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Modelització del soroll de bateries de liti

Authors: Bernal Aguilar, Alejandro;

Modelització del soroll de bateries de liti

Abstract

Aquesta tesi examina la relació entre el soroll de la bateria, la temperatura, l'estat de càrrega (SoC) i l'estat de salut (SoH) a les bateries de ions de liti. L'objectiu és descobrir sobre les característiques del soroll de les bateries i la seva rellevància en el rendiment i la gestió d'aquestes. S’ha realitzat assajos experimentals i s’ha analitzat les mesures de les dades de soroll, temperatura i SoC de les bateries. L'estudi proporciona informació rellevant sobre el comportament del soroll durant les diverses etapes del cicle. L'anàlisi revela diferències en els nivells de soroll entre les fases de càrrega i descàrrega. La temperatura i el SoC es reconeixen com a factors determinants que influeixen en els nivells de soroll. A més, l’estudi explora la relació entre el soroll de la bateria i el seu estat de salut. Els resultats suggereixen que les característiques del soroll varien al llarg dels cicles, cosa que indica el potencial de l'anàlisi del soroll com a indicador de l'estat de salut de la bateria. Es recomana continuar investigant altres factors que influeixen en el soroll de les bateries i estudiar-ne els efectes a llarg termini del soroll en el rendiment i la fiabilitat de les bateries.

Esta tesis examina la relación entre el ruido de la batería, la temperatura, el estado de carga (SoC) y el estado de salud (SoH) de las baterías de iones de litio. El objetivo es comprender las características del ruido de las baterías y su relevancia en el rendimiento y la gestión de estas. Se realizaron ensayos experimentales y se analizaron los datos de medición del ruido, la temperatura y el SoC de las baterías. El estudio proporciona información relevante sobre el comportamiento del ruido a lo largo de las distintas fases del ciclo. El análisis revela diferencias en los niveles de ruido entre las fases de carga y descarga. La temperatura y el SoC se identifican como factores determinantes que influyen en los niveles de ruido. Además, el estudio explora la relación entre el ruido de la batería y su estado de salud. Los resultados sugieren que las características del ruido varían a lo largo de los ciclos, lo que indica el potencial del análisis del ruido como un indicador del estado de salud de la batería. Se recomienda continuar investigando otros factores que influyen en el ruido de las baterías y estudiar los efectos a largo plazo del ruido en el rendimiento y la fiabilidad de las baterías.

This thesis examines the relationship between battery noise, temperature, state of charge (SoC), and state of health (SoH) in lithium-ion batteries. The aim is to understand the characteristics of battery noise and its relevance to the performance and management of these batteries. Experimental tests were conducted, and data from noise, temperature, and SoC measurements were analysed. The study provides valuable information about the behaviour of noise throughout the different phases of the cycle. The analysis reveals differences in noise levels between the charging and discharging phases. Temperature and SoC are identified as key factors influencing noise levels. Additionally, the study explores the relationship between battery noise and its state of health. The results suggest that the characteristics of noise vary throughout the cycles, indicating the potential of noise analysis as an indicator of battery health. It is recommended to continue investigating other factors that influence battery noise and to study the long-term effects of noise on battery performance and reliability.

Country
Spain
Keywords

Lithium ion batteries, soroll, Entropy, soroll tèrmic, Entropia, Bateries d'ió liti, Soroll, bateries de liti, entropia, Noise, Àrees temàtiques de la UPC::Enginyeria electrònica

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green