Sandwiched Polymer Nanocomposites Reinforced by Two-Dimensional Interface Nanocoating for Ultrahigh Energy Storage Performance at Elevated Temperatures.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202208105
Abstract: Polymer-based dielectrics are essential components in electrical and power electronic systems for high power density storage and conversion. A mounting challenge for polymer dielectrics is how to maintain their electrical insulation at not only high… read more here.
Keywords: two dimensional; elevated temperatures; polymer; ultrahigh energy ... See more keywords
Ultrahigh energy density of polymer nanocomposites containing electrostatically self-assembled graphene oxide and hydrotalcite nanosheets
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.08.288
Abstract: Abstract In this paper, the nanofiller consisting of graphene oxide (GO) and organically modified hydrotalcite (HT) was fabricated via the electrostatic self-assembly and further reduced and incorporated into the polyimide (PI) matrix to prepare superior… read more here.
Keywords: graphene oxide; energy; storage density; energy storage ... See more keywords
Ultrahigh energy density in short-range tilted NBT-based lead-free multilayer ceramic capacitors by nanodomain percolation
Sign Up to like & getrecommendations! Published in 2021 at "Energy Storage Materials"
DOI: 10.1016/j.ensm.2021.01.023
Abstract: Dense pseudocubic 0.62Na0.5Bi0.5TiO3-0.3Sr0.7Bi0.2TiO3-0.08BiMg2/3Nb1/3O3 (NBT-SBT0.08BMN) ceramics with excellent recoverable energy density, Wrec = 7.5 J/cm3 , and conversion efficiency, η = 92%, were synthesized. Large electric breakdown strength was facilitated by electrical homogeneity, high resistivity and… read more here.
Keywords: percolation; energy density; range; energy ... See more keywords
Ultrahigh Energy-Storage Performances in Lead-free Na0.5Bi0.5TiO3-Based Relaxor Antiferroelectric Ceramics through a Synergistic Design Strategy.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c01287
Abstract: Dielectric ceramics with outstanding energy-storage performances are nowadays in great demand for pulsed power electronic systems. Here, we propose a synergistic design strategy to significantly enhance the energy-storage properties of (1 - x)(0.94Na0.5Bi0.5TiO3-0.06BaTiO3)-xCaTi0.75Ta0.2O3 solid solution… read more here.
Keywords: energy; ultrahigh energy; storage performances; 5bi0 5tio3 ... See more keywords
High-temperature lead-free multilayer ceramic capacitors with ultrahigh energy density and efficiency fabricated via two-step sintering
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry A"
DOI: 10.1039/c9ta04317a
Abstract: A fast heating assisted two-step sintering method is developed to fabricate multilayer ceramic capacitors with ultrahigh energy-storage density and efficiency. read more here.
Keywords: two step; step sintering; multilayer ceramic; ceramic capacitors ... See more keywords
Ultrahigh energy-storage density in A-/B-site co-doped AgNbO3 lead-free antiferroelectric ceramics: insight into the origin of antiferroelectricity
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry A"
DOI: 10.1039/c9ta06457e
Abstract: An ultrahigh energy storage density up to 4.87 J cm−3 was achieved in Sm/Ta co-doped AgNbO3 ceramics, by decreasing the cation displacement and [Nb/TaO6] octahedral tilting angle. read more here.
Keywords: storage density; ultrahigh energy; energy storage; doped agnbo3 ... See more keywords
Achieving ultrahigh energy storage performance in bismuth magnesium titanate film capacitors via amorphous-structure engineering
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry C"
DOI: 10.1039/c9tc04121d
Abstract: Amorphous engineering can effectively tailor energy storage performances of dielectrics due to the improvement of dielectric breakdown. read more here.
Keywords: engineering; ultrahigh energy; achieving ultrahigh; energy storage ... See more keywords
Ultrahigh-energy cosmic-ray nuclei and neutrinos from engine-driven supernovae
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.103004
Abstract: Transrelativistic supernovae (SNe), which are likely driven by central engines via jets or winds, have been among candidate sources of ultrahigh-energy cosmic rays (UHECRs). We investigate acceleration and survival of UHECR nuclei in the external… read more here.
Keywords: energy cosmic; ray nuclei; energy; ultrahigh energy ... See more keywords
Observable features in ultrahigh energy neutrinos due to active-sterile secret interactions
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.102.083014
Abstract: We consider the effects of active-sterile secret neutrino interactions, mediated by a new pseudoscalar particle, on high- and ultra high-energy neutrino fluxes. In particular, we focus on the case of 3 active and 1 sterile… read more here.
Keywords: active sterile; secret interactions; sterile secret; neutrino ... See more keywords
Magnetic diffusion and interaction effects on ultrahigh energy cosmic rays: Protons and nuclei
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.063005
Abstract: The flux of ultrahigh energy cosmic rays reaching the Earth is affected by the interactions with the cosmic radiation backgrounds as well as with the magnetic fields that are present along their trajectories. We combine… read more here.
Keywords: magnetic fields; cosmic rays; energy cosmic; ultrahigh energy ... See more keywords
Revisiting ultrahigh-energy constraints on decaying superheavy dark matter
Sign Up to like & getrecommendations! Published in 2023 at "Physical Review D"
DOI: 10.1103/physrevd.107.103013
Abstract: We revisit constraints on decaying very heavy dark matter (VHDM) using the latest ultrahigh-energy cosmic-ray (UHECR; $E\gtrsim 10^{18}$ eV) data and ultrahigh-energy (UHE) $\gamma$-ray flux upper limits, measured by the Pierre Auger Observatory. We present… read more here.
Keywords: constraints decaying; revisiting ultrahigh; ultrahigh energy; dark matter ... See more keywords