Energy storage plastic vs elastic
Elastic energy storage refers to the capacity of a material to store energy when it is deformed elastically and release it upon returning to its original shape.
Technically, the stored energy predicted by these approaches and models is the macroscopic equivalent of energy associated with defects generated during plastic deformation. Using these models, important information regarding the stored energy in plastic deformation can be obtained (Ghosh et al., 2017).
In the process of improving mechanical deformation, the flexibility concept can be applied to each individual part of an integrated energy storage device. Various flexible conduc-tive substrates have been used to replace traditional rigid sub-strates. By combining flexible separators, high-performance energy storage devices can be assembled.
(1) A 1 = E s 1 + Q 1. If we isothermally anneal the accumulated defects and return the system to the initial state with the initial dislocation density ρ 0 along the path 1→3, the energy stored by plastic deformation in state 3 will be zero while the residual plastic strain will be ε 1.
How-ever, obtaining high flexibility and retaining high capacity simul-taneously are still challenging for thick energy storage devices. The mechanical properties of flexible energy storage devices can be further improved with the contribution of deep mechanical analysis and novel design concepts in the future.
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