Capacity correction factor for Li-ion batteries: Influence of the discharge rate

被引：13
|
作者：
Armenta-Deu, Carlos [1 ]
Carriquiry, Juan Pedro [2 ]
Guzman, Sebastian [1 ]
机构：
[1] Univ Complutense Madrid, Fac Ciencias Fis, E-28040 Madrid, Spain
[2] Univ Republica, Fac Ingn, Montevideo, Uruguay
来源：
JOURNAL OF ENERGY STORAGE | 2019年 / 25卷
关键词：
Li-ion batteries; Capacity factor; Discharge rate; CHARGE; STATE; CHALLENGES; NANOWIRES;
D O I：
10.1016/j.est.2019.100839
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
An experimental analysis based on Li-ion discharge to evaluate the influence the discharge rate has on the battery capacity is presented. Measurements have been made on various capacity units at different discharge rates. As a result of the tests, a new mathematical model has been developed; this new model predicts the battery capacity for any discharge rate within excellent correlation to observed results. Measurements show the manufacturer value for the battery nominal capacity is currently deviated from its real value what forces to determine this real value before testing. The mathematical model presented can be used to determine realistic capacity expectations based on conditions that are shown to impact battery operation time and autonomy.
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收藏
页数：7
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