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ORIGINAL RESEARCH article
Front. Energy Res.
Sec. Energy Storage
Volume 13 - 2025 |
doi: 10.3389/fenrg.2025.1528691
Experimental Investigation of Grid Storage Modes Effect on Aging of LiFePO4 Battery Modules
Provisionally accepted- Hangzhou Gold Electronic Equipment Inc., Hangzhou, China
To investigate the degradation behavior of energy storage batteries during grid services, we conducted a cyclic aging test on LiFePO4 battery modules. Incorporating variables such as grid duty, temperature and depth of discharge, we analyzed the capacity degradation and operational patterns in different gridstorage interaction modes by examining aspects of capacity retention, discharge quantity, incremental capacity, and differential voltage. Our findings indicate that battery degradation is higher during peak shaving compared to frequency regulation. Heat and deep charging and discharging modes accelerates battery aging. The primary source of performance degradation in LiFePO4 batteries is Li loss.
Keywords: Li-ion batteries, Battery energy storage system, GRID, Aging, Frequency regulation, peak shaving
Received: 15 Nov 2024; Accepted: 27 Jan 2025.
Copyright: © 2025 Xu, Li, Hua and Wang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Hao Wang, Hangzhou Gold Electronic Equipment Inc., Hangzhou, China
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.