期刊
JOURNAL OF POWER SOURCES
卷 425, 期 -, 页码 110-120出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2019.03.121
关键词
Energy storage; Hybrid asymmetric capacitor; Lithium ion capacitor; Theoretical simulations; Electrochemical model; Finite element model
资金
- Mondragon Unibertsitatea (MU), Mechanical and Industrial Manufacturing Department
Modelling and numerical simulations play a vital role in the design and optimization of electrochemical energy storage devices. In this study, a general physics-based model is developed to describe Hybrid Asymmetric Capacitors (HACs). A one-dimensional cell is constructed with one faradaic electrode, a separator and a capacitive electrode. The model is validated using a commercial Lithium Ion Capacitor (LIC). Galvanostatic charge and discharge processes are simulated with a maximum mean relative error of 7.8%. This suggest that this simple Ohmic model captures the key electrochemical phenomena occurring inside the LIC cell.
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