Cyclic aging refers to the phenomenon that the performance of batteries gradually degrades during repeated charge and discharge (i.e. multiple cycles). As the battery goes through more and more cycles, its capacity, voltage stability and energy efficiency will decrease. This process
Follow
Mechanical damage to electrode material structure
The electrolyte decomposition produces side reactions;
The SEI film (solid electrolyte interface) breaks and rebuilds repeatedly;
Lithium deposition or loss of active lithium.
