Results 1 to 10 of about 1,071,566 (198)

Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition [PDF]

open access: yesJournal of the Serbian Chemical Society, 2013
In this work the effect of aging of the electrolyte for electrodeposition of Ni-MoO2 composite coatings on their morphology (scanning electron microscopy), chemical composition (energy-dispersive X-ray spectroscopy), polarization characteristics and ...
Jović Vladimir D.   +4 more
doaj   +5 more sources

Modification of Cycle Life Model for Normal Aging Trajectory Prediction of Lithium-Ion Batteries at Different Temperatures and Discharge Current Rates

open access: yesWorld Electric Vehicle Journal, 2022
Battery life is of critical importance for the reliable and economical operation of electric vehicles (EVs). Normal aging accounts for more than 80% of the battery available cycle range.
Xinyu Jia   +4 more
doaj   +1 more source

Research on the Gate Oxide Layer Aging Trend of Power Electronic Device

open access: yesIEEE Access, 2021
The introduction of fully electric vehicles (FEVs) into the mainstream has raised concerns about the reliability of their electronic components such as Insulated Gate Bipolar Translator (IGBT).
Guoqing Xu   +4 more
doaj   +1 more source

Research Progress on Aging Resistance and Service Life Evaluation of Epoxy Resin Protective Repair Materials in Hydraulic Environment [PDF]

open access: yesCailiao Baohu, 2023
Epoxy resin is widely used in the surface protection and repair of hydraulic structures in water conservancy and hydropower engineering projects.However, with the extension of service time, the problem of aging failure of epoxy resin protective and ...
JIANG Lu, FENG Jing, XIONG Zebin, WANG Jinkai, WANG Yuanyi
doaj   +1 more source

Study on Lifetime Decline Prediction of Lithium-Ion Capacitors

open access: yesEnergies, 2023
With their high-energy density, high-power density, long life, and low self-discharge, lithium-ion capacitors are a novel form of electrochemical energy storage devices which are extensively utilized in electric vehicles, energy storage systems, and ...
Shuhui Cui, Saleem Riaz, Kai Wang
doaj   +1 more source

Research on Cable Insulation Aging Under Acid-base Environment [PDF]

open access: yesE3S Web of Conferences, 2021
In order to further study the effect of different degree of acidity and alkalinity on cable insulation aging, the aging condition of cable insulation was compared and analyzed under different pH values.
Guo Jin Ming, Wang Fei Feng
doaj   +1 more source

Molecular degradation mechanism of segmented polyurethane and life prediction through accelerated aging test

open access: yesPolymer Testing, 2023
Polyurethane (PU) has numerous applications in daily life, such as coating, cushions, and insulation materials. It is also used as an encapsulation material for sensors.
Sangjun Hong   +9 more
doaj   +1 more source

Laboratory Investigation on Pavement Performance of Basalt Fiber-Reinforced Asphalt Mixture Under the Coupling Effect of Freeze-Thaw Cycles and Aging

open access: yesFrontiers in Materials, 2022
Due to the significant temperature difference and high solar radiation in high-altitude areas, the asphalt pavement has been in freeze-thaw cycles and radiation service conditions for a long time, resulting in a shorter service life.
Rongwei Liang, Wei Yu, Zengjie Luo
doaj   +1 more source

Identification of mechanism consistency for LFP/C batteries during accelerated aging tests based on statistical distributions

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
This study establishes a novel approach to investigate if accelerated aging tests can accurately model realistic cell aging in a short time while also maintaining the consistency of the involved aging mechanisms.
Wendi Guo   +4 more
doaj   +1 more source

"Life prediction model of viscoelastic damping silicon rubber under hot air aging"

open access: yesHecheng xiangjiao gongye, 2022
The effect of aging time on storage modulus, loss modulus and loss factor of viscoelastic damping silicone rubber were studied with retention rate of compression permanent deformation as the research object of life analysis under common wor-king ...
ZHAO Miao-miao1,2, DUAN Yu-xing1,2, LI Zhong1,2, YANG Li1,2
doaj   +1 more source

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