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@ARTICLE{Wang:1024923,
author = {Wang, Qiao and Ye, Min and Cai, Xue and Sauer, Dirk Uwe and
Li, Weihan},
title = {{T}ransferable data-driven capacity estimation for
lithium-ion batteries with deep learning: {A} case study
from laboratory to field applications},
journal = {Applied energy},
volume = {350},
issn = {0306-2619},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2024-02573},
pages = {121747 -},
year = {2023},
abstract = {Capacity estimation plays a vital role in ensuring the
health and safety management of lithium-ion battery-based
electric-drive systems. This research focuses on developing
a transferable data-driven framework for accurately
estimating the capacity of lithium-ion batteries with the
same chemistry but different capacities in field
applications. The proposed approach leverages universal
information from a laboratory dataset and utilizes a
pre-trained network designed for small-capacity batteries
with constant-current discharging profiles. By applying this
framework, capacity estimation for large-capacity batteries
under drive cycles can be efficiently achieved with improved
performance. In addition, the incremental capacity analysis
is employed on two datasets, selecting a robust voltage
interval for health indicator extraction with physical
interpretations and uncertainty awareness of different fast
charging protocols. The feature extraction and dimension
increase processes are automated, utilizing the last short
charging sequences in wide voltage intervals while
considering the uncertainty related to various user charging
habits. Results demonstrate that the proposed strategy
significantly enhances both robustness and accuracy. When
compared to conventional methods, the proposed method
exhibits an average root mean square error improvement of
$68.40\%$ and $65.89\%$ in the best and worst cases,
respectively. The robustness of the proposed strategy is
further verified through 30 randomized health indicator
verifications. This research showcases the potential of
transferable deep learning in improving capacity estimation
by leveraging universal information for field applications.
The findings emphasize the importance of sharing knowledge
across different capacities of lithium-ion batteries,
enabling more effective and accurate capacity estimation
techniques.},
cin = {IEK-12},
ddc = {620},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1223 - Batteries in Application (POF4-122) / BMBF 03XP0334
- Model2Life- Modellbasierte Systemauslegung für
2nd-Life-Nutzungsszenarien von mobilen Batteriesystemen
(03XP0334)},
pid = {G:(DE-HGF)POF4-1223 / G:(BMBF)03XP0334},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001061927700001},
doi = {10.1016/j.apenergy.2023.121747},
url = {https://juser.fz-juelich.de/record/1024923},
}