ultra-energy storage at room temperature

Realization of high energy density in an ultra-wide temperature range through engineering of ferroelectric sandwich structures …

The high energy storage performances can be realized through engineering of ferroelectric sandwich structures. • A giant energy storage density (W re) of ~130.1 J/cm 3 with efficiency (η) of ~73.8% at room temperature.Thin film dielectrics are the most selected materials for many power electronics owing to their inherent …

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Broad-high operating temperature range and enhanced energy …

This work demonstrates remarkable advances in the overall energy storage performance of lead-free bulk ceramics and inspires further attempts to achieve …

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Enhancing energy storage performances in an ultra-wide …

Benefiting from not only high-quality interface between HfO 2 and Si but also the heat dissipation effect of the graphene layer, an ultra-high energy storage …

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Low-temperature and high-rate-charging lithium metal batteries enabled by an electrochemically active monolayer-regulated interface

Rechargeable lithium-based batteries have become one of the most important energy storage devices 1,2.The batteries function reliably at room temperature but display dramatically reduced energy ...

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Enhanced room-temperature hydrogen storage by CuNi …

This study demonstrates the significant effect of incorporating inexpensive transition metal nanoparticles into metal-organic frameworks (MOFs) to improve their room-temperature hydrogen storage properties. Low-cost nanoparticles (Cu, Ni, and CuNi) were incorporated into UiO-66(Zr) via the double-solvent approach (DSA) plus chemical …

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A comprehensive review on sub-zero temperature cold thermal …

Summarizes a wide temperature range of Cold Thermal Energy Storage materials. •. Phase change material thermal properties deteriorate significantly with …

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Measurement and control solutions for nuclear and industrial …

Design and manufacture measurement and control solutions for nuclear, space, aerospace and industrial processes. Neutron, radiation, temperature and pressure monitoring. This website stores data such as cookies to give you the best possible experience and run ...

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Enhanced High‐Temperature Energy Storage Performance of …

The 0.25 vol% ITIC-polyimide/polyetherimide composite exhibits high-energy density and high discharge efficiency at 150 °C (2.9 J cm −3, 90%) and 180 °C …

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A room temperature low-threshold ultraviolet plasmonic nanolaser

Particularly, the bending-back effect of surface plasmon (SP) dispersion at high energy makes the SP lasing below 450 nm more challenging. Here we demonstrate the first strong room temperature ...

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Realization of high energy density in an ultra-wide temperature range through engineering of ferroelectric sandwich structures …

The high energy storage performances can be realized through engineering of ferroelectric sandwich structures. • A giant energy storage density (W re) of ~130.1 J/cm 3 with efficiency (η) of ~73.8% at room temperature. • Ultra-stable W re of 80.1 J/cm 3 to 77.8 J

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Synthesis of methane hydrate at ambient temperature …

The Solidified Natural Gas (SNG) technology is one emerging technique that promises safe, long-term NG storage under moderate pressure and temperature (P–T) conditions. Herein we investigate 1,3-dioxane …

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Ultra-high energy storage density and ultra-wide operating temperature range in Bi2Zn2…

Capacitor with high energy density, wide operating temperature range, large power density and environmental friendliness is strongly demanded in modern electrical and electronic devices. In this work, Bi 2 Zn 2/3 Nb 4/3 O 7 (BZN) thin film as a novel lead-free material with ultra-high energy storage density and ultra-wide …

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Enhancing electrical energy storage capability of dielectric polymer nanocomposites via the room temperature Coulomb blockade effect of ultra ...

Enhancing electrical energy storage capability of dielectric polymer nanocomposites via the room temperature Coulomb blockade effect of ultra-small platinum nanoparticles L. Wang, X. Huang, Y. Zhu and P. Jiang, Phys. Chem. Chem. Phys., 2018, 20, 5001 DOI: 10.1039/C7CP07990G

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Room-temperature liquid metal and alloy systems for energy storage …

TLDR. An unprecedented room-temperature liquid metal battery employing a sodium-potassium (Na-K) alloy anode and gallium (Ga)-based alloy cathodes is demonstrated, compared with lead- and mercury-based liquid metal electrodes, to reveal its important role in regulating charge carriers and stabilizing the redox chemistry.

