A5100663224- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Transition Metal Oxide Nanomaterials
- Conducting polymers and applications
- Electrocatalysts for Energy Conversion
- Graphene research and applications
- Extraction and Separation Processes
- Gas Sensing Nanomaterials and Sensors
- ZnO doping and properties
- Advancements in Solid Oxide Fuel Cells
- Fuel Cells and Related Materials
- Electronic and Structural Properties of Oxides
- Quantum Dots Synthesis And Properties
- Metal complexes synthesis and properties
- Infection Control and Ventilation
- Electrochemical Analysis and Applications
- Ga2O3 and related materials
- Magnetic and transport properties of perovskites and related materials
- COVID-19 and healthcare impacts
- Semiconductor materials and devices
- X-ray Diffraction in Crystallography
- Magnetic Properties and Synthesis of Ferrites
Ministry of Education of the People's Republic of China
2011-2025
Heilongjiang University
2015-2025
Stony Brook University
2015-2024
Southwest University
2024
Beijing Information Science & Technology University
2021-2024
Brookhaven National Laboratory
2019-2024
Shaanxi University of Science and Technology
2017-2024
Taiyuan University of Technology
2023-2024
State Grid Corporation of China (China)
2024
Innovation Team (China)
2024
Controlling electrode growth Batteries with metal anodes can grow dendrites during cycling, which cause short circuits in a battery or subsequently reduce the charge capacity. Zheng et al. developed process to electrodeposit zinc on graphene-coated stainless-steel electrode, such that forms plates preferential orientation parallel electrode. This is achieved by depositing graphene layer stainless steel designed epitaxially match basal (002) plane of metallic zinc, minimizing lattice strain....
Sheet-like graphitic carbon with a porous structure can provide low-resistant pathways and short ion-diffusion channels for energy storage, thus is expected to be an excellent material high-power supercapacitors. Herein, graphene-like nanosheets (PGNSs) large surface area were synthesized the first time via easy cost-effective SAG (simultaneous activation–graphitization) route from renewable biomass waste coconut shell. In synthesis, catalyst precursor (FeCl3) activating agent (ZnCl2)...
Nitrogen-doped graphene nanosheets (NGS) with the nitrogen level as high 10.13 atom% were synthesized via a simple hydrothermal reaction of oxide (GO) and urea. N-doping reduction GO achieved simultaneously under reaction. In fabrication, nitrogen-enriched urea plays pivotal role in forming NGS level. During process, N-dopant could release NH3 sustained manner, accompanied by released reacting oxygen functional groups then atoms doped into skeleton, leading to formation NGS. The species be...
An advanced supercapacitor material based on nitrogen-doped porous graphitic carbon (NPGC) with high a surface area was synthesized by means of simple coordination-pyrolysis combination process, in which tetraethyl orthosilicate (TEOS), nickel nitrate, and glucose were adopted as porogent, catalyst precursor, source, respectively. In addition, melamine selected nitrogen source owing to its nitrogen-enriched structure the strong interaction between amine groups unit. A low-temperature...
Abstract Polymer binders with high ion and electron conductivities are prepared by assembling ionic polymers (polyethylene oxide polyethylenimine) onto the electrically conducting polymer poly(3,4‐ethylenedioxythiophene): poly(styrenesulfonate) chains. Crosslinking, chemical reductions, electrostatics increase modulus of maintain integrity anode. The binder shows lithium‐ion diffusivity conductivity that 14 90 times higher than those widely used carboxymethyl cellulose (with acetylene black)...
Abstract Metal oxide‐based nanomaterials are widely studied because of their high‐energy densities as anode materials in lithium‐ion batteries. However, the fast capacity degradation resulting from large volume expansion upon lithiation hinders practical application. In this work, preparation walnut‐like multicore–shell MnO encapsulated nitrogen‐rich carbon nanocapsules (MnO@NC) is reported via a facile and eco‐friendly process for long‐cycling Li‐ion hybrid structure, nanoparticles...
Abstract The ever‐growing needs for renewable energy demand the pursuit of batteries with higher energy/power output. A thick electrode design is considered as a promising solution high‐energy due to minimized inactive material ratio at device level. Most current research focuses on pushing thickness maximum limit; however, very few them thoroughly analyze effect cell‐level densities well balance between and power density. Here, realistic assessment combined other key parameters provided,...
Abstract High‐voltage Li‐metal batteries (LMBs) are regarded as next‐generation high‐energy‐density storage devices to apply extensive fields such electric vehicles, space explorations, subsea operations, and grid‐scale storages. Unfortunately, their practical applications restricted by some defects of commercial carbonate electrolytes including flammability, low oxidation stability, narrow temperature operation window, Li dendrites growth. Herein, a novel ultralow‐concentration electrolyte...
