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Experimental data of lithium-ion batteries under galvanostatic discharge tests at different rates and temperatures of operation

机译:不同速率和操作温度下的锂离子电池下锂离子电池的实验数据

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摘要

In this paper, we report data from lithium battery cells from: Panasonic NCR-18650B (3350 mAh), LG Chem INR21700-M50 (4850 mAh) and A123 Systems ANR26650m1-B (2500 mAh). They own the same anode composition, graphite-based, and different cathode chemistry: lithium-nickel-cobalt aluminum-oxide (NCA), lithium-nickel-manganese-cobalt-oxide (NMC) and lithium-iron-phosphate (LFP), respectively. In this study, six cell samples were tested for each chemistry. The experiments consist in fully discharging the cells from 100% state-of-charge until the cell cutoff discharge voltage. The discharge is performed under controlled temperature conditions, namely 5 °C, 25 °C and 35 °C, and subjecting the battery cells to galvanostatic discharge rates ranging from C/20 to 5C, for NCA and NMC, and from C/20 to 20C, for LFP chemistry. The IncuMax IC-500R thermal chamber provides the reference temperature to the cell. The input current profiles are configured via the MITS Pro-software, and transmitted through the TCP/IP connection to the Arbin measurement system and the Arbin LBT21024. Voltage, current and cell surface temperature are measured on each cell and for each experiment to characterize the cells in terms of discharge capacity, discharge efficiency, thermal robustness, specific energy and specific power. A comprehensive analysis of the data is found in [1].
机译:在本文中,我们从锂电池单元(3350mAh),LG Chem INR21700-M50(4850mAh)和A123系统(2500mAh)(2500mAh)的锂电池电池(3350mAh)报告数据。它们拥有相同的阳极组合物,基于石墨和不同的阴极化学:锂 - 镍 - 钴氧化铝(NCA),锂 - 镍 - 锰 - 钴 - 氧化物(NMC)和锂 - 铁 - 磷酸盐(LFP),分别。在这项研究中,对每个化学测试测试了六个细胞样品。实验在通过100%充电直到细胞截止放电电压之前完全排出细胞。放电在受控温度条件下进行,即5℃,25℃和35°C,并使电池单元经历从C / 20至5C的电池电池,用于NCA和NMC,以及C / 20至20C,用于LFP化学。 incumax IC-500R热室为电池提供参考温度。输入电流配置文件经由Mits Pro-软件配置,并通过与ARBIN测量系统和ARBIN LBT21024的TCP / IP连接传输。在每个电池上测量电压,电流和细胞表面温度,并为每个实验测量,以便在放电容量,放电效率,热稳健性,特定能量和特定功率方面表征细胞。在[1]中发现了对数据的全面分析。

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