@article{osti_1582585, title = {Monitoring the State-of-Charge of a Vanadium Redox Flow Battery with the Acoustic Attenuation Coefficient: An In Operando Noninvasive Method}, author = {Zang, Xiaoqin and Yan, Litao and Yang, Yang and Pan, Huilin and Nie, Zimin and Jung, Ki Won and Deng, Zhiqun and Wang, Wei}, abstractNote …
@article{osti_1582585, title = {Monitoring the State-of-Charge of a Vanadium Redox Flow Battery with the Acoustic Attenuation Coefficient: An In Operando Noninvasive Method}, author = {Zang, Xiaoqin and Yan, Litao and Yang, Yang and Pan, Huilin and Nie, Zimin and Jung, Ki Won and Deng, Zhiqun and Wang, Wei}, abstractNote …
Federal Reference Method (FRM) based on gravimetric measurement and Federal Equivalent Method (FEM) based on the beta attenuation and tapered element oscillating microbalance method for PM measurement are included in NAAQS of different countries (e.g., EN 12341 2014; US EPA 2017; Aggarwal et al. 2013). Apart from these, …
Abstract Redox flow battery technology has been increasingly recognized as a promising option for large-scale grid energy storage. Access to high-fidelity information on the health status of the el...
The modeling method of lithium battery aging and SOH prediction method are described. ... resulting in that the capacity of the low-attenuation or non-attenuation battery cannot be effectively ... Research on data-driven residual life prediction method of lithium-ion battery [D]. Hebei University of Technology, 2022. DOI: …
The most common method of noise reduction is the use of passive (reactive, dissipative, and hybrid) silencers. To better understand the different types of passive silencers and select the most suitable silencer for specific noise reduction requirements, the branching classification tree of Figure 2 can be used. It should be noted …
The initial capacities of the batteries were calibrated at room temperature (25 °C) and at low temperature (−20 °C), and their initial capacities are shown in Table 2.After the introduction of the constant voltage discharge link, the capacity of the new battery at room temperature is significantly higher than the rated capacity of 5000 mAh, …
Lee et al. [26] investigated the effect of graphene oxide (GO) impregnation on sound absorption properties of PU foam with different densities. The GO impregnation methodology is shown in Fig. 2 a. PU foam impregnated with high GO loadings enabled the sound wave to propagate along a more tortuous path as depicted in Fig. 2 c, leading to …
Generally, vibration control schemes based on piezoelectric elements can be classified into two categories: the first category is the piezoelectric shunt damping technology based on the principle of the energy dissipation mechanism and the second category is the active vibration control method, directly suppresses vibrations. 6 …
Fig. 2 shows the ultrasonic signals collected on the battery using the four pairs of transducers when the battery was not in charge/discharge. Both the signals from L-1 MHz and L-2.25 MHz had a clear first arrival echo and second reflected echo. The wave attenuation can be calculated by using these two echoes.
Comparison of a particle filter and other state estimation methods for prognostics of lithium-ion batteries[J] Journal of Power Sources. Go to reference in article Crossref Google Scholar [7] Ziguo Lei, Chenning Zhang and Junqiu Li 2014 Research on thermal characteristics of EVs lithium-ion battery[J] Journal of Power Supply 12 83-87 …
For example, battery low temperature protection, battery thermal management system, battery charging and discharging, etc. Here I also want to focus on the charging and discharging of the battery. If the battery is exhausted or fully charged every time it is used, the loss of the battery is the largest and the battery decays the …
Redox flow battery technology has received much attention as a unique approach for possible use in grid-scale energy storage. The all-vanadium redox flow battery is currently one of the most ...
Other methods for measuring wave attenuation include time-of-flight measurements, interferometry, diffraction, and tomography, depending on the application and the required resolution. Example Applications of Wave Attenuation Technology. Wave attenuation technology has numerous applications in various fields, some of which are:
According to Table 1, there are many algorithms have been realized for the SOH estimation of LIBs, but most of them focus on mathematical processes, including argumentation, big data analysis, and machine-learning methods, with little discussion on the accurate analysis and modeling of the degradation mechanism of LIBs previous …
The mechanism revelation of performance decrease and fast-charging limitation of lithium-ion batteries at low temperatures is indispensable to optimize battery design and …
Thermal energy storage
Acoustic sampling methods are becoming increasingly important in biological monitoring. Sound attenuation is one of the most important dynamics affecting the utility of acoustic data as it directly affects the probability of detection of individuals by acoustic sensor arrays and especially the localization of acoustic signals necessary in …
The power battery is an important component of new energy vehicles, and thermal safety is the key issue in its development. During charging and discharging, how to enhance the rapid and uniform heat dissipation of power batteries has become a hotspot. This paper briefly introduces the heat generation mechanism and models, and …
LIBs operating at low temperatures are prone to rapid lithium plating, leading to a significant decrease in capacity. Compared with non-low temperature …
@article{Zang2019MonitoringTS, title={Monitoring the State‐of‐Charge of a Vanadium Redox Flow Battery with the Acoustic Attenuation Coefficient: An In Operando Noninvasive Method}, author={Xiaoqin Zang and Litao Yan and Yang Yang and Huilin Pan and Zimin Nie and Ki Won Jung and Zhiqun Daniel Deng and Wei Wang}, journal={Small …
So far, many efforts have been devoted to exploit conventional carbonate-based electrolytes (low-melting point cyclic …
Key words: state-of-charge, vanadium redox flow battery, acoustic measurement, acoustic attenuation, sound speed Abstract Redox flow battery technology has been increasingly recognized as a promising option for large-scale grid energy storage. Access to high-fidelity information on the health status of the
Abstract: Lithium-ion batteries have broad application prospects, but the current methods for predicting the attenuation of lithium-ion batteries generally cannot meet the needs of actual use. This article uses multiple kernel function rlevance vector machines to predict the attenuation of lithium batteries, and is based on BAS The method selects the …
In this article, we explore the methods used to detect and analyze lithium in lithium-ion batteries, shedding light on capacity attenuation and cell aging. Small Current Discharge Method
Xu et al. proposed a battery low-temperature hybrid heating method in order to fully utilize the heat generated by the battery and the heating circuit. The battery …
Resolvers are normally employed for rotor positioning in motors for electric vehicles, but resolvers are expensive and vulnerable to vibrations. Hall sensors have the advantages of low cost and high reliability, but the positioning accuracy is low. Motors with Hall sensors are typically controlled by six-step commutation algorithm, which brings high …
To enhance the utilization of renewable energy and the economic efficiency of energy system''s planning and operation, this study proposes a hybrid optimization configuration method for battery/pumped hydro energy storage considering battery-lifespan attenuation in the regionally integrated energy system (RIES).