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- Title
An Advanced Methodology for Crystal System Detection in Li-ion Batteries.
- Authors
Anđelić, Nikola; Baressi Šegota, Sandi
- Abstract
Detecting the crystal system of lithium-ion batteries is crucial for optimizing their performance and safety. Understanding the arrangement of atoms or ions within the battery's electrodes and electrolyte allows for improvements in energy density, cycling stability, and safety features. This knowledge also guides material design and fabrication techniques, driving advancements in battery technology for various applications. In this paper, a publicly available dataset was utilized to develop mathematical equations (MEs) using a genetic programming symbolic classifier (GPSC) to determine the type of crystal structure in Li-ion batteries with a high classification performance. The dataset consists of three different classes transformed into three binary classification datasets using a one-versus-rest approach. Since the target variable of each dataset variation is imbalanced, several oversampling techniques were employed to achieve balanced dataset variations. The GPSC was trained on these balanced dataset variations using a five-fold cross-validation (5FCV) process, and the optimal GPSC hyperparameter values were searched for using a random hyperparameter value search (RHVS) method. The goal was to find the optimal combination of GPSC hyperparameter values to achieve the highest classification performance. After obtaining MEs using the GPSC with the highest classification performance, they were combined and tested on initial binary classification dataset variations. Based on the conducted investigation, the ensemble of MEs could detect the crystal system of Li-ion batteries with a high classification accuracy (1.0).
- Subjects
LITHIUM-ion batteries; GENETIC programming; CRYSTALS; CRYSTAL structure; ENERGY density; LITHIUM cells; ELECTRIC batteries
- Publication
Electronics (2079-9292), 2024, Vol 13, Issue 12, p2278
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics13122278