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001     1024897
005     20250203103503.0
024 7 _ |a 10.1016/j.xcrp.2023.101596
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024 7 _ |a 10.34734/FZJ-2024-02548
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024 7 _ |a WOS:001114813200001
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037 _ _ |a FZJ-2024-02548
082 _ _ |a 530
100 1 _ |a Steininger, Valentin
|0 0000-0002-6058-4058
|b 0
|e Corresponding author
245 _ _ |a Automated feature extraction to integrate field and laboratory data for aging diagnosis of automotive lithium-ion batteries
260 _ _ |a [New York, NY]
|c 2023
|b Elsevier
336 7 _ |a article
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336 7 _ |a ARTICLE
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336 7 _ |a Journal Article
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500 _ _ |a Unterstützt durch BMWK Grant ‘‘COBALT-P’’ (16BZF314C)
520 _ _ |a Battery aging diagnosis using field data readouts presents distinct challenges compared with using laboratory data. These challenges stem from the complexity of the data structure and potential inconsistencies in aging values obtained from variations in battery management system software versions. Consequently, the efficacy of a data-driven approach to identify pertinent aging features from field data becomes susceptible to these factors. In this work, we investigate different feature extraction methods and propose a framework designed to mitigate issues arising from compromised data quality. For this purpose, we leverage the benefits of precise laboratory aging data alongside authentic driving data acquired from a cohort exceeding 600,000 customers to improve the aging diagnosis of vehicle batteries. Moreover, we provide functional fitting of statistical data, addressing the challenges posed by incomplete data structures. We validate our methods by comparing them with state-of-the-art feature extraction techniques, yielding a 57% enhancement in aging estimation accuracy.
536 _ _ |a 1223 - Batteries in Application (POF4-122)
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700 1 _ |a Rumpf, Katharina
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700 1 _ |a Hüsson, Peter
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700 1 _ |a Li, Weihan
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700 1 _ |a Sauer, Dirk Uwe
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773 _ _ |a 10.1016/j.xcrp.2023.101596
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|t Cell reports / Physical science
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|y 2023
|x 2666-3864
856 4 _ |y OpenAccess
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