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From Micropores to Ultra-micropores inside Hard Carbon: Toward Enhanced Capacity in Room-/Low-Temperature Sodium-Ion Storage …

Highlights Hard-carbon anode dominated with ultra-micropores (< 0.5 nm) was synthesized for sodium-ion batteries via a molten diffusion–carbonization method. The ultra-micropores dominated carbon anode displays an enhanced capacity, which originates from the extra sodium-ion storage sites of the designed ultra-micropores. The thick …

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Synthesis of methane hydrate at ambient temperature with ultra-rapid formation and high gas storage capacity

Ultra-rapid gas uptake rates and breakthrough (higher than acknowledged limit) methane storage capacity were achieved for mixed CH 4 /dioxane (5.56 mol%) sII hydrate formation at room temperature. Further, the sustained stability of a mixed CH 4 /dioxane hydrate pellet stored in a tightly sealed container under near atmospheric pressure and moderate …

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An efficient method for long-term room temperature storage of RNA

The degradation rate dependence in temperature fitted an Arrhenius model, with an activation energy of 28.5 kcal/mol and an extrapolated room temperature degradation rate of 3.2 10−13/nt/s (95% ...

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Achieving ultrahigh energy storage performance over a broad temperature …

A synergistic design strategy for a novel BNT-based dielectric material with remarkable energy storage characteristics, particularly high energy storage density and temperature stability across a wide temperature range, is proposed here. As demonstrated in Fig. 1, this includes simultaneous doping at the A- and B-sites, the introduction of …

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High-Temperature Flexible Nanocomposites with Ultra-High Energy Storage …

However, most dielectric polymers possess excellent energy storage properties at room temperature and cannot be used at high temperatures above 100 C. Polyimide dielectric nanocomposites prepared by in situ polymerization, which are composed of easily prepared MgO fillers, have different morphologies, such as …

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A novel hyperbranched polyurethane solid electrolyte for room …

After half-cell tests with multiple positive and negative active materials as cathode, the cells with HPU1.5-IL1.5 was able to achieve adaptation and stable cycling at room temperature, proving the promising application of hyperbranced PU-based …

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Enhancing energy storage performances in an ultra-wide temperature …

High-performance silicon-integrated dielectric thin film capacitors with superior thermal stability are strongly attractive for application in integrated circui Jing Jin, Chuansheng Ma, Guangliang Hu, Lu Lu, Zhongshuai Liang, Wanli Zhao, Yutong Liu, Chunrui Ma, Ming Liu; Enhancing energy storage performances in an ultra-wide …

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Enhancing electrical energy storage capability of dielectric polymer nanocomposites via the room temperature Coulomb blockade effect of ultra ...

Introducing a high dielectric constant (high-k) nanofiller into a dielectric polymer is the most common way to achieve flexible nanocomposites for electrostatic energy storage devices.

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Enhanced room-temperature hydrogen storage by CuNi …

At room temperature and 6 MPa hydrogen pressure, the sample reached adsorption saturation within 400 s, attaining a hydrogen storage capacity of 0.65 wt%. This adsorption capacity is slightly lower than the earlier mentioned hydrogen storage performance test result.

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A comprehensive review on sub-zero temperature cold thermal energy storage materials, technologies, and applications: State …

The energy industry needs to take action against climate change by improving efficiency and increasing the share of renewable sources in the energy mix. On top of that, refrigeration, air-conditioning, and heat pump equipment account for 25–30% of …

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Ultra Energy introduces high temperature neutron flux detector capable of operating at 800 Celsius | Ultra Energy

Ultra Energy has designed and manufactured a new neutron flux sensor capable of operating from room temperature up to 800 C with no change in its performance. The device is based on other Ultra sensors that have operated successfully at up to 550 o C for many decades in most of the UK''s existing nuclear fleet.

