Are stretchable energy storage devices stretchable?
Furthermore, the stretchable energy storage system with high fracture energy can tolerate heavy loading strength and resist drastic deformation stimuli. Therefore, notch-insensitivity and fracture energy are necessary parameters to evaluate stretchability for stretchable energy storage devices.
Should stretchable energy storage devices be measured based on unperturbed materials?
Because the residual strain is a crucial factor leading to the final degradation of the mechanical and electrochemical properties of the stretchable energy storage device, more attention should be paid to it rather than only report the maximum stretchable strain. Most reported stretchable measurement criteria are based on unperturbed materials.
Can healing damage prolong the service life of flexible energy storage devices?
The healing process can not only repair the mechanical damage, but also restore the electrochemical performance. Many researchers have demonstrated that healing damage can prolong the service life of flexible energy storage devices.
How will Self-healing improve energy storage?
Thus, the introduction of self-healing capabilities will significantly enlarge the application field for flexible/stretchable energy storage devices, even extending the service life of both flexible/stretchable devices and traditional rigid batteries or supercapacitors, thereby reducing consumer electronic waste , , , , .
Can flexible/stretchable energy storage devices be used as power sources?
The development of integratable and wearable electronics has spurred the emergence of flexible/stretchable energy storage devices, which affords great potential for serving as power sources for practical wearable devices, such as e-skin, epidermal sensors, individualized health monitors and human–machine interfaces.
What happens if a hydrogel electrolyte is stretched repeatedly?
Generally, during repeated stretching, the inelastic part of the energy storage device that adheres to the surface of the elastic hydrogel electrolyte can lead to irreversible interfacial sliding with unavoidable residual strain.
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Especially under continuous flexing or stretching deformation, the energy storage devices will naturally degrade, damage or fail with a limited service life. Thus, some other
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