Results 31 to 40 of about 636 (129)

From Materials to Systems: Challenges and Solutions for Fast‐Charge/Discharge Na‐Ion Batteries

Advanced Energy Materials, EarlyView.
This review systematically analyzes the key characteristics limiting the fast‐charge/discharge capability of Na‐ion batteries (SIBs) from a multi‐scale perspective encompassing electrode materials, the electrode‐electrolyte interface, and the system. Furthermore, it presents practical solution strategies for the fundamental issues arising at each scale,
Bonyoung Ku, Sangbin Park, Sunha Hwang, Sunghyun Lim, Won‐Sub Yoon, Jongsoon Kim   +5 more
wiley   +1 more source

Electrical and Dielectric Properties of Ca-Doped Bi-Deficient Sodium Bismuth Titanate Na_0.5Bi_0.49−xCa_xTiO_3−δ (0 ≤ x ≤ 0.08)

Crystals, 2022
Bismuth-deficient sodium bismuth titanate (nominal Na0.5Bi0.49TiO2.985, NB0.49T) presents high oxide ion conductivity, which makes it a potential electrolyte material for intermediate-temperature solid oxide fuel cells. Acceptor doping has been proven an
Fan Yang, Yidong Hu, Qiaodan Hu, Patrick Wu, Derek C. Sinclair   +4 more
doaj   +1 more source

Emerging Materials and Future Strategies for Solid Oxide Electrochemical Cells

Advanced Energy Materials, EarlyView.
Solid oxide electrochemical cells operate under strongly coupled electrochemical and thermodynamic conditions, where performance is constrained by interactions among crystal structure, defect chemistry, and interfacial evolution. This review, based on a structure‐defect‐property‐durability framework, reveals the roles of lattice symmetry and defect ...
Qiuchun Lu, Yufei Zhang, Han Zhao, Pooi See Lee, Daniel H.C. Chua   +4 more
wiley   +1 more source

Bismuth‐Based Semiconductors in Photocatalytic CO2 Reduction: Catalysts, Progress, and Future Perspectives

Carbon and Hydrogen, EarlyView.
This review systematically summarizes research progress on bismuth‐based semiconductor photocatalytic materials in the field of CO2 reduction. It focuses on elucidating the mechanisms by which four modification strategies—including heteroatom doping, oxygen vacancy engineering, microstructural control, and heterostructure fabrication—regulate band ...
Shuisen He, Guodong Zhang, Mengchi Guo, Song Zhong, Jie Yang, Tongrui Zhang, Xingye Zeng   +6 more
wiley   +1 more source

Sinterability, Microstructural Evolution, and Dielectric Performance of Bismuth Sodium Titanate (Bi0.5Na0.5TiO3) Lead-Free Ferroelectric Ceramics [PDF]

Archives of Metallurgy and Materials
In this study, lead-free bismuth sodium titanate (BNT; Bi0.5Na0.5TiO3) powder was synthesized using wet precipitation. The sintering behavior and dielectric properties of the BNT ceramics were investigated in terms of the sintering temperature.
Islam Takiul, Sanghaw Lee, Haejin Hwang
doaj  

Enhanced electrical properties of new lead-free 0.995Bi0.5(Na0.80K0.20)0.5TiO3-0.005LiNbO3 ceramics by (Ba0.98Nd0.02)TiO3 doping

Journal of Asian Ceramic Societies, 2021
It is well known that the Bi0.5(Na0.80K0.20)0.5TiO3 or BNKT ceramic possesses quite high piezoelectric coefficient (i.e., d33 ~ 151 pC/N). This research attempted to prepare (1-y)[0.995Bi0.5(Na0.80K0.20)0.5TiO3-0.005LiNbO3]-y(Ba0.98Nd0.02)TiO3 or (1-y)[0.
Pimpilai Wannasut, Pharatree Jaita, Methee Promsawat, Anucha Watcharapasorn   +3 more
doaj   +1 more source

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

ENERGY &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

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

The 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, Hadi M. Marwani, Mahmood D. Aljabri, Muhammad Fazle Rabbee, Mohammed Muzibur Rahman   +4 more
wiley   +1 more source

LEAD-FREE BNT PIEZOELECTRIC THIN FILMS BY SOL-GEL METHOD

Materials and Devices, 2016
The objective of this work is to synthesize lead-free piezoelectric thin films by the Sol-Gel method: bismuth sodium titanate (Bi0.5Na0.5TiO3 or BNT). BNT films were annealed with the rapid thermal process (RTP).
doaj   +6 more sources

Microwave-Assisted Fabrication and Characterization of Carbon Fiber-Sodium Bismuth Titanate Composites

Crystals
Lead-based piezoelectric materials cause many environmental problems, regardless of their exceptional performance. To overcome this issue, a lead-free piezoelectric composite material was developed by incorporating different percentages of carbon fiber ...
Fareeha Azam, Muhammad Asif Rafiq, Furqan Ahmed, Adnan Moqbool, Osama Fayyaz, Zerfishan Imran, Muhammad Salman Habib, Rana Abdul Shakoor   +7 more
doaj   +1 more source