Comparison of Li-ion battery chemistries under grid duty cycles
نویسندگان
چکیده
Li-ion batteries are the most widely deployed battery energy storage system (BESS) today but understanding benefits and cost-effectiveness for a wide range of grid services needs to be fully validated further expand market. Hence, various chemistries currently must evaluated compared in terms performance, lifecycle, economics, safety under using standardized testing protocols. In this work, commercially available cylindrical cells with four different from major manufacturers subjected tests developed by U.S. Department Energy Office Electricity (DOE-OE) frequency regulation, peak shaving, electric vehicle drive cycles. The results 15 months continuous service on presented, analyzed, capacity retention, resistance, open-circuit voltage (OCV), cyclic voltammetry (CV), incremental (dQ/dV), differential (dV/dQ), AC impedance. • were services. Tests include LiFePO 4 degraded least LiNi 0.9 Co 0.1 O 2 most. Frequency regulation per discharge utilized. degradation mechanism is due Li loss.
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ژورنال
عنوان ژورنال: Journal of Power Sources
سال: 2022
ISSN: ['1873-2755', '0378-7753']
DOI: https://doi.org/10.1016/j.jpowsour.2022.231949