Results 11 to 20 of about 21,303 (291)

Nanostructuring one-dimensional and amorphous lithium peroxide for high round-trip efficiency in lithium-oxygen batteries [PDF]

open access: yesNature Communications, 2018
While lithium-oxygen batteries offer a green method to power vehicles, the sluggish decomposition of lithium peroxide limits device performance. Here, the authors direct lithium peroxide formation into amorphous nanostructures to enable its facile ...
Arghya Dutta   +6 more
doaj   +6 more sources

Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency

open access: yesApplied Energy, 2023
Among the known energy storage technologies aiming to increase the efficiency and stability of power grids, Pumped Heat Energy Storage (PHES) is considered by many as a promising candidate because of its flexibility, potential for scale-up and low cost ...
Muhammad Tahir Ameen   +2 more
exaly   +5 more sources

Increasing round trip efficiency of hybrid Li–air battery with bifunctional catalysts

open access: yesElectrochimica Acta, 2013
Previously it was shown that Pt as cathode catalyst has a large overpotential during charge in rechargeable hybrid Li-air battery with sulfuric acid catholyte.
Kan Huang, Yunfeng Li, Yangchuan Xing
exaly   +4 more sources

Parametric Optimization of RBC-PTES System: Impact on Round-Trip Efficiency and LCOS

open access: yesEnergies
This study presents a comprehensive thermo-economic evaluation of a pumped thermal energy storage (PTES) system based on a supercritical carbon dioxide (s-CO2) recompression Brayton cycle (RBC). A multiparametric analysis was conducted through systematic
Paul Tafur-Escanta   +5 more
doaj   +4 more sources

Round-Trip Energy Efficiency and Energy-Efficiency Fade Estimation for Battery Passport

open access: yes2023 IEEE Vehicle Power and Propulsion Conference (VPPC), 2023
The battery passport is proposed as a method to make the use and remaining value of batteries more transparent. The future EU Battery Directive requests this passport to contain the round-trip energy efficiency and its fade.
Beckers, Camiel J.J.; id_orcid   +6 more
core   +4 more sources

A distributed differential game approach to trajectory planning for offshore wind farm inspection. [PDF]

open access: yesPLoS ONE
To address the complex challenges associated with multiple unmanned aerial vehicles (multi-UAVs) cooperative inspection in offshore wind farms, including limited sensing and communication ranges, constrained battery capacity, and round-trip mission ...
Yunqi Liao   +4 more
doaj   +2 more sources

On the Round-Trip Efficiency of an HVAC-Based Virtual Battery

open access: yesIEEE Transactions on Smart Grid, 2020
Added a new simulation case ...
Naren Srivaths Raman, Prabir Barooah
exaly   +3 more sources

Modeling of heat leak effect in round trip efficiency for Brayton pumped heat energy storage with liquid media, by cooling and heating of the reservoirs tanks [PDF]

open access: yesJournal of Energy Storage, 2022
For a pumped heat energy storage technology with commercial solar salt and a cold fluid such as methanol, the performance in long times of the Brayton like model associated to the losses of the four tanks (two high temperature units and two low ...
D Salomone-González, P L Curto-Risso
exaly   +2 more sources

Discovering Relationships between Factors of Round-trip Car Sharing by Using Association Rules Approach

open access: yesProcedia Engineering, 2016
To maximize private vehicle usage efficiency and alleviate urban congestion, many studies and actual field operations on vehicle sharing have been done since the mid ‘90s.
Luca Quadrifoglio, Italo Meloni
exaly   +3 more sources

Theoretical evaluation of round-trip efficiency of solid gravity energy storage systems

open access: yesJournal of Intelligent Construction
Solid gravity energy storage (SGES) is a method of energy storage technology that combines the prospects of operation safety, cost-effectiveness, and adaptive application.
Zhiyan Lin   +4 more
doaj   +2 more sources

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