Results 71 to 80 of about 2,985 (265)

Analysis of Dielectric Properties of Lithium Phosphate Glasses

Communications, 2013
Dielectric relaxation spectra of lithium phosphate glasses are used to analyze the change of real and imaginary part of complex permittivity including loss tangent of ion conductive glasses. The experimental results getting from a.c. and d.c.
Peter Hockicko, Peter Bury, Francisco Munoz   +2 more
doaj   +1 more source

Transient Charging of Mixed Ionic‐Electronic Conductors by Anomalous Diffusion

Advanced Materials, EarlyView.
This article explores charge transport in mixed ionic‐electronic conductors (MIECs) through electrochemical impedance spectroscopy and transient current analysis. Focusing on PEDOT:PSS, WO3, and n‐doped PBDF, it uncovers the impact of anomalous diffusion via fractional modeling. The study reveals key correlations that deepen understanding and guide the
Heyi Zhang, Gonzalo Rivera‐Sierra, Shirin Siahjani‐Gultekin, Jenifer Rubio‐Magnieto, Anis Allagui, Ignacio Sanjuán, David Franco, Antonio Guerrero, Enrique H. Balaguera, Juan Bisquert   +9 more
wiley   +1 more source

Diffusion in lithium ion conductors – from fundamentals to applications

Diffusion Fundamentals, 2013
Lithium ion conductors and concomitantly the topic of Li solid state diffusion have become enormously popular in recent years. This is mainly due to the quest for better materials and performances of Li ion batteries, the leading electrochemical energy storage system. However, fundamental research on diffusion of the lightest ion besides H+, comprising
openaire   +2 more sources

Polyimide‐Linked Hexaazatriphenylene‐Based Porous Organic Polymer with Multiple Redox‐Active Sites as a High‐Capacity Organic Cathode for Lithium‐Ion Batteries

Advanced Materials, EarlyView.
A high‐capacity polyimide‐linked porous organic polymer (HAT‐PTO) incorporating numerous redox‐active centers is synthesized via a hydrothermal reaction, delivering a high theoretical capacity of 484 mAh g−1. In situ hybridization with carboxyl‐functionalized multiwalled carbon nanotubes enhances conductivity and stability, achieving 397 mAh g−1 at C ...
Arindam Mal, Jonathan Caroni, Asia Patriarchi, Olivera Luzanin, Rafael Ramos, Jan Bitenc, Manuel Melle‐Franco, Manuel Souto   +7 more
wiley   +1 more source

Preparation of Lithium Ion Conductor Glass-Ceramic with High Conductivity for Producing Lithium-Air and all-Solid-State Lithium-Ion Batteries

Journal of Advanced Materials in Engineering, 2017
In this research, new lithium ion conductor glass-ceramics with NASICON-type structure (Li1+x+yAlxCryGe2-x-y (PO4)3, x+y=0.5) were synthesized using melt-quenching method and converted to glass-ceramics through heat treatment.
M. Illbeigi, A. R. Fazlali, M. Kazazi, A. H. Mohammadi   +3 more
doaj   +2 more sources

Theoretical and experimental understanding of Li2S crystal structure and its isotropic ion conduction mechanism

Next Materials
Lithium sulfide is a crucial material for Li-S solid electrolytes, as it serves as the costly precursor in the research and development of solid-state batteries.
Ramkumar Balasubramaniam, Anjali Anilkumar, Joon-Hyung Lee, Yun-sung Lee, Sangho Park   +4 more
doaj   +1 more source

High-Throughput Screening of Solid-State Li-Ion Conductors Using Lattice-Dynamics Descriptors

iScience, 2019
Summary: Low lithium-ion migration barriers have recently been associated with low average vibrational frequencies or phonon band centers, further helping identify descriptors for superionic conduction.
Sokseiha Muy, Johannes Voss, Roman Schlem, Raimund Koerver, Stefan J. Sedlmaier, Filippo Maglia, Peter Lamp, Wolfgang G. Zeier, Yang Shao-Horn   +8 more
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

LiAlSiO4-coated Li1.2Mn0.54Ni0.13Co0.13O2 cathode: Enhancing Li-ion battery performance.

PLoS ONE
The lithium fast ion conductor LiAlSiO4 demonstrates exceptional lithium-ion transmission properties alongside remarkable chemical stability. Utilizing sol-gel techniques, we synthesized LiAlSiO4-coated cathode materials (LNCM@LASO) based on Li1.2Mn0 ...
Shang-Mei Yang, Shi-Ping Shao, Yu-Long Xie   +2 more
doaj   +1 more source

Elastic Properties of New Solid State Electrolyte Material Li10GeP2S12: A Study from First-Principles Calculations

International Journal of Electrochemical Science, 2014
Elastic properties of a new ultrafast lithium ion conductor Li10GeP2S12 were studied from first- principles calculations. The six independent elastic constants (C11, C12, C13, C33, C44, and C66) are obtained and the results satisfy the Born’s criteria of
Z.Q. Wang, M.S. Wu, G. Liu, X.L. Lei, B. Xu, C.Y. Ouyang   +5 more
doaj   +1 more source