Abstract
This paper investigates the effect of anode particle radius and anode reaction rate constant on the capacity fading of lithium-ion batteries. It is observed through simulation results that capacity fade will be lower when the anode particle size is smaller. Simulation results also show that the reaction rate constant for the anode reaction has a good impact on the capacity loss of a lithium-ion battery. The potential drop across the SEI layer (solid electrolyte interphase) is studied as a function of the anode particle radius and anode reaction rate constant. Modelling results are compared with experimental data and found to compare well.
Highlights
Side reactions can cause various adverse effects leading to capacity fading in lithium-ion batteries
The aging of Li-ion batteries usually occurs due to various parameters and electrochemical reactions, and capacity loss varies between all stages during a charge-discharge load cycle, depending on various parameters such as cell voltage, electrolyte concentration, temperature, and cell current
Research on anode particle radius on capacity fading in lithium-ion batteries has been done previously
Summary
Side reactions can cause various adverse effects leading to capacity fading in lithium-ion batteries. Various models are studied at different temperatures and C-rates to study SEI layer formation and capacity fading of Li-ion batteries.
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