Results 51 to 60 of about 1,062 (203)

Revealing the impact of acceptor dopant type on the electrical conductivity of sodium bismuth titanate

open access: yes, 2022
Solid solutions of sodium bismuth titanate (NBT) belong to the most performant lead-free dielectric ce- ramics for energy storage. However, the defect chemistry of NBT is very complex, and acceptor doping can lead to an unexpected and extraordinarily ...
Frömling, Till   +5 more
core   +1 more source

Enhancement of the phase, optical and dielectric studies of Bi0.5Na0.5TiO3 (BNT) based structure ceramics

open access: yesJournal of Saudi Chemical Society, 2023
The Mg-based dielectric ceramics of (Bi0.5Na0.5)(1−x)MgxTiO3, 0.00 ≤ x ≤ 0.04 was successfully synthesized by mixed oxide route at 850 °C for 2 hrs. The XRD result revealed the single phase monoclinic crystal structure without any secondary phases.
Anwar Syed   +8 more
doaj   +1 more source

Next‐Generation Carbon‐Based Anodes for Alkali Metal‐Ion Batteries: Recent Progress on Biphenylene and Emerging Materials

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Recent advances in carbon‐based anodes for alkali metal‐ion batteries are critically reviewed, with emphasis on biphenylene and other emerging carbon allotropes. Biphenylene exhibits exceptional theoretical electrochemical properties beyond conventional graphite, highlighting its strong potential as a next‐generation anode material once scalable ...
Adewale Hammed Pasanaje, Nirpendra Singh
wiley   +1 more source

New Bismuth Sodium Titanate Based Ceramics and Their Applications

open access: yes, 2021
Ferroelectric materials are widely investigated due to their excellent properties and versatile applications. At present, the dominant materials are lead-containing materials, such as Pb (Zr,Ti)O3 solid solutions. However, the use of lead gives rise to environmental concerns, which is the driving force for the development of alternative lead-free ...
Hengchang Nie   +2 more
openaire   +2 more sources

Research Progress and Prospects of High‐Entropy Oxide Ceramic for Dielectric Energy Storage

open access: yesNational Materials, EarlyView.
This review highlights the high‐entropy strategy in high‐entropy oxide ceramics for dielectric energy storage, emphasizing enhanced breakdown strength, polarization, and thermal stability. Key material systems, computational tools, and remaining challenges in scalable fabrication are discussed, along with future research directions. ABSTRACT Dielectric
Zhongqian Lv   +3 more
wiley   +1 more source

Synthesis and Surface Engineering of Two‐Dimensional MXenes for Advanced Functional Applications

open access: yesThe Chemical Record, EarlyView.
This study highlights the synthesis, surface engineering, and advanced functional applications of MXenes, emphasizing key preparation strategies that enable their use in catalysis, energy storage, sensing, and environmental remediation. Two‐dimensional MXenes (2DMxn), a rapidly expanding family of transition metal carbides, nitrides, and carbonitrides ...
Dalil N. H. Al‐Ghubairi   +4 more
wiley   +1 more source

Dielectric behaviors and relaxor characteristics in Bi0.5Na0.5TiO3-BaTiO3 ceramics [PDF]

open access: yesJournal of Advanced Dielectrics, 2019
Microstructure and dielectric behaviors of heating/cooling and bias-field were investigated in lead-free ceramics (1−x)Bi0.5Na0.5TiO3−xBaTiO3 (BNT−xBT, x=0, 0.02, 0.04, 0.06, 0.08 and 0.10).
Pei Chen   +8 more
doaj   +1 more source

The high-pressure structural phase transitions of sodium bismuth titanate

open access: yes, 2005
International audienceThe crystal structure of sodium bismuth titanate, Na0.5Bi0.5TiO3, as a function of pressure is reported. From a combination of neutron powder diffraction experiments using the instrument POLARIS at the ISIS pulsed neutron facility ...
Bouvier, P   +18 more
core   +1 more source

A-site acceptor-doping strategy to enhance oxygen transport in sodium bismuth titanate perovskite [PDF]

open access: yes, 2022
Sodium–bismuth–titanate (NBT) has recently been shown to contain high levels of oxide ion conductivity. Here we report the effect of A-site monovalent ions, M+ = K+ and Li+, on the electrical conductivity of NBT.
Shih, Po, Aguadero, A, Skinner, Stephen
core   +1 more source

Recent Development in Solar‐to‐Hydrogen Conversion Systems

open access: yesWIREs Energy and Environment, Volume 15, Issue 3, September 2026.
This review compares three solar‐driven hydrogen production methods, photocatalysis (PC), photoelectrochemical cells (PEC), and photovoltaic–electrochemical (PV–EC) systems by examining their mechanisms, materials, stability, and efficiency. Nanocrystal‐based PC catalysts achieved the highest quantum efficiency (94%), while PV–EC and Si nanowire PEC ...
Rabia Zafar Ali   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy