethylene oxide) (PEO)-based NASICON-LiZr2(PO4)3 7Li...
A K–Na liquid alloy allows a dendrite-free high-capacity anode; its immiscibility with an organic electrolyte offers liquid–liquid anode–electrolyte interface. Working sodiated Na2MnFe(CN)6 cathode, the working cation becomes K+ to give potassium battery of long cycle life acceptable capacity at high charge/discharge rates. As service our authors and readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized for online...