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Battery aging impedance spectroscopy and incremental capacity analysis

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hdl:2117/116956

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Ovejas Benedicto, Victòria JúliaMés informacióMés informacióMés informació
Cuadras Tomàs, ÀngelMés informacióMés informacióMés informació
Document typeConference report
Defense date2017
PublisherZAHNER-elektrik GmbH & Co. KG
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
We analize electrochemical LiFePO4 cells with impedance spectroscopy and incremental capacity analysis in order to establish a correlation with capacity fade. We found that polarization and diffusion impeances increased with aging, but at different rates depending on the aging stage. This aging stage dependence was also found in ICA analyzes, where the lithium intercalation was investigated. A correlation with capacity decrease measured with Coulomb counting was established.
CitationOvejas, V.J., Cuadras, A. Battery aging impedance spectroscopy and incremental capacity analysis. A: International Workshop on Impedance Spectroscopy. "10th International Workshop on Impedance Spectroscopy (IWIS): Chair of Measurement and Sensor Technology : September 26-29, 2017". ZAHNER-elektrik GmbH & Co. KG, 2017, p. 1-2. 
URIhttp://hdl.handle.net/2117/116956
Publisher versionhttps://www.tu-chemnitz.de/etit/messtech/iwis/
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  • EPIC - Energy Processing and Integrated Circuits - Ponències/Comunicacions de congressos [391]
  • Departament d'Enginyeria Electrònica - Ponències/Comunicacions de congressos [1.819]
  • GRUP ISI - Grup d'Instrumentació, sensors i interfícies - Ponències/Comunicacions de congressos [70]
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