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High-Temperature Flexible Nanocomposites with Ultra-High …

However, most dielectric polymers possess excellent energy storage properties at room temperature and cannot be used at high temperatures above 100 …

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Ultra-lightweight compositionally complex alloys with large ambient-temperature hydrogen storage …

Therefore, designing low-density CCAs possessing large room-temperature hydrogen storage capacities is essential to foster the utilization of this class of alloys for hydrogen storage applications. Here we report on the development of a series of ultra-lightweight CCAs with high hydrogen storage capacity at ambient temperature.

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In-situ electronic modulation of ultra-high-capacity S-modified Cu/Cu2O electrodes for energy storage …

Herein, we report an effective and low time-consuming method by in-situ wet chemical reduction at room temperature to construct S-modified Cu/Cu 2 O negative electrode material. Moreover, the sulfur can occupy partial O sites in Cu 2 O to play a crucial role in the electronic structure of the material, demonstrated by DFT calculation, XRD, …

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A room-temperature antiferroelectric in hybrid perovskite enables highly efficient energy storage …

However, regarding intrinsic competitions between dipolar interaction and steric hindrance, it is a challenge to exploit room-temperature molecular AFEs with high energy storage efficiency. Here, we present a new 2D hybrid perovskite-type AFE, (i-BA) 2 (FA)Pb 2 Br 7 (1), which shows ultrahigh energy storage efficiencies at room temperature.

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Ultra-high energy storage performance in Bi5Mg0.5Ti3.5O15 film …

A temperature-induced NER to ER transition on the BMTO-500 film may result in high BEF and high dynamic PNRs and ultimately ultra-high energy storage …

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High-temperature polymer-based nanocomposites for high energy storage …

where U stored, E, D, E b, ε 0, ε r, η, U e and U loss are the stored energy density, electric field, electric displacement, breakdown strength, vacuum permittivity, dielectric constant, efficiency, discharged energy density and energy loss, respectively. Since ε r and E b are temperature-dependent properties, the dramatic increase in …

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Ultra-low temperature flexible supercapacitor based on hierarchically structured pristine polypyrrole membranes …

Remarkably, the PPy-N possesses an unprecedented flexibility not only at room temperature but also at ultra-low-temperature environments. The assembled supercapacitors demonstrated an outstanding flexibility and stability and powered a commercial portable electrical device at −50 ℃.

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Optimum design and key thermal property of NaCl–KCl–CaCl2 eutectic salt for ultra-high-temperature thermal energy storage …

NaCl–KCl–CaCl 2 eutectic salt was developed using the thermodynamic calculation and experimental validation for the ultra-high-temperature thermal storage. Substitutional solution model (SSM) was used to describe the liquid phase and solid solution phase, and stoichiometric compound was applied to depict the intermediate phase.

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High-density magnetoresistive random access memory operating at ultralow voltage at room temperature …

We show that the proposed device is capable of achieving ultralow writing energy (less than 0.16 fJ per bit), room temperature (or even wider range) operation and high storage density (up to 88 Gb ...

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Ultra-high energy storage density and ultra-wide operating temperature …

Capacitor with high energy density, wide operating temperature range, large power density and environmental friendliness is strongly demanded in modern electrical and electronic devices. In this work, Bi 2 Zn 2/3 Nb 4/3 O 7 (BZN) thin film as a novel lead-free material with ultra-high energy storage density and ultra-wide operating …

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High-Temperature Flexible Nanocomposites with Ultra-High Energy Storage …

However, most dielectric polymers possess excellent energy storage properties at room temperature and cannot be used at high temperatures above 100 C. Polyimide dielectric nanocomposites prepared by in situ polymerization, which are composed of easily prepared MgO fillers, have different morphologies, such as nanoparticles (0D), nanowires (1D), …

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