Atomicity is a correctness condition for concurrent systems. Informally, atomicity the property that every execution of set transactions equivalent to some serial same transactions. In multithreaded programs, executions procedures (or methods) can be regarded as Correctness in presence concurrency typically requires these Tools automatically detect violations uncover subtle errors are hard find with traditional debugging and testing techniques. This paper describes two algorithms runtime...
V 2 O 5 is a promising cathode material for lithium ion batteries boasting large energy density due to its high capacity as well abundant source and low cost. However, the poor chemical diffusion of Li + , conductivity, cycling stability limit practical application. Herein, oxygen‐deficient nanosheets prepared by hydrogenation at 200 °C with superior storage properties are described. The hydrogenated (H‐V ) deliver an initial discharge 259 mAh g −1 it remains 55% when current increased 20...
Developing scalable energy storage systems with high and power densities is essential to meeting the ever-growing portable electronics electric vehicle markets, which calls for development of thick electrode designs improve active material loading greatly enhance overall density. However, rate capabilities in lithium-ion batteries usually fall off rapidly increasing thickness due hindered ionic transport kinetics, especially issue conversion-based electroactive materials. To alleviate...
High surface area, hierarchical porous carbon materials were obtained by carbonization and activation process of the loofah sponge. The with good conductivity exhibit high energy density power density.
Thick electrodes, although promising toward high-energy battery systems, suffer from restricted lithium-ion transport kinetics due to prolonged diffusion lengths and tortuous pathways. Despite the emerging low-tortuosity designs, capacity retention under higher current densities is still limited. Herein, we employ a modified ice-templating method fabricate porous electrodes with tunable wall thickness channel width systematically investigate critical impacts of fine structural parameters on...
Doped motifs offer an intriguing structural pathway toward improving conductivity for battery applications. Specifically, Ca-doped, three-dimensional "flower-like" Li4–xCaxTi5O12 ("x" = 0, 0.1, 0.15, and 0.2) micrometer-scale spheres have been successfully prepared the first time using a simple reproducible hydrothermal reaction followed by short calcination process. The products were experimentally characterized means of X-ray diffraction (XRD), transmission electron microscopy (TEM),...
Abstract Layered MoO 3 represents a promising cathode for aqueous rechargeable Zn‐ion batteries, but the implementation of this material is limited due to low conductivity and poor structural stability. A 30 m ZnCl 2 water‐in‐salt electrolyte (WISE) introduced nanobelt first time, significantly increasing stability cathodes compared those in ZnSO 4 . The Zn/MoO cell WISE unambiguously demonstrate improved rate performance delivering 349, 253, 222 mAh g −1 at 100, 500, 1000 mA , denoting 12×...
Because it has been demonstrated to be effective toward faster ion diffusion inside the pore space, low-tortuosity porous architecture become focus in thick electrode designs, and other possibilities are rarely investigated. To advance current understanding structure-affected electrochemistry broaden horizons for we present a gradient design, where channels vertically aligned with smaller openings on one end larger other. With its 3D morphology carefully visualized by Raman mapping,...
ConspectusThe demand for lithium ion batteries continues to expand powering applications such as portable electronics, grid-scale energy storage, and electric vehicles. As the application requirements advance, innovation of toward higher density power output is required. Along with investigation new materials, an important strategy increasing battery content design electrodes high areal loading minimize fraction nonactive materials current collectors, separators, packaging components,...
Aqueous Zn/MnO2 batteries (AZMOB) with mildly acidic electrolytes hold promise as potential green grid-level energy storage solutions for clean power generation. Mechanistic understanding is critical to advance capacity retention needed by the application but complex due evolution of cathode solid phases and presence dissolved manganese in electrolyte a dissolution-deposition redox process. This work introduces operando multiphase extended X-ray absorption fine structure (EXAFS) analysis...
Four different high-entropy spinel oxide ferrite (HESO) electrode materials containing 5-6 distinct metals were synthesized by a simple, rapid combustion synthesis process and evaluated as conversion anode in lithium half-cells. All showed markedly superior electrochemical performance compared to conventional ferrites such Fe
Abstract The deposition–dissolution mechanism with a two‐electron transfer reaction endows aqueous Zn–Mn batteries desirable theoretical energy density. However, due to the limited solubility of traditional manganese‐based materials and competitive Mn shuttle behavior, practical performance is unsatisfactory. Herein, by synergistically incorporating novel Mn‐rich 4 N cathode plasma functionalized carbon nanotubes film (PCNT) interlayer, an battery high Mn‐utilization rate energy/power...