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Moore's law predicts the performance of integrated circuit doubles every two years, lasting for more than five decades. However, the improvements of the performance of energy density in batteries lag far behind that. In addition, the poor flexibility, insufficient‐energy density, and complexity of incorporation into wearable electronics remain considerable challenges for current battery technology...
Flexible transparent conductors are an enabling component for large‐area flexible displays, wearable electronics, and implantable medical sensors that can wrap around and move with the body. However, conventional conductive materials decay quickly under tensile strain, posing a significant hurdle for functional flexible devices. Here, we show that high electrical conductivity, mechanical stretchability,...
Carbon nanotube metals in a polydimethylsiloxane composite exhibit distinct electromechanical responses under high tensile strain. In article number 1802625, YuHuang Wang and co‐workers demonstrate that long nanotubes efficiently bridge strain‐induced cracks in the composite, maintaining high conductivity even after 1000 stretch‐release cycles, while short nanotubes respond sensitively to shape changes,...
This work describes a flexible and stretchable battery pack configuration that exhibits highly stable performance under large deformation up to 100% biaxial stretching. Using stress‐enduring printable inks and serpentine interconnects, the new screen‐printing route offers an attractive solution for converting rigid battery units into a flexible, stretchable energy storage device. Coin‐cell lithium...
The popularization of personalized wearable devices has accelerated the development of flexible/stretchable supercapacitors (SCs) that possess remarkable features of miniaturization, high security, and easy integration to build an all‐in‐one integrated system, and realize the functions of comfortable, noninvasive and continuous health monitoring, motion records, and information acquisition, etc. This...
Supercapacitors (SCs) have shown great potential for mobile energy storage technology owing to their long‐term durability, electrochemical stability, structural simplicity, as well as exceptional power density without much compromise in the energy density and cycle life parameters. As a result, stretchable SC devices have been incorporated in a variety of emerging electronics applications ranging...
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