Results 91 to 100 of about 86,530 (295)

Polymorphic relaxor phase and defect dipole polarization co-reinforced capacitor energy storage in temperature-monitorable high-entropy ferroelectrics

open access: yesNature Communications
Energy storage high-entropy ceramics are famous for their ultrahigh power density and ultrafast discharge rate. However, achieving a synchronous combination of high energy density and efficiency along with intelligent temperature-monitorable function ...
Xiangfu Zeng   +15 more
doaj   +1 more source

Dielectric, ferroelectric, and energy storage efficiency of (Ba0.85Ca0.15)Zr0.1Ti0.9O3/BaTiO3 and Ba0.7Ca0.3TiO3/BaZr0.2Ti0.8O3 bilayer ceramic

open access: yesPhysics Open
The Ba0.85Ca0.15Zr0.1Ti0.9O3/BaTiO3 and Ba0.7Ca0.3TiO3/BaZr0.2Ti0.8O3 bilayer ceramics are fabricated via a solid-state sintering method. The phase, microstructure, and chemical composition of the bilayer ceramics are compared with pure ceramics, i.e ...
Panupong Jaiban   +2 more
doaj   +1 more source

Boosting the Energy Density of “Anode‐Free” Lithium Metal Batteries via Electrospun Polymeric Scaffolds

open access: yesAdvanced Functional Materials, EarlyView.
While host structures are known to enhance the reversibility and safety of lithium metal deposition, their additional volume and weight often decrease the battery's energy density and specific energy. By combining a lightweight and porous scaffold of electrospun polymer with a thinner separator, this article demonstrates a simultaneous improvement of ...
Lennart Wichmann   +6 more
wiley   +1 more source

Mechanical confinement for improved energy storage density in BNT-BT-KNN lead-free ceramic capacitors

open access: yesAIP Advances, 2014
With the advent of modern power electronics, embedded circuits and non-conventional energy harvesting, the need for high performance capacitors is bound to become indispensible.
Aditya Chauhan   +2 more
doaj   +1 more source

Realizing enhanced energy storage and hardness performances in 0.90NaNbO3−0.10Bi(Zn0.5Sn0.5)O3 ceramics [PDF]

open access: gold, 2022
Xiaoyan Dong   +8 more
openalex   +1 more source

An Ultra‐Robust Memristor Based on Vertically Aligned Nanocomposite with Highly Defective Vertical Channels for Neuromorphic Computing

open access: yesAdvanced Functional Materials, EarlyView.
An ultra‐robust memristor based on SrTiO3‐CeO2 (S‐C) vertically aligned nanocomposite (VAN) achieving exceptional endurance of 1012 switching cycles via interface engineering. Artificial neural networks (ANNs) integrated with S‐C VAN memristors exhibit high training accuracy across multiple datasets.
Zedong Hu   +12 more
wiley   +1 more source

Cool Kitchen: Processing Starch and Eggshell Powder into Sustainable Coatings for Passive Daytime Cooling

open access: yesAdvanced Functional Materials, EarlyView.
A food‐grade cooling composite made from starch and recycled eggshell powder offers a scalable, ultra‐low‐cost solution for passive daytime radiative cooling. Easily prepared using basic kitchen tools, this material empowers communities, even in areas with limited infrastructure, to stay cooler during worsening summer heat waves.
Qimeng Song   +3 more
wiley   +1 more source

Improving the Energy Storage Performance of Barium Titanate-Based Ceramics through the Addition of ZnO-Bi2O3-SiO2 Glass

open access: yesCrystals
Lead-free ceramics with excellent energy storage performance are important for high-power energy storage devices. In this study, 0.9BaTiO3-0.1Bi(Mg2/3Nb1/3)O3 (BT-BMN) ceramics with x wt% ZnO-Bi2O3-SiO2 (ZBS) (x = 2, 4, 6, 8, 10) glass additives were ...
Peifeng Xiong   +4 more
doaj   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Using Defects to Create Ceramics with Giant Permittivity as Ultracapacitors [PDF]

open access: yes
Dielectrics with a high and weakly- temperature-dependent permittivity are highly desirable for the development of high performance energy storage devices.
Cheng, Z.-Y.   +5 more
core   +1 more source

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